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Congenital panfollicular nevus is a rare, benign, skin tumor disorder characterized by the presence of congenital, large (few centimeters), elevated, well-circumscribed, pink-tan, multinodular, non-ulcerative, bosselated-surface skin lesions located on the neck, scalp or hand and which enlarge with time. Histologically, hamartomatous proliferation containing irregularly arranged, malformed hair follicles in various stages of development, surrounded by fibrous tissue and densely distributed within the dermis is observed.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
Data assembled from 2 of 12 sources · Last updated Sep 20, 2026, 3:05 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center