Hyperkeratosis-hyperpigmentation syndrome describes a very rare hyperpigmentation of the skin characterized by tiny hyperpigmented spots mainly on skin exposed to sunlight together with mild punctate palmoplantar papular hyperkeratosis as a major feature. There have been no further descriptions in the literature since 1993.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version February 2024
Newly diagnosed with
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.