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Introduction:
All body cavities are lined by monolayered mesothelial cells and contain a minimal amount of fluid for lubrication and for protecting the underlying viscera. The peritoneal, pleural, cerebrospinal, sputum, urine, and pericardial fluids comprise the major chunk of body fluids.
Material and Methods:
The study was conducted in the Department of Pathology of a tertiary care hospital in northern India, over a period of 1 year, from January 2021 to December 2021. A total of 241 samples were included in the study.
Results:
Out of the 241 samples studied, 99 were peritoneal fluid, 94 were pleural fluids, 29 were CSF, and 18 were sputum samples. Maximum number of patients affected were in the age group of 41–50 years. Female preponderance was seen with male to female ratio of 1:1.7. A total of 143/241 cases (59.33%) were of transudative nature and 98/241 (27.8%) cases were exudative. Out of 241 cases, 43 (17.84%) were neoplastic, 190 (78.83%) were non-neoplastic, four (1.65%) were suspicious for malignancy, and four (1.65%) were where no opinion was possible. Peritoneal fluid was the most frequently encountered fluid accounting for 99 cases (41.07%). Adenocarcinoma was the most common malignancy accounting for 29 cases (67.44%) out of 43 malignant effusions in the present study.
Conclusion:
Cytological evaluation of body fluids is of significant utility in diagnostic medicine as it allows us to distinguish between benign and malignant etiologies and at the same time offers rapid diagnosis and staging of metastatic disease.