/familial progressive hyperpigmentation

familial progressive hyperpigmentation

Rare Disease

MONDO:0013648

Also Known As

melanosis diffusa congenitamelanosis universalis hereditariauniversal melanosisFPH1Fphhyperpigmentation, familial progressive, 1

Definition

Familial progressive hyperpigmentation is a rare, genetic, skin pigmentation anomaly disorder characterized by irregular patches of hyperpigmented skin which present at birth or in early infancy and increase in size, number and confluence with age. Affected areas of the body include the face, neck, trunk and limbs, as well as the palms, soles, oral mucosa and conjuctiva. No hypogmentation macules are observed and no systemic diseases are associated.