Soft tissue sarcomas are a heterogeneous group of malignant tumours of mesenchymal origin (sarcoma) that originate from the soft tissues rather than bone. They are classified on the basis of tissue seen on histology. The more common sarcomas in the adult and paediatric populations are listed below.
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Adult soft tissue sarcomas
- undifferentiated pleomorphic sarcoma (malignant fibrous histiocytoma): commonest type of soft tissue sarcoma
- liposarcoma: second most common type
- rhabdomyosarcoma
- fibrosarcoma
- dermatofibrosarcoma
- leiomyosarcoma
- haemangiosarcoma
- Kaposi sarcoma
- lymphangiosarcoma
- synovial sarcoma
- malignant peripheral nerve sheath tumour
- extraskeletal chondrosarcoma
- extraskeletal osteosarcoma
- alveolar soft-part sarcoma: young adult
Paediatric soft tissue sarcomas
- rhabdomyosarcoma
- embryonal sarcoma
- alveolar soft-part sarcoma
- leiomyosarcoma
- fibrosarcoma
- malignant fibrous histiocytoma
- dermatofibrosarcoma
- liposarcoma
- infantile haemangiopericytoma
- synovial sarcoma
- malignant peripheral nerve sheath tumour
- extraskeletal myxoid chondrosarcoma
- extraskeletal mesenchymal sarcoma