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Gestational trophoblastic diseases (GTDs) encompass a spectrum of conditions characterized by abnormal trophoblastic cell growth, ranging from benign molar pregnancies to malignant trophoblastic neoplasms. This systematic review explores the molecular underpinnings of GTDs, focusing on genetic and epigenetic factors that influence disease progression and clinical outcomes. Based on 71 studies identified through systematic search and selection criteria, key findings include dysregulations in tumor suppressor genes such as p53, aberrant apoptotic pathways involving BCL-2 (B-cell lymphoma), and altered expression of growth factor receptors and microRNAs (micro-ribose nucleic acid). These molecular alterations not only differentiate molar pregnancies from normal placental development but also contribute to their clinical behavior, from benign moles to potentially malignant forms. The review synthesizes insights from immunohistochemical studies and molecular analyses to provide a comprehensive understanding of GTD pathogenesis and implications for personalized care strategies. [ABSTRACT FROM AUTHOR]

Folliculosebaceous cystic hamartoma (FSCH) is a rare cutaneous hamartoma characterized by follicular, sebaceous, and mesenchymal elements. Folliculosebaceous cystic hamartoma is probably not as rare as previously thought and its inclusion in the differential diagnosis of asymptomatic skin colored papules or nodules is warranted, especially if it is present in the head and neck region.

Objective: This study aims to present a series of patients with disseminated rhinosporidosis with diagnostic and therapeutic features. Methods: A retrospective study was conducted in a tertiary health care centre in South India from 2007 to 2020 with disseminated rhinosporidiosis. Twelve patients with multiple sites of involvement like the nose, nasopharynx, oropharynx, larynx, lacrimal sac and skin were included in the study. All patients underwent surgical excision, followed by peroral dapsone for one year. Results: The age group was around 30-55 years, with male predominance (11:1). Pond bathing history was present in 50% (n=6). The most common site of lesion was the nose (100%), oropharynx (83.3%), skin (75%), larynx (50%) and less commonly, nasopharynx (41.6%) and lacrimal sac (25%). One patient underwent surgery four times (8.3%), followed by thrice and twice by five (41.6%) and six (50%) patients, respectively. On two years of follow-up, two patients (16.6%) had a recurrence in the nose and larynx whereas eight patients (66.6%) had no recurrence and two patients (16.6%) were lost to follow-up. Conclusion: This original article highlights the rare occurrence of disseminated rhinosporidiosis, the possibility of which should be kept in mind, mainly when two or more sites are involved. The most significant number of disseminated rhinosporidiosis cases in the literature is reported here. Dissemination with the cutaneous and multisite disease is rarely reported and poses difficulty in management. Early diagnosis and intervention prevent the dissemination of spores into various parts of the body. [ABSTRACT FROM AUTHOR]

Background: Alterations in the level of neurotransmitters are evident in patients with major depressive disorder (MDD). Vitamin B12 mediates the synthesis of neurotransmitters, and hence, vitamin B12 deficiency could be associated with depression. Aims and Objectives: To assess the levels of serum vitamin B12, homocysteine (Hcy), and haematological profiles in patients of MDD. Materials and Methods: Fifty‑nine patients with MDD were recruited based on ICD‑10 criteria. Severity of depression was assessed by HAM‑D scale. Vitamin B12, Hcy levels, and haematological profiles were analysed. Results: Vitamin B12 was deficient or depleted in all patients with MDD. The median level of vitamin B12 in serum was 164.2 pg./ml and significantly lower in patients with severe MDD. The mean value of Hcy was 18.34 µmol/L, which was high compared to the normal reference range. The red cell distribution width (RDW‑CV) varied significantly between the three groups of MDD patients. Patients consuming non‑vegetarian food had a significantly higher median value of serum vitamin B12. Conclusion: Vitamin B12 deficiency is found in patients with MDD and varies inversely with severity of MDD. Hcy is found to be higher in patients with MDD. The manifestation of depressive symptoms precedes the more commonly known haematological manifestations of vitamin B12 deficiency in this study. [ABSTRACT FROM AUTHOR]

Introduction and Objectives: Anaplastic large cell lymphoma (ALCL), a unique non-Hodgkin lymphoma (NHL), is a CD30-positive neoplasm of T-cell lineage. Its distinctive yet variable cytomorphology makes diagnosing fine needle aspiration cytology (FNAC) challenging. This study was undertaken to study the cytomorphology and the utility of immunocytochemical (ICC) stains on cytology in ALCL and to discuss their morphological differential diagnosis. Materials and Methods: The present study was conducted in the Department of Pathology of a tertiary care center. A retrospective review was done from January 2017 to July 2022, and all histopathologically and immunohistochemically (IHC) diagnosed cases of ALCL were taken and correlated with the cytological diagnosis. Results: Twenty-one cases of histopathology examination and IHC-proven cases of ALCL were retrieved from the departmental archives and reviewed. The ages ranged from 3 to 80 years (median age 28 years). Commonly noted cytomorphologic features included singly dispersed large pleomorphic cells, hallmark cells, and Reed-Sternberg-like cells. CD15, CD30, epithelial membrane antigen, and anaplastic lymphoma kinase-1 were some of the ICC stains used in this study. All 21 cases had cytology correlation. Fourteen cases had concordant cyto-histological correlation. Seven cases of histopathologically proven ALCL were reported as Hodgkin lymphoma (HL) in three, ALCL/anaplastic diffuse large B-cell lymphoma, HL/ALCL, poorly differentiated carcinoma, and NHL in one case each on cytology. Conclusion: ALCL has a reasonably distinct cytomorphologic appearance and ICC staining pattern, and a careful interpretation of both helps arrive at a reliable FNAC diagnosis. [ABSTRACT FROM AUTHOR]

Trichofolliculoma is a pilosebaceous follicle hamartoma in which several hairs are formed within single pilosebaceous unit and protrude out of single orifice. Herein we report a 45-year-old woman with a trichofolliculoma of the eyebrow.

