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Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Solid pseudopapillary neoplasm (SPN) is a well-circumscribed thick fibrotic pseudo capsule, composed of a variable combination of necrotic and solid cystic hemorrhagic areas that occur mainly in young women in the second and third decades of life. The etiology and pathogenesis of SPN are unknown, it is presumed to originate during early embryogenesis due to endocrine disorders, it also has nonspecific clinical presentations. Choice treatment is surgical resection, which is curative in most of the cases. There are key imaging findings that can help us suspect this pathology. Tomography is the more useful imaging study for the initial evaluation of these tumors. The main purpose is to highlight the most common radiological findings to make it easier to identify them and make an accurate diagnosis. [ABSTRACT FROM AUTHOR]

Com o aparecimento de microrganismos multirresistentes, a cicatrização de feridas infectadas tem sido tema de pesquisas constantes. Nesse contexto, diversas terapias alternativas têm sido empregadas. Entre essas, a bioterapia, apesar de antiga, ainda possui barreiras quanto ao seu amplo uso e carece de informações detalhadas, especialmente referente aos efeitos da espécie Lucilia cuprina. Objetivou-se, portanto, relatar pela primeira vez a terapia larval através do uso de larvas desta espécie, na cicatrização de lesão necrótica em gato doméstico, após o uso de um ectoparasiticida. Um felino, com extensa lesão necrosada facial, secreção piossanguinolenta e miíase por Cochliomyia hominivorax, foi tratado com larvas de L. cuprina, após uso de ectoparasiticida. O tratamento foi realizado em conjunto com outras terapias, onde observou-se que o paciente apresentou excelente recuperação e que a utilização das larvas de L. cuprina foi eficiente no auxílio à cicatrização da ferida. A terapia mostrou-se segura para uso em animais, preservando os tecidos saudáveis e, assim, contribui para a resolução de novos casos clínicos. Além disso, expande a lista de espécies de moscas que podem ser utilizadas na terapia larval no Brasil.

Objetivou-se, com o presente relato, descrever um caso de colite hiperplásica associada ao parasitismo por Strongyloides sp. em um gato macho de dois anos de idade, atendido na emergência apresentando tenesmo e prolapso retal. Foi realizada uma laparotomia exploratória em que foi possível observar nódulos transmurais no ceco e cólon, com diâmetro variando entre 2 e 4mm, de distribuição multifocal a coalescente, consistência firme e que, ao corte, continham sangue. Histologicamente, os nódulos eram áreas circulares compostas por projeções da mucosa intestinal para a submucosa, formadas por estruturas tubulares revestidas por uma camada de enterócitos volumosos monomórficos e raras células caliciformes. Larvas rabditoides, filarioides e adultos com morfologias compatíveis com nematoides do gênero Strongyloides foram observados no lume do epitélio hiperplásico, entre os túbulos e no limite dos nódulos, possivelmente constituindo a causa primária dessas alterações no animal.

Descreve-se um caso de meningioma fibroblástico de grau I em um cão da raça Poodle, fêmea, com 13 anos de idade. A paciente apresentou sinais clínicos de apatia, relutância em subir escadas e crise epilética tônico-clônica. Exame hematológico/bioquímico indicou anemia leve, acidose metabólica, hipoxemia, hiperglicemia e alteração em alanina aminotransferase (ALT) e colesterol. A ressonância magnética revelou um notável realce homogêneo pós-contraste em uma região extra-axial localizada na área fronto-parietal do cérebro, medindo 1,95cm no eixo ventrodorsal, 2,12cm no sentido craniocaudal e 1,54cm no sentido lateral. A paciente foi submetida a uma craniotomia para a remoção do fragmento neoplásico, seguida de uma cranioplastia. A análise histopatológica confirmou a natureza benigna do tumor, caracterizado microscopicamente por células neoplásicas alongadas e fusiformes, organizadas em feixes com presença de matriz colagenosa significativa, apresentando duas mitoses por campo de maior aumento. Após a remoção do tumor, devido à complexidade da intervenção cirúrgica, o paciente enfrentou complicações severas que levaram a um prognóstico desfavorável, evoluindo a óbito. Em resumo, o diagnóstico e tratamento de neoplasias encefálicas em cães exigem uma abordagem multidisciplinar, destacando a importância da pesquisa contínua para aprimorar as opções terapêuticas disponíveis para pacientes caninos com tumores cerebrais.

