Dermatopathia pigmentosa reticularis

A rare, genetic, ectodermal dysplasia characterized by a widespread, early-onset, reticulate hyperpigmentation that persists throughout life, mild, diffuse non-cicatricial alopecia, and onychodystrophy. There are no dental anomalies. Patients may also present with adermatoglyphia, palmoplantar hyperkeratosis, acral dorsal blistering, and hypohidrosis or hyperhidrosis.