Soft tissue
So called fibrohistiocytic
Fibrohistiocytic tumors-general


Topic Completed: 3 October 2019

Minor changes: 21 July 2020

Copyright: 2019, PathologyOutlines.com, Inc.

PubMed Search: Soft tissue fibrohistiocytic[TI]

Brendan C. Dickson, M.D., M.Sc.
Page views in 2019: 174
Page views in 2020 to date: 498
Table of Contents
Definition / general
Cite this page: Dickson B. Fibrohistiocytic tumors-general. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/softtissuefibrohistiocyticgeneral.html. Accessed August 6th, 2020.
Definition / general
  • Due to controversy over the precise lineage of these tumors, these tumors are termed "so called" fibrohistiocytic tumors (Fletcher, WHO Classification of Tumours of Soft Tissue and Bone, 2013)
  • Tumors previously called MFH (malignant fibrous histiocytoma) are now called undifferentiated or unclassified sarcoma; they are subclassified based on cell morphology: undifferentiated pleomorphic sarcoma, spindle cell, epithelioid cell and round cell
Back to top