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abdomen, but it can be found in other parts of the body, in the retroperitoneum; and, less often, in the head and neck area. Their primary occurrence in the skin is rare. Because a liposarcoma may grow into surrounding tissues or organs, it is considered a malignant tumor. The World Health Organization classification of soft tissue tumors recognizes 5 types of liposarcomas: Well differentiated, which includes the adipocytic, sclerosing, and inflammatory subtypes; dedifferentiated; myxoid; round cell; and pleomorphic. Most patients with liposarcoma have no symptoms until the tumor is large and invades the neighboring organs or tissues, causing tenderness, pain, or functional problems. Although surgical removal of the tumor is the curative treatment, some patients may benefit from chemotherapy and radiation.Liposarcoma is a tumor that arises from fat tissue. This tumor often occurs in the thigh, legs, behind the knee, or in the
Last updated: 6/23/2016
- Sarcoma - Adult Soft Tissue Cancer. American Cancer Society. July 6, 2010; http://www.cancer.org/Cancer/Sarcoma-AdultSoftTissueCancer/DetailedGuide/sarcoma-adult-soft-tissue-cancer-soft-tissue-sarcoma. Accessed 2/14/2011.
- Schwartz RA. Liposarcoma. Medscape Reference. February, 2016; http://emedicine.medscape.com/article/1102007-overview.
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- The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.