In this case report, we aimed to share the clinical and histopathological examination and treatment process of a 6-month-old hybrid cat brought with the complaint of swelling in the medial part of the right auricle. In clinical examination, it was determined that the mass had a hard and irregular surface structure. As a result of the clinical examination, it was decided to completely extirpate the mass and send it to the pathology department. The mass was widely separated from the surrounding tissues and extirpated with the help of cautery. Microscopic examination of the mass revealed that there were chondrocytes among the dense bone cell accumulations and that they formed islands in some areas. As a result of histopathological examinations, it was determined that the suspicious mass was osteochondroma. During the postoperative examinations, it was determined that there was no recurrence or complication in the patient. As a result, it was concluded that this presentation will contribute to the literature since osteochondroma masses are rare in the ear region. [ABSTRACT FROM AUTHOR]

Copyright of Revista Cientifica de la Facultade de Veterinaria is the property of Universidad del Zulia, Facultad de Ciencias Veterinarias and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Veterinaria Brasilica is the property of Acta Veterinaria Brasilica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Se realizó un estudio retrospectivo donde se evaluaron los análisis histopatológicos realizados a neoplasias de pacientes felinos y caninos en una clínica Veterinaria de la ciudad de Bogotá (Colombia) durante los años 2014 – 2023. Las muestras fueron obtenidas por biopsia incisional, biopsia excisional y biopsia por aspiración con aguja fina y fueron analizadas por medio de diagnóstico morfohistopatológico con tinciones de Hematoxilina y Eosina. Fueron analizadas 717 histopatologías entre perros y gatos, donde algunos individuos tenían dos o más tipos de neoplasias. Las neoplasias malignas tuvieron una casuística mayor comparado con las neoplasias benignas (60.67% y 39.33% respectivamente), se observó también que las neoplasias en piel son las más frecuentes (83.82%) seguidas de las neoplasias gastrointestinales (4.88%) y en bazo (4.88%). Las neoplasias en piel representaron una malignidad del 55.74% siendo un factor determinante entre los individuos la edad de 5 a 10 años. Este estudio permitió definir de una manera objetiva la frecuencia de presentación de casos neoplásicos en una clinica veterinaria de la ciudad de Bogotá. Sin embargo, son necesarios más estudios estandarizados y descentralizado para obtener la prevalencia actual de la ciudad.

O objetivo deste estudo foi avaliar a virulência e a resposta imune em frangos de corte vacinados com o sorotipo Massachusetts H120 e variante BR através da análise sorológica, histomorfométrica e histopatológica da mucosa traqueal. O experimento utilizou 162 pintos de um dia, alojados em blocos aleatórios em dois recintos com temperatura e luz controladas. Os sorotipos Massachusetts e variante BR da bronquite, ambos foram administrados pela via ocular e spray. Para análise da resposta humoral foi utilizado o teste ELISA, as coletas de sangue foram realizadas aos quatro, sete, 14, 21 e 28 dias de idade e um perfil de resposta imune foi criado para cada grupo vacinal de acordo com a via de administração baseado na média geométrica de titulação (GMT). Fragmentos de traqueia foram coletados aos quatro, sete e 14 dias de idade e processados de acordo com o protocolo histológico de rotina. As mensurações histomorfométricas foram submetidas ao teste ANOVA com teste post hoc de Tukey (p < 0.05). Os GMTs obtidos com o sorotipo H120 e BR com diferentes vias de administração foram semelhantes em termos de resposta humoral. Foram encontradas diferenças histomorfométricas significantes (p < 0.05) entre os sorotipos e as vias de administração da vacina. O grupo H120 teve maiores escores de lesão comparados ao grupo BR em todas as idades analisadas. Os achados demonstram que a variante BR tem menor reação pós vacinal e melhor proteção homóloga com o desafio enfrentado nas atividades avícolas no Brasil.

Se realizó un estudio retrospectivo donde se evaluaron que los análisis histopatológicos realizados a neoplasias de pacientes felinos y caninos en una clínica Veterinaria de la ciudad de Bogotá (Colombia) en el periodo transcurrido entre los años 2014 – 2023, las muestras fueron obtenidas por biopsia incisional, biopsia excisional y biopsia por aspiración con aguja fina y fueron analizadas por medio de diagnóstico morfohistopatologico con tinciones de Hematoxilina y Eosina. Fueron analizadas 717 histopatologías entre perros y gatos, en donde algunos individuos tenían dos o más tipos de neoplasias. Las neoplasias malignas tuvieron una casuística mayor comparado con las neoplasias benignas (60.67% y 39.33% respectivamente), se observó también que las neoplasias en piel son las más frecuentes (83.82%) seguidas de las neoplasias gastrointestinales (4.88%) y en bazo (4.88%). Las neoplasias en piel representaron una malignidad del 55.74% siendo un factor determinante entre los individuos la edad de 5 a 10 años. Este estudio permitió definir de una manera objetiva la frecuencia de presentación de casos neoplásicos en la ciudad de Bogotá, sin embargo, son necesarios más estudios estandarizados y descentralizado para obtener la prevalencia real de la ciudad.

