LAST UPDATED: Jan 21, 2021
Sarcomas are a rare and diverse group of cancers thought to have a common embryological origin. They arise from cells that make up the connective tissue structure, including bone, cartilage, muscle, blood vessels, nerves and fat. Sarcomas can be broadly divided into those of bone and soft tissue sarcomas (STS).
STS account for about 1% of all malignant tumours. Benign soft tissue tumours outnumber malignant by at least a factor of 100. STS can occur anywhere that connective tissue is present and the signs and symptoms vary greatly depending on the anatomical site, as do the treatment options and prognosis. STS increase in frequency with age. Early diagnosis and treatment are key to improving survival rates.
From a dermatological perspective STS can present in a number of ways including bruise-like lesions; rapidly expanding nodules; and larger, deep lumps that show persistent growth.
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