Heterologous tumor


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(Med.) a tumor differing in structure from the normal tissues of the body.

See also: Heterologous

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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References in periodicals archive ?
Heterologous tumors consist of a differentiated mesenchymal component accompanied by endometrial, stromal or undifferentiated sarcomas.
(4-6,9-11) MMMTs are sub-divided into homologous and heterologous tumors. In homologous tumors, both the carcinomatous and sarcomatous elements present are normal components of the Mullerian system.
In heterologous tumors, sarcomatous elements that have no benign counterpart in the uterus are present, such as skeletal muscle, bone and cartilage.