Mondo Description A rare genetic skin keratinization disorder with an autosomal dominant mode of inheritance. It is characterized by numerous flesh-colored warty papules on the back of the hands, medial aspect of the feet, knees, and elbows.

Uniprot Description A localized disorder of keratinization, which is inherited as an autosomal dominant trait. Its onset is early in life with multiple flat-topped, flesh-colored papules on the hands and feet, punctate keratoses on the palms and soles, with varying degrees of nail involvement. The histopathology shows a distinctive pattern of epidermal features with hyperkeratosis, hypergranulosis and acanthosis together with papillomatosis. These changes are frequently associated with circumscribed elevations of the epidermis that are said to resemble church spires. There are no features of dyskeratosis or acantholysis, the typical findings in lesions of Darier disease.

Disease Ontology Description A keratosis that has_material_basis_in mutations in the ATP2A2 gene.