Malignant peritoneal mesotheliomas.A clinicopathological analysis of 12 fatal cases

A considerable doubt that acceptable examples of tumors arising from the coelomic endothelial lining can be found in the literature.His critical appraisal of cases reported as mesotheliomas has centered about the possibility that the gross and microscopic examinations made postmortem have not been thorough enough to exclude a small primary malignant tumor from which metastasis to the coelomic lining has originated.Other investigators have concentrated on the nature of the mesothelial cel1,"J its cyto-From the Soft Tissue Branch, Armed Forces Institute of Pathology, Washington, D.C.