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Annotated abstract

Giant pilomatrixoma of the scapular region in a child

bmjcr · 2026-01-07 · canonical JSON source

4 visible annotations · policy: published · automated confidence ≥ 75.00%

Document resource

Pilomatrixoma is a benign adnexal tumour characterised by pathological hair matrix differentiation and is most commonly observed in children. It typically presents as a slow-growing, pink to purplish dermal nodule. Due to its low clinical diagnostic accuracy, pilomatrixoma is often misidentified as other tumours. This case highlights an atypical presentation of pilomatrixoma in a girl in early adolescence and underlines the importance of considering ultrasonography or proceeding directly to surgical excision for definitive diagnosis.