Objective: To report anatomopathological results of the prophylactic appendectomies in the Hospital Clínico de la Fuerza Aérea de Chile (FACh) and to compare them with existing studies. Material and Method: Descriptive, retrospective analysis of patients that underwent prophylactic appendectomies between 2013 and 2017 in the Hospital FACh and their anatomopathological results, according to clinical registries and pathology reports. Results: A total of 200 samples obtained from patients that underwent appendectomy were rescued. 80% resulted with no pathological findings, 13,5% had fibrous obliteration, and 2,5% showed acute appendicitis in different stages. Malignancy was found in 0,5% of the samples. Discussion: The percentage of non-pathological appendices correlates with the results reported in the literature. On the other hand, malignancy is present in all the reviewed reports, with a variable low relative rate. There is a debate on whether all appendixes should be studied. Conclusion: There are no studies like this one, however, our results are comparable to the reports of incidental appendectomies. Histopathological analysis seems to be essential due to the risk of prevalence of malignancy [ABSTRACT FROM AUTHOR]

Evaluar el potencial predictivo del valor máximo de captación estandarizada (SUVmáx) de los tumores intraprostáticos obtenidos en la PET/TC preoperatoria con [68Ga]Ga-PSMA-I&T (SUVT), así como sus relaciones con el SUVmáx en el hígado (SUVTLR) y la glándula parótida (SUVTPR) con respecto a los hallazgos histopatológicos. Se evaluaron los datos de pacientes sometidos a prostatectomía radical (PR) por cáncer de próstata (CaP) en nuestra clínica entre los años 2017-2020. Se excluyeron aquellos pacientes con una neoplasia maligna secundaria, antecedentes de resección transuretral de próstata, tratamiento previo para CaP o que fueron sometidos a una PR de rescate. Dos especialistas en medicina nuclear con más de una década de experiencia cada uno revisaron las imágenes del estudio de cuerpo completo obtenidas con el mismo equipo, según protocolo, para obtener el consenso en cada lesión. Se estudiaron las relaciones entre edad, antígeno específico de la próstata (PSA), volumen de la próstata, estadio clínico, el grado de la clasificación de la Sociedad Internacional de Anatomía Patología Urológica (ISUP, por sus siglas en inglés) en la biopsia, el grupo de riesgo de D'amico, el volumen tumoral intraprostático identificado en la revisión histopatológica final de la muestra (HPTV) y el grado HP-ISUP. Se analizó la invasión de vesículas seminales (SVI), la invasión extracapsular (ECI), el margen quirúrgico positivo (PSM), SUVT, SUVTLR y SUVTPR. La edad media de los 64 pacientes incluidos fue de 64,1 ± 5,3 años. Se observó una correlación estadísticamente significativa entre los valores de SUVT, SUVTLR, SUVTPR y los parámetros del estadio histopatológico, como el grado ISUP de la biopsia, la clasificación de riesgo D'amico, HP-ISUP, HPTV (p < 0,05). PSMATV, SUVT y SUVTLR fueron predictores estadísticamente significativos de invasión extracapsular, mientras que PSA, PSMATV y SUVTLR fueron predictores significativos de SVI (p < 0,05). Los valores estandarizados de SUVT, SUVTLR y SUVTPR podrían emplearse como marcadores no invasivos para ayudar a predecir los hallazgos histopatológicos del postoperatorio, particularmente ECI, SVI y PSM. To evaluate the predictive potential of the maximum standardized uptake value (SUVmax) value of intraprostatic tumors derived from preoperative [68Ga]Ga-PSMA-I&T PET/CT (SUVT), and its ratios to SUVmax in the liver (SUVTLR) and parotid gland (SUVTPR) with respect to histopathological findings. Data from patients who underwent radical prostatectomy (RP) for prostate cancer (PC) at our clinic between 2017-2020 were assessed. Patients with a secondary malignancy, a history of transurethral prostate resection, prior treatment for PC, or who received salvage RP were excluded. Whole-body images obtained using the same device, as per the guidelines, were reviewed by two nuclear medicine specialists with more than a decade of experience to reach a consensus for each lesion. The relationships between age, PSA, Prostate Volume, clinical T stage, biopsy International Society of Urological Pathology grade (ISUP), D'amico risk group, intraprostatic tumor volume (HPTV) identified in the final histopathological specimen review, HP-ISUP grade, seminal vesicle invasion (SVI), extracapsular invasion (ECI), positive surgical margine (PSM), SUVT, SUVTLR, and SUVTPR were analyzed. The mean age of the 64 included patients was 64.1±5.3 y-o. A statistically significant correlation was found between SUVT, SUVTLR, SUVTPR values, and histopathologic stage parameters, such as biopsy ISUP, D'amico Risk Classification, HP-ISUP, HPTV (P <.05). PSMATV, SUVT, and SUVTLR were statistically significant predictors of extracapsular invasion, while PSA, PSMATV, and SUVTLR were significant predictors of SVI (P <.05). The standardized SUVT, SUVTLR, and SUVTPR values could be employed as noninvasive markers to assist in predicting postoperative histopathological findings, particularly ECI, SVI, and PSM. [ABSTRACT FROM AUTHOR]

