Segmental neurofibromatosis: a rare variant of a common genodermatosis.

Segmental neurofibromatosis is a rare disorder characterized by features of neurofibromatosis type 1 circumscribed to a particular body segment. This entity is considered to be the result of a somatic mosaicism and is still under-diagnosed. We report a case of segmental neurofibromatosis and give a brief and up-to-date overview of the disease.