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Background: Bronchoalveolar lavage (BAL) is a widely accepted investigative tool for the diagnosis of pulmonary lesions. This study was done to find out the usefulness of BAL in diagnosis of pulmonary lesions from central Indian patient population. Methods: A cross-sectional prospective study was performed over a period of three years. All the BAL specimens of patients presenting to Department of Pulmonary Medicine and Tuberculosis during a period of January 2017 to December 2019 were included in the study. Cyto-histopathologic correlation was done, wherever available. Results: Of total 277 cases, there were 178 (64.5%) males and 99 (35.5%) females. The age of patients ranged from 4 years to 82 years. In 92 (33%) cases, specific infective etiology could be identified on BAL cytology, the most common being tuberculosis (26%) followed by fungal infections (2%). Rarely, infections like nocardia, actinomycosis, and hydatidosis were also identified. Eight cases (3%) of malignancy were identified which included two cases of adenocarcinoma, one case of small cell carcinoma, three cases of poorly differentiated carcinoma, and two cases suspicious for malignancy. Some rare diagnoses like diffuse alveolar damage, pulmonary alveolar microlithiasis, and pulmonary alveolar proteinosis could be identified on BAL. Conclusion: BAL is useful in primary diagnosis of infections and malignancies of lower respiratory tract. BAL may aid in diagnostic workup of diffuse lung diseases. A combination of clinical information, high-resolution computed tomography, and BAL analysis may furnish an assured diagnosis to the clinician and obviate need for invasive procedures. [ABSTRACT FROM AUTHOR]

Background and Aim: The natural history of cervical cancer is unique that it is preceded by a precancerous condition for a long time. Morphometry as a tool can be used in early and accurate diagnosis of these precancerous and cancerous lesions. The present study aims at assessing the utility of cellular and nuclear morphometry in differentiating squamous cell abnormality from benign conditions and also differentiating the categories of squamous cell abnormalities. Materials and Methods: Forty-eight diagnosed cases of squamous epithelial cell abnormality, that is, 10 cases each of atypical squamous cell of undetermined significance (ASC-US), low-grade squamous intraepithelial lesion (LSIL), high-grade SIL (HSIL), and squamous cell carcinoma (SCC) and eight cases of ASC-H (ASC cannot exclude HSIL), were made the sample population and compared with a control population of 10 cases of negative for intraepithelial lesion or malignancy (NILM). Parameters like nuclear area (NA), nuclear perimeter (NP), nuclear diameter (ND), nuclear compactness (NC), cellular area (CA), cellular diameter (CD), cellular perimeter (CP), and nucleocytoplasmic (N/C) ratio were used. Results: There was a significant difference in the six groups of squamous cell abnormality based on NA, NP, ND, CA, CP, and CD (P < 0.05) using one-way analysis of variance. Nuclear morphometry parameters like NA, NP, and ND were found to be the maximum for HSIL, followed by LSIL, ASC-H, ASC-US, SCC, and NILM groups in decreasing order. The mean CA, CP, and CD were found to be the maximum for NILM, followed by LSIL, ASC-US, HSIL, ASC-H, and SCC in decreasing order. On post hoc analysis, the lesions can be divided into three groups: NILM/normal; ASC-US and LSIL; and ASC-H, HSIL, and SCC, based on N/C ratio. Conclusion: In cervical lesions, holistic parameter of cytonucleomorphometry should be taken rather than taking nuclear morphometry only. N/C ratio is a highly statistically significant parameter that can differentiate between low-grade lesions and high-grade lesions. [ABSTRACT FROM AUTHOR]

Absolute NBT-positive neutrophil count was calculated by multiplying the NBT percentage with absolute neutrophil count obtained from cell counter to obtain the absolute NBT-positive neutrophil count. Absolute NBT-positive neutrophil count ranged from 585 to 4,261/µL with a mean of 1,509/µL. At places there were conglomerate of neutrophils whereby cytoplasmic boundary of neutrophils could not be much appreciated and there was nuclear decondensation and nuclear streaking. Viral illnesses are supposed to be having low NBT percentage, [11][12][13] and the presence of higher NBT percentage may be because of intercurrent bacterial or fungal infections or more likely due to neutrophil mediated oxidative stress due to COVID-19 itself. [Extracted from the article]

Retroperitoneal liposarcoma (RPLS) is a rare mesenchymal tumor which accounts for 0.02-0.7% of all malignancy. The presentations of these tumors are non-specific and early diagnosis is often missed. We are reporting a rare case of 17-year-old girl who came to us with complaints of abdominal distension and other non-specific symptoms but after few hours of admission, she had acute abdomen with hemodynamic instability. She underwent emergency laparotomy and found to have a giant 25 × 20 × 10 cm ruptured retroperitoneum tumor causing hemoperitoneum. The tumor involved left ovary and fallopian tube as well. Complete resection of tumor with left salpingooophorectomy was done. The patient was kept in intensive care unit and discharged in good health after 15 days. This presentation of RPLS has not been reported yet and may demand early diagnosis and management of these tumors. The histopathology revealed dedifferentiated liposarcoma with rhabdomyosarcomatous differentiation. The patient is completely fine at 16 months of follow-up while writing this report. Again, heterologous dedifferentiation of liposarcoma with spindle cell component is a rare morphologic spectrum. Liposarcomas can have various histologic types. In dedifferentiated types, the line of differentiation needs to be identified to decide further line of treatment. Therefore, thorough histopathological analysis and immunostaining is needed. Treatment includes complete surgical resection. Role of radiotherapy and chemotherapy is debatable and is still under trial. Dedifferentiated RPLS with rhabdomyosarcomatous differentiation is a rare tumor and its presentation as acute abdomen and hemoperitoneum has never been reported previously. [ABSTRACT FROM AUTHOR]