What are Soft Tissue Sarcomas?
Soft tissue sarcomas are rare tumors that arise from connective and supportive tissue of the body. This includes fat, muscle, nerves, bone, cartilage, vessels or fibrous structures. These can occur in any part of the body.
Sarcomas Are a Rare and Heterogeneous Group of Malignant Tumors of Mesenchymal Origin and Are Approximately 1% of all Adult Malignancies and 12% of Pediatric Cancers.
As classified by the World Health Organization (WHO), the group of soft tissue sarcomas includes more than 100 different histologic subtypes.
The main types of soft tissue sarcoma arise from:
- Fat cells
- Peripheral nerves
- Cartilage and other connective tissue
- Blood and lymph vessels
- Fibrous tissue
There are more than 80 subtypes of soft tissue sarcomas. The most common subtypes are:
- Undifferentiated pleomorphic sarcoma, previously called malignant fibrous histiocytoma