What is the WHO classification of soft-tissue tumors?

Updated: Dec 03, 2018
  • Author: Vinod B Shidham, MD, FRCPath; Chief Editor: Omohodion (Odion) Binitie, MD  more...
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In 2013, the World Health Organization (WHO) issued an updated classification of soft-tissue tumors that divided them into the following categories [33] :

  • Adipocytic tumors
  • Fibroblastic/myofibroblastic tumors
  • So-called fibrohistiocytic tumors
  • Smooth-muscle tumors
  • Pericytic (perivascular) tumors
  • Skeletal-muscle tumors
  • Vascular tumors
  • Chondro-osseous tumors
  • Gastrointestinal stromal tumors
  • Nerve-sheath tumors
  • Tumors of uncertain differentiation
  • Undifferentiated/unclassified sarcomas

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