A 6-month-old girl presented with an irregular nodule on the right lateral neck. The lesion, which superficially resembled a lymphangioma or mastocytoma, had been present since birth but had recently been growing. The patient was referred for surgical resection. Microscopic findings were compatible with a recently described rare hamartoma termed " panfollicular nevus," which is a well-circumscribed lesion containing aberrantly differentiated, clustered hair follicles in high density.
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