Early-stage pilomatricoma with cystic features: A case report and literature review

초록

A conventional pilomatricoma presents as an asymptomatic, firm, subcutaneous nodule, commonly in the head, neck, and extremities of the paediatric population. However, its variants show diverse clinical features, which often pose a diagnostic challenge to clinicians. We recently treated an unusual case of pilomatricoma with cystic features in the upper chest of a 9-year-old girl, which manifested as a single solid tumour floating in a serous-filled sac formed by thick fibrous tissue. Herein, we present novel clinicopathological features of an early-stage pilomatricoma that should be clinically differentiated from a cutaneous abscess.

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