Darier's disease (DAR), also known as
Darier disease,
Darier–White disease,
Dyskeratosis follicularis and
Keratosis follicularis, is an
autosomal dominant disorder discovered by French
dermatologist Ferdinand-Jean Darier. Darier's is characterized by dark crusty patches on the skin, sometimes containing
pus. The crusty patches are also known as keratotic
papules, keratosis follicularis or dyskeratosis follicularis.