The eccrine porocarcinoma (EPC) is a cancer of the sweat glands in the skin, with a diverse clinical presentation that includes plaques, ulcerated nodules, and polypoid lesions. Symptoms may involve itching, pain, and inflammation, in addition to signs of malignancy such as ulcers, bleeding, rapid growth, or pain. Histopathology shows the proliferation of atypical cells with malignant features, including pleomorphism and nuclear hyperchromasia. It can metastasize to distant organs, with common sites being bone, bladder, retroperitoneum, among others. Survival depends on the tumor size, with worse prognosis for tumors larger than 4 cm. The primary treatment is surgical removal, especially in early stages, with lymph node dissection in cases of involvement. Mohs micrographic surgery is used for localized cases. Radiation therapy and chemotherapy may be options in cases of metastasis or recurrence. Long-term follow-up is crucial, and ongoing research is needed to improve treatment strategies. [ABSTRACT FROM AUTHOR]

Copyright of Revista Ambiente e Água is the property of Revista Ambiente e Agua and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Brazilian Journal of Biology is the property of Instituto Internacional de Ecologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Brazilian Journal of Biology is the property of Instituto Internacional de Ecologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Brazilian Journal of Biology is the property of Instituto Internacional de Ecologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Brazilian Journal of Biology is the property of Instituto Internacional de Ecologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Brazilian Journal of Biology is the property of Instituto Internacional de Ecologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Brazilian Journal of Biology is the property of Instituto Internacional de Ecologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Cientifica de la Facultade de Veterinaria is the property of Universidad del Zulia, Facultad de Ciencias Veterinarias and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Cientifica de la Facultade de Veterinaria is the property of Universidad del Zulia, Facultad de Ciencias Veterinarias and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Minas Gerais Medical Journal / Revista Médica de Minas Gerais is the property of Associacao Medica de Minas Gerais and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Mastocitomas são caracterizados como neoplasias de mastócitos, uma das neoplasias hematopoiéticas mais comuns em cães. O presente estudo objetivou relatar o caso de um mastocitoma cutâneo canino grau III. Trata-se do atendimento de uma fêmea (canino), sem raça definida, pesando 30kg, que apresentou no exame clínico um aumento de volume no tórax direito, medindo cerca de 20 cm de diâmetro, com superfície irregular não ulcerada, de consistência macia, e indolor à palpação. Foi realizada uma coleta para análise histopatológica, que revelou células pleomórficas não granuladas dispostas em cordões, com núcleos de dimensões distintas, alguns nucléolos evidentes, citoplasmas de tamanho moderado, e presença de algumas figuras mitóticas atípicas. Tais achados são compatíveis com mastocitoma cutâneo canino grau III (pouco diferenciado). Como o tumor estava muito infiltrado, foi sugerido ao tutor a realização de sessões de quimioterapia, em alternativa a exérese cirúrgica, que não poderia ser realizada. No entanto, o mesmo optou pela não realização, sendo informada a morte do animal após alguns meses.

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Copyright of Acta Veterinaria Brasilica is the property of Acta Veterinaria Brasilica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Gaceta Médica de Caracas is the property of Academia Nacional de Medicina and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

En este trabajo, describimos lesiones producidas por el protozoario dinoflagelado Amyloodinium ocellatum en las branquias de Mugil liza, causante de la enfermedad del terciopelo en varias especies de peces. Estos parásitos producen lesiones severas en las branquias, con hiperplasia de las células lamelares primarias y secundaria, ruptura de las células pilares e hiperplasia de las células de cloruro (ionocitos). La estructura branquial queda totalmente afectada, lo que impide una hematosis normal y altera la actividad osmoreguladora comprometiendo la salud de los peces. Las lesiones producidas por A. ocellatum son responsable por las altas tasas de mortalidad en los cultivos de peces generando pérdidas económicas en el sector productivo. En el presente trabajo, encontramos hiperplasia de células lamelares del epitelio respiratorio, disrupción epitelial, colapso de las laminillas secundarias y otras alteraciones que comprometen seriamente la función branquial.

