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A rare pigmentation anomaly of the skin characterized by otherwise asymptomatic hyperpigmentation of the skin over the dorsal side of fingers and toes which may rapidly spread towards proximal regions like genitals abdomen and thighs. It is mostly seen in newborns or during the first years of life.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.

Reference: Access aggregated data from Orphanet at Orphadata.

Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: // Data version September 2023.

Newly diagnosed with

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Clinical Trials

For a list of clinical trials in this disease area, please click here.