malignant mixed tumor

a type of malignant pleomorphic adenoma usually occurring in the salivary glands of older adults in one of two forms: in the first both epithelial and mesenchymal components are malignant and may metastasize (carcinosarcoma) and in the second a histologically benign appearance persists in both the primary tumor and metastatic foci. The term is sometimes used synonymously with carcinoma ex pleomorphic adenoma or with the more general term malignant pleomorphic adenoma.

Medical dictionary. 2011.

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  • Malignant mixed tumor — A malignant mixed tumor (also known as a Malignant chondroid syringoma ) is a cutaneous condition characterized by a tumor that favors the trunk and extremities.[1]:667 See also Mixed tumor List of cutaneous conditions References ^ James, William …   Wikipedia

  • Mixed tumor — A Mixed tumor is a tumor that derives from multiple tissue types.[1] For example, a Chondroid syringoma is a cutaneous condition characterized histologically by nests of cuboidal or polygonal epithelial cells in the dermis.[2]:667 See also… …   Wikipedia

  • malignant mixed Müllerian tumor — MMMT. A rare type of tumor that is a mixture of carcinoma and sarcoma cells. MMMT usually occurs in the uterus. Also called MMMT …   English dictionary of cancer terms

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  • Complex and mixed tumor — Classification and external resources ICD O: 8560 8589, 8930 8990 MeSH D018193 A mixed tumor is a tumor derived from more than one type of tissue …   Wikipedia

  • malignant pleomorphic adenoma — any of several malignant epithelial neoplasms arising in a pre existing pleomorphic adenoma, usually in the salivary glands of an older adult; it occurs in several types, usually divided into carcinoma ex pleomorphic a. and malignant mixed tumor …   Medical dictionary

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  • tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a …   Medical dictionary

  • Wilms tumor — A malignant tumor of the kidney in young children. It is also known as nephroblastoma. Wilms tumor is the most common kidney cancer in children and one the most important malignancies in childhood. About 450 new cases of Wilms tumor are diagnosed …   Medical dictionary

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