A rare case of glomus tumor of the thigh
Glomus tumors (GTs) are rare, benign tumors developing from a neuro-myo-arterial structure. Their typical location is in the hand, but they may develop anywhere else. Extra-digital GTs, like the location in the thigh, are rare and much more difficult to diagnose. They are usually misdiagnosed and unproperly treated, due to the absence of the typical symptoms.

Published in the Journal of Orthopaedic Case Reports, the authors report a case of a GT of the thigh in a 25-year-old female, presenting with a painful mass on the posterior side of her left thigh, evolving for 15 months.

She was suffering from pain and hyperesthesia of the underlying skin exacerbated by movements. The patient was successfully treated by excisional biopsy.

The authors further discuss the diagnostic difficulties and the treatment of extra-digital Gts.

Learning Points:-
- Gts of the thigh represent an exceptional location of extra-digital Gts, very rare themselves.

- Pain, hypersensitivity to cold, and severe amyotrophy should raise suspicion for Gts.

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