Deep Soft Tissue Leiomyoma of the Lower Extremities: a Case Report

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Abstract

Leiomyomas, which are seldom reported as occurring in the lower extremities, arise from smooth muscle cells and are chiefly classified as cutaneous, vascular (angiomyoma), and deep soft tissue leiomyomas. Somatic and gynaecologic subtypes constitute soft tissue leiomyomas. Somatic ones uncommonly arise in the deep soft tissue of the extremities.

We report the case of a 49-year-old woman who presented with the primary complaint of a painful mass on the front of the superior part of the left tibialis anterior muscle. After total excision of the encapsulated mass, histopathologic evaluation revealed the characteristic appearance of leiomyoma. Clinical follow-up for 17 months assigned no evidence of local recurrence or distant metastasis.

Although deep soft tissue leiomyomas of the lower extremities are rare, they should be included in the differential diagnosis of any lower extremity mass. Surgical excision provides both diagnosis and treatment and recurrence is rare.

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