La interdisciplinariedad en los diagnósticos y tratamientos de lesiones periapicales de gran tamaño en los maxilares es fundamental para el pronóstico favorable y conservación de órganos dentales. El presente caso exhibe a los granulomas apicales a consecuencia de enfermedades endo-periodontales crónicas y de inadecuados manejo e inoportunos diagnósticos. Es así como también fueron aplicadas herramientas como tomografía cone-Bean, histopatología e inmunohistoquímica jugando un rol fundamental en la intervención de las mismas para un diagnóstico certero. El objetivo del presente caso fue describir un abordaje interdisciplinario de lesión periapical confluyente que involucraba el seno maxilar, el cual evolucionó de manera satisfactoria.

A platinossomíase é uma infecção parasitária causada pelo trematódeo Platynosomum spp., encontrado no fígado de gatos domésticos. O felino é o hospedeiro definitivo e a severidade da doença depende da quantidade de parasitos, tempo de parasitismo e resposta do hospedeiro. O objetivo deste trabalho foi relatar um caso de icterícia pós-hepática em um gato decorrente de platinossomíase. Um gato, macho, jovem, sem raça definida, foi recebido para exame pós morte com histórico de icterícia grave, emagrecimento progressivo e morte repentina. Uma amostra de conteúdo biliar foi submetida ao método de sedimentação por centrifugação para a busca de ovos de helmintos, que revelou numerosos ovos marrom-escuros, ovais, monoperculados e embrionados, morfologicamente compatíveis com ovos de Platynosomum. O exame direto do fígado em estereoscópio e a histopatologia confirmaram a parasitose sob a identificação de formas adultas do parasito que apresentavam características morfológicas compatíveis com Platynosomum illiciens. As lesões histológicas incluíram colangio-hepatite, ectasia com obstrução ductal, fibrose, regeneração micronodular e lipidose. A icterícia pós-hepática foi relacionada à estase biliar resultante do acúmulo de muco e parasitos. Neste caso, os achados macroscópicos (icterícia intensa, fibrose hepática e colestase extra-hepática obstrutiva) e histológicos associados à identificação de parasitos adultos recuperados dos ductos biliares foram fundamentais para o diagnóstico definitivo da doença.

Myxoid sarcoma comprises malignant tumors of myxoid origin. Low-Grade Fibromyxoid Sarcoma (LGFM) has benign histopathological characteristics, slow growth, but with high metastatic potential. There are at least 25 cases of LGFM in humans, being more common in the deep intramuscular region, mainly in the thigh and trunk, but it has also been described in the retroperitoneum, mesentery and renal capsule. In December 2022, a 2-year-old male Wistar rat (Rattus norvegicus) had difficulty walking and a nodule was noted in the dorsal region of the left pelvic limb, measuring 2.5 cm x 3 cm. In January 2023, amputation was performed and the morphological diagnosis obtained was myxoid sarcoma. In February 2023, formation was observed in the left renal capsule measuring 2cm, growing to 6cm in May 2023, with the same diagnosis as that of the limb. The tutors opted for the surgical removal of the neoformation, however, the animal evolved to death, being referred for necroscopic examination. The case represents the first worldwide case of LGFM in Wistar, the second reported in animals. [ABSTRACT FROM AUTHOR]

Copyright of Revista Veterinaria is the property of Universidad Nacional del Nordeste and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Eccrine mucinous nevus is an uncommon hamartoma whose histological diagnosis is simple because of its peculiar morphological features, which include an increase in the number and/or size of the glands and eccrine ducts accompanied by abundant mucin deposits. When it presents with the typical symptom, focal hyperhidrosis, clinical suspicion is possible. El nevus mucinoso ecrino (NME) es un hamartoma escasamente reportado en la literatura cuyo diagnóstico histológico es sencillo debido a sus peculiares rasgos morfológicos, que incluye un aumento del número y/o tamaño de las glándulas ductos ecrinos acompañado de abundante depósito de mucina. Cuando presenta los hallazgos típicos, como la hiperhidrosis focal, es posible su sospecha clínica.

