[A girl with hyperkeratotic patches on the skin]. / Een meisje met hyperkeratotische plekken op de huid.

A 5-year-old girl with generalized verrucous hyperkeratosis consulted the dermatologist for diagnosis and therapy. Further physical and mental development were normal. Gene analysis of keratin 1 and 10 was negative. According to the clinical findings, the diagnosis ichthyosis hystrix was made. Treatment with oral vitamin-A was suggested to the family.