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Leiomyosarcoma of the Orbit: A Case Report and Review of the Literature

Leiomyosarcoma has been rarely encountered in the orbit. Leiomyosarcoma may arise as a primary tumor in the orbit, metastasize from distant sites to the orbit, extend into the orbit from the paranasal sinuses, or appear after radiation therapy to the orbit. The 43-year-old female patient described in this paper underwent excision of a leiomyosarcoma in the subcutaneous tissue of the buttock. Seven years later, a leiomyosarcoma in the medial orbit was removed. The clinical course of this patient's disease was similar to that of other subcutaneous leiomyosarcomas documented in the literature. Gynecological history was remarkable for a leiomyoma of the uterus, an interesting association found in at least one other case in the literature. This was the third documented case of metastatic leiomyosarcoma in the orbit.