Background: Burkitt lymphoma (BL) is an aggressive high‐grade B‐cell non‐Hodgkin lymphoma commonly diagnosed in young age and is known to involve extra nodal sites. But the involvement of body fluids by BL is an uncommon presentation. Rapid diagnosis of BL is vital to prevent complications like tumour lysis syndrome. Cytological examination of body fluids continues to be an indispensable tool for rapid diagnosis of BL. Objectives: In this study, we aim to study the clinical, cytomorphological and immunophenotypic characteristics of BL involving serous effusions and other fluids. Materials and Methods: In this retrospective study, 17 cases reported as BL in fluid cytology from 2016 to 2022 were collected and reviewed. We performed a comprehensive analysis of the clinical data, cytomorphological features, immunophenotyping data along with the haematological workup of these cases. We have also compared with the histopathological diagnosis for those cases where biopsy was available. Results: BL more commonly involved ascitic fluid (52%), followed by pleural fluid (4 cases) and cerebrospinal fluid (CSF; 4 cases). Primary diagnosis of BL in fluid was done in 88% of the cases. Bone marrow involvement was noted in two cases. Cytological smears showed discrete monomorphous population of medium‐sized atypical lymphoid cells with frequent apoptotic bodies. Classic cytoplasmic punched out vacuoles were observed in 88% of the cases. Immunophenotyping data was available for 12 cases in which tumour cells showed positivity for CD20 (100%), CD10 (4 of 7 cases), BCL6 (3 of 5 cases) and cMYC (7 of 7 cases—100%) and were negative for Terminal deoxynucleotidyl transferase (TdT) (11 of 11 cases). Mean Ki67 labelling index was 95%. Histopathological diagnosis was available for 9 cases, and there was 100% agreement between cytological and histopathological diagnosis in 7 cases. Conclusion: Precise diagnosis of BL can be rendered in body fluids by identification of classic cytomorphological features and by performing supportive ancillary tests in fluids for immunophenotyping. [ABSTRACT FROM AUTHOR]

Background: Studies have shown that the quantification of circulating clonal plasma cells (cCPCs) in peripheral blood using flow cytometry could be used as a prognostic predictor of poor outcome in multiple myeloma (MM). Methods: In 66 newly diagnosed MM, cCPCs were quantified (cCPC%) and analysed for association with outcome and survival. Single‐tube combined surface (CD45/CD19/CD138/CD38/CD56/CD27/CD81 as per availability) and cytoplasmic (kappa/lambda) staining was done using pre‐titrated volumes of antibodies. In 26 patients, repeat cCPC% was assessed post‐induction therapy. For association studies, treatment response has been taken as good (VGPR and above) and poor (PR and below). All statistical analyses were performed with SPSS software version 16.0. Results: There was no significant association between cCPC% at baseline with staging (p = 0.43), β2‐microglobulin (p = 0.27) and albumin (p = 0.08). There was a significant difference between the pre‐induction and post‐induction cCPC% (p = 0.0001). The patients were segregated using a cut‐off of ≥0.197 and <0.197 based on the median values of baseline cCPC%. The post‐induction outcome was available for 47 patients among whom 33 (70%) had VGPR and above. There was a significant association between higher cCPC% at baseline with poor treatment response (p = 0.008). The median OS in the study patients was 42 (CI 28.14–43.03) months and the median PFS was 39 (CI 28.49–49.04) months. Higher cCPC% showed a lower median PFS (30 vs. 39 months) and OS (35 vs. 41 months) compared to lower cCPC% though it was not statistically significant. Conclusion: Flow cytometric baseline cCPC% in newly diagnosed MM was associated with poor treatment response and survival. [ABSTRACT FROM AUTHOR]

Byline: Kalaivani. Subramanian, Sree. Jinkala, Rakhee. Kar, Debdatta. Basu, Biswajit. Dubashi Juvenile myelomonocytic leukemia (JMML) is a rare but frequently lethal clonal myeloproliferative neoplasm (MPN) of childhood. JMML accounts for [...]

Objectives: This study aimed to assess the variation in the levels of the neutrophil lymphocyte ratio (NLR) and platelet indices in patients with stable chronic obstructive pulmonary disease (COPD) and acute exacerbation of COPD (AECOPD) patients and its association with GOLD stages. COPD is heterogeneous in nature. AECOPD is diagnosed clinically, which is subjective, and clinical judgement may vary from clinician to clinician. Since chronic inflammation underlies the pathogenesis of COPD, markers of inflammation have generated considerable interest in their potential to be used as biomarkers of COPD. Methods: This prospective analytical study was carried out at the Department of Pulmonary Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India, from December 2018 to July 2020. A total of 64 subjects (32 stable COPD, 32 AECOPD) who satisfied the study criteria were included. Blood samples were taken from stable and AECOPD patients and were compared. Results: It was observed that the NLR, the platelet distribution width, the erythrocyte sedimentation rate (ESR) and the C-reactive protein (CRP) increased in AECOPD patients compared to stable COPD patients (P <0.001). A positive correlation was observed between the neutrophil lymphocyte ratio, the platelet distribution width, the ESR and the CRP (P <0.001). Conclusion: The NLR and platelet distribution width values increased significantly in AECOPD patients compared to stable COPD patients. [ABSTRACT FROM AUTHOR]