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Medical Term:

inflammatory myofibroblastic tumor


heterogeneous group of morphologically similar lesions composed of myofibroblasts, plasma cells, and other chronic inflammatory cells. In children and young adults, occurs preferentially in soft tissue and viscera and shows clonal features. In adults, it may occur in any site and is usually not clonal.

Synonym(s): omental mesenteric myxoid hamartoma, plasma cell pseudotumor

See Also: pseudotumor

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.