Introducción: uno de los avances en el tratamiento de la neoplasia del cérvix ha sido la identificación de lesiones precursoras. La citología, colposcopia, biopsia y co-test son sistemas complementarios para las pacientes con patología cervical. Objetivo: determinar la concordancia de hallazgos colposcópicos según la clasificación de Río 2011 e histopatológicos, en pacientes con anormalidad de células epiteliales secundarias a infección viral por VPH. Materiales y métodos: estudio observacional de prueba vs prueba en paralelo basado en los hallazgos colposcópicos e histopatológicos, en 32 pacientes con anormalidad de células epiteliales, que acudieron a la consulta de patología cervical en el Instituto Autónomo Hospital Universitario de Los Andes (IAHULA), período febrero - junio de 2020. Resultados: grupo etario, 33,59 años. Estado civil: unión estable 37,5%. Uso de Anticonceptivos: ACO 28,13%. Sexarquia: 17,69 años. Número de parejas sexuales: 3. Anormalidades epiteliales citológicas: LIEBG 78,5%. Categorización y Gradación colposcópica: adecuada, 90,6%. Unión escamocolumnar: visible 87,50%. Ubicación de la lesión: dentro de la zona de transformación 84,4%. Número de cuadrantes ocupados por la lesión: 1 cuadrante (46,9%). Colposcopia grado 1: Epitelio acetoblanco delgado 84,4%. Colposcopia grado 2: Epitelio acetoblanco denso 12,5%. Test de Schiller positivo (81,3%). Histopatología: NIC1 18 casos (64,28%). Positividad para VPH: 68,8%, serotipo más frecuente: VPH 16 (59,1%). Colposcopia grado 2 y NIC2-3: sensibilidad: 75%, especificidad: 80%, valor predictivo positivo 60%, valor predictivo negativo 88,8%, proporción de falsos positivos 20%, proporción de falsos negativos 25%, índice de Youden 0,55. Conclusión: existe concordancia entre los hallazgos colposcópicos e histopatológicos según la clasificación colposcópica de Río 2011.

Eurytrema coelomaticum are trematodes that parasitize cattle, buffaloes, goats, sheep, and camelids, and, accidentally, humans and cats. The affected animal usually has a subclinical pancreatic disease, but the damage caused to health and animal production is underestimated. Currently, praziquantel is the unique drug proven effective against this parasite, but no formulations containing this drug are available for ruminants in Brazilian market. The objective of the present study was to separately evaluate in vitro anthelmintic activity of praziquantel (PZQ) and nitazoxanide (NTZ) against E. coelomaticum by assessing motility after 3, 12, and, 15 hours of incubation and subsequent histopathological examination of the parasites. E. coelomaticum specimens were obtained from the pancreas of naturally infected cattle, collected from animals slaughtered in the city of Concordia-SC, Brazil. The specimens were incubated in plates with a culture medium (n = 60 per group), with 80µg/ml of PZQ (positive control group), or 61,5µg/ml of NTZ (treated group), or UNT (untreated control). After 12 hours of incubation all parasites of the NTZ and PZQ groups were motionless or dead, while in the negative control group, 91.67% (55/60) presented normal motility after 15 hours of incubation (P < 0.001). Histopathological examination showed severe damage in vitellogenic gland, intestine, parenchyma, integument, and testicle in both treated and positive control groups. It was concluded that PZQ and NTZ showed in vitro anthelmintic action against the parasite Eurytrema coelomaticum, as they caused significant lesions in the evaluated organs and reduced the parasite's motility. [ABSTRACT FROM AUTHOR]

Objective. This study was conducted retrospectively to assess the cystic echinococcosis status of farm animals from the samples sent to Samsun Veterinary Control Institute of the Republic of Türkiye, Ministry of Agriculture and Forestry, between January 2016 and December 2022. Materials and Methods. A total of 818 sheep, 160 goats, and 990 cattle necropsy materials were examined macroscopically and histopathologically according to World Organisation for Animal Health (WOAH) guidelines. Cysts were detected in 61 of examined materials. Results. The rate of total cystic echinococcosis positivity in farm animals was found to be 3.1% in northern Türkiye. Cysts were detected in at least one of the liver and lungs. It was detected in the liver in 24 cases (39.3%), the lung in 23 cases (37.7%), and both the lung and liver in 11 cases (18%). In addition, cysts were found in both of lung and spleen (1 case), kidney and liver (1 case), and heart and liver (1 case). The positivity rate was higher in sheep than in other ruminants, and the difference with other ruminant species was statistically significant. (p<0.001). The difference between prevalence rates by years was found to be statistically significant (p=0.001). Conclusion. Türkiye is defined as a highly endemic region for Echinococcus granulosus and Echinococcus multilocularis. Surveillance should be done regularly to implement control programs. The information presented in this study will contribute to gaining an idea about the status of cystic echinococcosis in livestock in northern Türkiye and to the development of prevention and control strategies. [ABSTRACT FROM AUTHOR]

