Definition: Neoplasms composed of tissue of the mesothelium, the layer of flat cells, derived from the mesoderm, which lines the body cavity of the embryo. In the adult it forms the simple squamous epithelium which covers all true serous membranes (peritoneum, pericardium, pleura). The concept does not refer to neoplasms located in these organs. (From Dorland, 27th ed)
neoplasms composed of mesothelium, NOT neoplasms located in the mesothelium: TN 135; /blood supply /chem /second /secret /ultrastruct permitted; coord IM with precoord organ/neopl term (IM); restricted use: Manual 24.2.2.5; DF: NEOPL MESOTHELIAL
ExamplesAdenomatoid Tumor; Mesothelioma
Other names Neoplasm, Mesothelial; Mesothelial Neoplasm; Mesothelial Neoplasms
