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Soft Tissue Tumour

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Soft Tissue TUmour

A sarcoma is a type of cancer that develops from certain tissues, like bone or muscle. Bone and soft tissue sarcomas are the main types of sarcoma. Soft tissue sarcomas can develop from soft tissues like fat, muscle, nerves, fibrous tissues, blood vessels, or deep skin tissues. They can be found in any part of the body. Most of them develop in the arms or legs. They can also be found in the trunk, head and neck area, internal organs, and the area in back of the abdominal cavity (known as the retroperitoneum). Sarcomas are not common tumors, and most cancers are the type of tumors called carcinomas.

Sarcomas that most often start in bones, such as osteosarcomas, and sarcomas that more often occur in children, such as the Ewing Family of Tumors and Rhabdomyosarcoma, are discussed separately.

  • Adult fibrosarcoma
  • Alveolar soft-part sarcoma
  • Angiosarcoma (includes hemangiosarcoma and lymphangiosarcoma)
  • Clear cell sarcoma
  • Desmoplastic small round cell tumor
  • Epithelioid sarcoma
  • painful swallowing, and
  • headache.

Types of soft tissue sarcomas

  • Adult fibrosarcoma usually affects fibrous tissue in the legs, arms, or trunk. It is most common in people between the ages of 20 and 60, but can occur in people of any age, even in infants.
  • Alveolar soft-part sarcoma is a rare cancer that mostly affects young adults. These tumors most commonly occur in legs.
  • Angiosarcoma can develop either from blood vessels (hemangiosarcomas) or from lymph vessels (lymphangiosarcomas). These tumors sometimes start in a part of the body that has been treated with radiation. Angiosarcomas are sometimes seen in the breast after radiation therapy and in limbs with lymphedema.
  • Clear cell sarcoma is a rare cancer that often develops in tendons of the arms or legs. Under the microscope, it has some features of malignant melanoma, a type of cancer that develops from pigment-producing skin cells. How cancers with these features start in parts of the body other than the skin is not known.
  • Desmoplastic small round cell tumor is a rare sarcoma of adolescents and young adults, found most often in the abdomen.
  • Epithelioid sarcoma most often develops in tissues under the skin of the hands, forearms, feet, or lower legs. Adolescents and young adults are often affected.
  • Fibromyxoid sarcoma, low-grade is a slow growing cancer that most often develops as a painless growth in the trunk or arms and legs (particularly the thigh). It is more common in young to middle aged adults. It is also sometimes called an Evans’ tumor.