<prompt> K-F ring is seen in:Wilson diseaseVon Gierke diseasePhenylketonuriaDiabetes  <response>: a. Wilson diseaseRef: Nelsons 20e p 1939-1940, Ghai 8e p 320-321Wilson disease hepatolenticular degeneration is an autosomal recessive disorder characterized by degenerative changes in the brain, liver disease, and Kayser-Fleischer rings in the cornea. 