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Mesotheliomas represent a proliferative neoplasm made up of epithelial and mesenchymal cells of the mesothelium which make up part of the serosal covering and lining of various organ surfaces within the body. Mesotheliomas can be broadly divided into benign and malignant types. This article will
The clinicopathologic and immunohistochemical features of 10 cases of pleural malignant mesothelioma with predominantly adenomatoid growth pattern are described to determine the clinical, histologic, and behavioral features of these tumors and to highlight the importance of separating this unusual
Seventy-six patients with pleural mesothelioma were seen at Memorial Hospital from 1939 to 1972. There were 10 with benign and 66 with malignant mesotheliomas. The latter were histologically divided into 39 epithelial and 27 fibrosarcomatous types. Main symptoms were chest pain, dyspnea, and cough.
Malignant pleural mesothelioma may be composed of sarcomatous, epitheliomatous or mixed cell types. They can be differentiated from localized, benign mesothelioma. Malignant pleural mesothelioma is a rapidly fatal tumor that poses serious diagnostic and therapeutic problems. A series of 19 cases was
We report a very unusual cytologic feature, intranuclear inclusion bodies, in mesothelioma of a predominantly adenomatoid type. The patient, a 57-year-old woman, was presented with dyspnea and right pleural effusion. Pleural aspiration cytology revealed many cohesive ball-like clusters, with a
A 21-yr-old female jaguar (Panthera onca) died in a zoo in Teresina, Piaui, Brazil, following a history of abdominal distension, ascites, anorexia, and dyspnea. At necropsy, a dark red, watery, blood-tinged serous fluid was present in the abdominal cavity. The peritoneum was thick with firm, yellow,