plexiform fibrohistiocytic tumor

plexiform fibrohistiocytic tumor

low-grade malignant soft tissue tumor of childhood composed of nodules and interconnecting fascicles of myofibroblastic cells, histiocytelike cells, and multinucleated giant cells.
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Expression of MiTF may be helpful in differentiating cellular neurothekeoma from plexiform fibrohistiocytic tumor (histiocytoid predominant) in a partial biopsy specimen.
235) Kaddu and Leinweber (231) noted D2-40 expression in the 15 CNTs they evaluated but not in either of the 2 plexiform fibrohistiocytic tumors studied.
The concept of borderline ovarian carcinoma and the categorization of some soft tissue tumors (such as plexiform fibrohistiocytic tumor, so-called angiomatoid fibrous histiocytoma, and some types of hemangioendothelioma) are examples of established intermediate borderline diagnostic categories.