Hereditary acrokeratotic poikiloderma

Hereditary acrokeratotic poikiloderma, also known as Weary-Kindler syndrome or Kindler syndrome (though distinct from the more commonly referenced Kindler syndrome associated with FERMT1 mutations), is a rare inherited skin disorder characterized by the combination of poikiloderma and acrokeratosis. Poikiloderma refers to a pattern of skin changes that includes areas of increased and decreased pigmentation (hyper- and hypopigmentation), skin atrophy (thinning), and telangiectasia (small dilated blood vessels visible on the skin surface). Acrokeratosis refers to thickening of the skin (keratosis) on the extremities, particularly the hands and feet. These skin findings typically develop in early childhood and may progressively worsen over time. The condition primarily affects the integumentary system (skin). Key clinical features include widespread poikilodermatous changes on sun-exposed and non-exposed areas, keratotic (thickened) papules and plaques on the dorsal hands, feet, elbows, and knees, and photosensitivity in some patients. Additional features may include nail dystrophy, mild blistering in infancy, and mucosal involvement. The skin changes can be cosmetically significant and may cause discomfort. There is no specific curative treatment for hereditary acrokeratotic poikiloderma. Management is primarily supportive and symptomatic, including sun protection, emollients, and careful monitoring of skin lesions. Retinoids have been tried in some cases with variable results. Regular dermatologic follow-up is recommended to monitor for any complications.

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