Soft tissue tumors (WHO 2002 classification)

The WHO 2002 classification of soft tissue tumors is as follows:

This, however, has been revised under the 2013 WHO tissue tumor classification system 4.

Adipocytic tumors
Benign
Intermediate (locally aggressive)
  • atypical lipomatous tumor/well differentiated liposarcoma 8851/3
Malignant
Fibroblastic/myofibroblastic tumors
Benign
Intermediate (locally aggressive)
Intermediate (rarely metastasizing)
Malignant
So called fibrohistiocytic tumors
Benign
Intermediate (rarely metastasizing)
Malignant
Smooth muscle tumors

Pericytic (perivascular) tumors

Skeletal muscle tumors
Benign
  • rhabdomyoma 8900/0
    • adult type 8904/0
    • fetal type 8903/0
    • genital type 8905/0
Malignant
Vascular tumors
Benign
Intermediate (locally aggressive)
Intermediate (rarely metastasizing)
Malignant
Chondro-osseous tumors 
Tumors of uncertain differentiation 
Benign
Intermediate (rarely metastasizing)
Malignant
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rID: 10620
Synonyms or Alternate Spellings:
  • WHO 2002 soft tissue tumour classification system
  • WHO classification of soft tissue tumours
  • WHO classification of soft tissue tumors
  • WHO 2002 soft tissue tumor classification system

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