Table 1

Inclusion of malignant soft tissue tumours of the WHO classification 2013 vs 2012

CategoryMalignant subtypes20132002Inclusion
Adipocytic tumours20132002Included
Dedifferentiated liposarcoma20132002Included
Myxoid liposarcoma20132002Included
Pleomorphic liposarcoma20132002Included
Liposarcoma, not otherwise specified20132002Included
Round cell liposarcomaNo2002Included
Mixed-type liposarcomaNo2002Included
Fibrobastic/myofibroblastic tumours20132002Included
Adult fibrosarcoma20132002Included
Myxofibrosarcoma20132002Included
Low-grade fibromyxoid sarcoma20132002Included
Sclerosing epitheloid fibrosarcoma20132002Included
Malignant haemangiopericytomaNoNoIncluded
So-called fibrohistiocytic tumours20132002Included
Pleomorphic ‘MFH'/(UPS)No2002Included
Giant cell ‘MFH'/UPS with giant cellsNo2002Included
Inflammatory ‘MFH'/UPS with prominent inflammationNo2002Included
Smooth muscle tumours20132002Included
Leiomyosarcoma (excluding skin)20132002Included
Pericytic (perivascular) tumours20132002No
Skeletal muscle tumours20132002No
Embryonal rhabdomyosarcoma20132002No
Alveolar rhabdomyosarcoma20132002No
Pleomorhic rhabdomyosarcoma20132002No
Spindle cell/sclerosing rhabdomyosarcoma2013NoNo
Vascular tumours of soft tissue20132002Included
Epithelioid haemangioendothelioma20132002Included
Angiosarcoma of soft tissue20132002Included
Chondro-osseous tumours20132002No
Mesenchymal chondrosarcoma20132002No
Extraskeletal osteosarcoma20132002No
Gastrointestinal stromal tumours2013NoIncluded
Gastrointestinal stromal tumour, malignant2013NoIncluded
Nerve sheath tumours2013NoIncluded
Malignant peripheral nerve sheath tumour2013NoIncluded
Epithelioid malignant peripheral nerve sheath tumour2013NoIncluded
Malignant Triton tumour2013NoIncluded
Malignant granular cell tumour2013NoIncluded
Ectomesenchymoma2013NoIncluded
Tumours of uncertain differentiation20132002Included
Synovial sarcoma NOS20132002Included
Epithelioid sarcoma20132002Included
Alveolar soft-part sarcoma20132002Included
Clear cell sarcoma of soft tissue20132002Included
Extraskeletal myxoid chondrosarcoma20132002No
Extraskeletal Ewing sarcoma20132002No
Desmoplastic small round cell tumour20132002Included
Extrarenal rhabdoid tumour20132002Included
Neoplasms with perivascular epithelioid cell differentiation20132002Included
Intimal sarcoma20132002Included
Malignant MesenchymomaNo2002Included
Undifferentiated/unclassified sarcomas2013NoIncluded
Undifferentiated spindle cell sarcoma2013NoIncluded
UPS2013NoIncluded
Undifferentiated round cell sarcoma2013NoIncluded
Undifferentiated epithelioid sarcoma2013NoIncluded
Undifferentiated sarcoma NOS2013NoIncluded
  • MFH, malignant fibrous histiocytoma; NOS, not otherwise specified; UPS, undifferentiated pleomorphic sarcoma.