Well-Differentiated Papillary Mesothelioma

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Well-Differentiated Papillary Mesothelioma Am J Surg Pathol. 2001 Oct;25(10):1304-9. Unusual variant of epithelial mesothelioma ≠ malignant mesothelioma Low malignant potential 14 cases of WDPM

Well-Differentiated Papillary Mesothelioma Am J Surg Pathol. 2001 Oct;25(10):1304-9. Asbestos exposure: ± Radiologic findings Peritoneum: ascites ± bowel wall/mesentery thickening Pleura: unilateral free-flowing pleural effusion ± nodular pleural thickening Prognosis 9 complete follow-up Six: indolent disease One: resolution after chemotherapy One: aggressive course One died of other causes

Well-Differentiated Papillary Mesothelioma Am J Surg Pathol. 2001 Oct;25(10):1304-9. Pathologic findings Gross description: variable - multifocal (some cases), finding granular deposits, single fungating masses Microscopic findings: single layer of relatively uniform cuboidal mesothelial cells covered thin fibrovascular papillary cores