Uterine sarcomas are a rare, heterogeneous group of neoplasms, which account for approximately 1 % of all female genital tract malignancies and 3–5 % of malignant uterine tumors . The tumors are derived from the mesenchymal components of the uterus, consisting of endometrial stroma, smooth muscle and blood vessels, or admixtures of these (referred to as homologous elements). Rarely the tumors may contain tissue types not normally seen in the uterus, such as striated muscle, cartilage, or bone (referred to as heterologous elements). Compared with the more common endometrial carcinomas, uterine sarcomas behave more aggressively and are associated with a poorer prognosis with a high rate of local recurrence and/or metastasis. The lack of consensus, on treatment options and risk factors for poor outcome, is largely due to the rarity of these tumors and their histopathological diversity. The classification and staging of these tumors were revised in 2014 and 2009, respectively.
KeywordsUterine Sarcoma Smooth Muscle Tumor Endometrial Stromal Sarcoma Alveolar Soft Part Sarcoma Abnormal Vaginal Bleeding
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