Deep somatic soft tissue leiomyoma is a rare benign smooth muscle tumor, with around 60 cases reported thus far in the literature. Herein, we report a huge leiomyoma in deep somatic soft tissue with massive calcification in the peroneus longus muscle. A 29-year-old male patient presented with a hard, spindle-shaped, 15-cm-diameter mass of the left lower leg. Plain radiography showed marked calcification within the lesion, and magnetic resonance imaging revealed a well-circumscribed lesion with strong contrast enhancement within the peroneus longus. A core needle biopsy was performed to rule out a soft tissue sarcoma, and deep somatic soft tissue leiomyoma was preoperatively diagnosed. A marginal excision was performed, and the patient recovered without event and has been recurrence-free for 16 months. As far as we know, the present soft tissue leiomyoma was one of the largest to be documented, the previously reported cases being up to 14 cm in maximum diameter. Leiomyomas of deep somatic soft tissue should be included in the differential diagnosis of a huge, deep-seated tumor with marked calcification as well as sarcomas, especially in younger patients.
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| http://dx.doi.org/10.1177/2050313X231197529 | DOI Listing |
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