... Serous effusion Fluid cytology Immunohistochemistry Human body cavities include the pleural, pericardial, and peritoneal cavities. These spaces are lined by mesothelial cells that comprise the visceral and parietal layers. The term “effusion” or “serous effusion” refers to the accumulation...

...Paul Warwick Shield; Dalisay Liwanag Ribu Introduction: Metastatic melanoma (MM) is an uncommon finding in serous effusion specimens with a highly variable cytomorphology. Methods: We reviewed specimens submitted over a 19-year period to determine (a) the range of cytologic findings in effusion...

... categories proposed by the ISRSFC: non-diagnostic (ND), negative for malignancy (NFM), atypia of uncertain significance (AUS), suspicious for malignancy (SFM), and malignant (MAL), and ROM was calculated for each category. Results: The present study examined 596 serous effusions, of which 229 were pleural...