Infecções adenovirais são comuns em aves comerciais, principalmente em sistemas de criação intensificada e já foram reportadas em diferentes locais, como: Ásia, África, América do Norte, América do Sul e Europa. As doenças envolvendo os Aviadenovírus (FAdVs), incluem a hepatite por corpo de inclusão (HCI), síndrome da hepatite-hidro pericárdio, (SHH) e outras condições afetando o sistema respiratório e digestivo das aves, além da Síndrome de Erosão de Moela (SEM). Esta publicação objetiva a caracterização da SEM como condição emergente no Brasil. Foram analisadas, entre setembro de 2021 e maio de 2022, 168 aves em 56 casos, sendo estas tanto de corte como de reprodução. Foram conduzidos exames de PCR para identificar o DNA viral e 28 exames histopatológicos com alguns destes revelando presença de corpos de inclusão virais no ventrículo, além de quadros inflamatórios típicos envolvendo infiltrado linfoplasmohistiocítico. Foram encontrados outros processos inflamatórios em outros órgãos, como o pró-ventrículo. O PCR evidenciou positividade para o Aviadenovírus. Com base nos achados do presente estudo, caracterizou-se a presença da SEM no Brasil. Enfatizamos a importância do sequenciamento do vírus, especialmente do tipo 1, como próximo passo a ser seguido.

Se describe el primer caso, debidamente confirmado, de salmonelosis en un equino en Costa Rica; una potra iberoamericana de siete meses de edad con un cuadro de diarrea de unas cuatro semanas de transcurso y baja condición corporal. Se confirmó la presencia de Salmonella entérica, subespecie entérica, mediante el estudio bacteriológico de muestras de heces. En el estudio post-mortem, se observó una tiflocolitis ulcerativa y necrotizante extensiva severa.

Objetivo. Los tumores del sistema nervioso central producen gran morbimortalidad en nuestra población. Por la escasez de datos epidemiológicos de estas lesiones en Colombia, se decidió revisar y estudiar la serie de tumores del sistema nervioso en uno de los centros de formación de residentes de neurocirugía. El objetivo de este trabajo fue conocer las características demográficas de los pacientes y la histopatología de los tumores cerebrales tratados en la Clínica El Bosque (Bogotá). Materiales y métodos. Se revisaron los estudios patológicos de tumores del sistema nervioso central realizados en la Clínica del Bosque entre 1 de Agosto de1978 hasta 31 de Agosto del 2008. Resultado. Se encontraron 212 pacientes cuyos estudios patológicos cumplieron con los criterios de inclusión del estudio. El 58.5% de los pacientes pertenecieron al género femenino. Los gliomas fueron los tumores más frecuentes con 71 de los 212 casos estudiados. Conclusiones. En esta serie, los tumores del sistema nervioso central se presentaron más comúnmente en los adultos. Esta población se encontraba en la etapa más productiva de la vida. Esta serie es una de las primeras en evaluar los tumores del sistema nervioso central en Colombia.

Lentigo maligna is an in situ cutaneous melanoma that arises in sun-damaged skin. Its most common presentation is a progressive, slow-growing, irregularly pigmented spot on the face of older patients. Although the exact percentage of lentigo maligna that progresses to invasive tumors is unknown, it is thought to lie between 2% and 5%. Both the clinical and histologic diagnosis of lentigo maligna can be challenging, especially in patients with early-stage or atypical disease. Treatment also holds challenges, because lesions are located in highly visible areas and are often large. Surgery can thus compromise cosmetic and sometimes functional outcomes. We review clinical and histopathological findings that can facilitate the diagnosis of lentigo maligna. We also examine treatment options, with a focus on surgery. Resumen: El lentigo maligno es un melanoma cutáneo in situ que asienta en zonas con daño solar acumulado. Su presentación más habitual es como una mancha irregularmente pigmentada de crecimiento lento y progresivo localizada en la cara de un paciente añoso. Aunque el porcentaje real de casos de lentigo maligno que evoluciona a formas invasoras es desconocido, se calcula que supone entre un 2 y un 5% de los casos. Tanto el diagnóstico clínico como histopatológico del lentigo maligno puede suponer un reto, especialmente en casos precoces o atípicos. Su tratamiento también puede suponer un desafío por su localización en áreas muy visibles y por su tamaño frecuentemente considerable, lo que tiene implicaciones estéticas y ocasionalmente también funcionales derivadas de la cirugía. En este trabajo revisamos las claves clínicas e histopatológicas para facilitar el diagnóstico del lentigo maligno. También revisamos las opciones de tratamiento con especial atención a la cirugía.

