Severe calcification of mucocutaneous and gastrointestinal tissues induced by high dose administration of vitamin D in a puppy.

A three-month-old male Bull Terrier was referred to the Animal Medical Centre, Nihon University with chief complaints of subacute emesis and lethargy. Severe leukocytosis, high CRP, hypercalcemia and hypochloremia were detected. Moreover, severe calcification of gingival mucosa and abdominal skin, and abnormalities of the skeletal system were discerned.