[Segmental neurofibromatosis].

Two additional cases of segmental neurofibromatosis (type V) are reported. This form of neurofibromatosis is manifested by neurofibromas or cafe-au-lait spots in a dermatomal or segmental distribution. Previously reported cases are reviewed. Their clinical manifestations, prognosis and the relationship between the classical neurofibromatosis and segmentary neurofibromatosis are discussed.