Copyright of Acta Veterinaria Brasilica is the property of Acta Veterinaria Brasilica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: to evaluate the precision of the different cut-off points of the BAAF Bethesda score in comparison with the histopathological study for the diagnosis of thyroid pathology. Methods: quantitative, observational, cross-sectional, analytical study for the evaluation of diagnostic tests. It included 293 patients with thyroid disease suggestive of cancer, who attended the General Surgery Service of Hospital Obrero No. 2 of the National Health Fund, during the period 2019-2022. Non-randomized convenience sampling was performed that included all available patients. Results: the correlation between the two variables studied was confirmed, that is, between the Bethesda score and the histopathological study report, with a confidence interval (CI) of 95%. Conclusions: it is demonstrated that the BAAF has high specificity in the diagnosis of thyroid cancer with Bethesda reports V and VI, on the contrary, minor Bethesda reports II, III, and IV, rule out the diagnosis. [ABSTRACT FROM AUTHOR]

Objective. To identify and determine the infection parameters of the metacestode Parvitaenia in different culture stages of Dormitator latifrons and to evaluate the histological damage caused by this parasite. Materials and methods. Forty-five specimens were examined, 15 in each phase: prebreeding, pre-fattening, and fattening, to identify the metacestode and tissue damage caused using conventional parasitology and histology techniques. Prevalence, intensity, and median intensity were calculated. A Mood’s median test evaluated the difference between intensity per culture phase. Total length, weight, condition factor, and hepatosomatic index were correlated with intensity by linear correlation analysis. Liver fragments were evaluated to identify the tissue damage. Results. A total of 29,151 cestodes were found and were identified as Parvitaenia cochlearii. Cestode prevalence was 100% in each culture phase. The median intensity ranged from 22 to 625 individuals and showed significant differences between culture phases (X² = 29.391; p<0.0001). Intensity showed moderate positive correlation with total fish length (r² = 0.45; p<0.05) and low correlation with weight (r² = 0.38; p<0.05). In less parasitized livers, fibrosis and congestion around the cysts were observed, while in livers with high levels of infection, parenchymal reduction, fibrosis, and increase in melanomacrophage centers were observed. Conclusions. This is the first report of P. cochlearii on D. latifrons in aquaculture. We suggest that there is a tendency for cestode accumulation during fish growth, which could have negative implications for trade. [ABSTRACT FROM AUTHOR]

Introduction: rheumatoid arthritis characterized by joint inflammation and pain, affecting millions of peoples around the world. Traditional system of medicine had proven to be preventive and treating physical and mental illness. Objective: the objective of the study is to assess anti-arthritic potential of the plant Rosa alba L by considering CFA, formaldehyde and turpentine oil induced arthritic model. Material and Method: ethanolic extract and its ethyl acetate fraction were considered for the study and quercetin was quantitatively estimated by high performance thin layer chromatographic (HPTLC) method. Moreover, hematological and biochemical studies (IL-6) were performed in blood and serum of wistar albino rat. Then histopathological studies had also been performed on rat hind paw joint. Result: phytochemical screening estimated the presence of carbohydrates, phenolic compounds, flavonoids, phytosterols, amino acids and fixed oil in ethanolic extract and ethyl acetate fraction of the plant. Amount of quercetin in the flowers of the plant was found to be 0.26% w/w by quantitative HPTLC method. The level of proinflammatory cytokines, interleukin (IL-6) was considerably decreased (p<0.001) in the fraction treated group of rats at 400 mg/kg b. w by considering complete freund's adjuvant (CFA) induced arthritic model. Conclusion: Ameliorated hematological, biochemical and histopathological parameters confirmed the antiarthritic potential of the plant. [ABSTRACT FROM AUTHOR]

Copyright of Revista Cientifica de la Facultade de Veterinaria is the property of Universidad del Zulia, Facultad de Ciencias Veterinarias and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Cientifica de la Facultade de Veterinaria is the property of Universidad del Zulia, Facultad de Ciencias Veterinarias and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Nacional de Odontología is the property of Universidad Cooperativa de Colombia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)