Clin Should Elbow.  2021 Mar;24(1):32-35. 10.5397/cise.2020.00192.

Angioleiomyoma masquerading as shoulder pain

Affiliations
  • 1Department of Orthopedics, VPS Lakeshore Hospital, Kochi, India
  • 2Department of Pathology, VPS Lakeshore Hospital, Kochi, India

Abstract

Angioleiomyoma is a benign soft tissue tumor originating from vascular smooth muscle. We report a case of a 20-year-old student who presented with pain in the right shoulder of 4 years duration. Shoulder movements were pain-free throughout the range of motion except resisted external rotation. Magnetic resonance imaging visualized a well-circumscribed lesion over the infraspinatus tendon. The lesion was surgically removed and sent for histopathological analysis. Morphology and immunohistochemistry results were suggestive of angioleiomyoma. The most common location for such a lesion is the lower limb, with less than 1% being reported in the upper arm, of which an angioleiomyoma of the shoulder is extremely rare.

Keyword

Angioleiomyoma; Perivascular tumor; Shoulder tumor
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