Spontaneous remission of cryptosporidiosis in a child with acute lymphocytic leukemia.

Cryptosporidiosis has been documented in pediatric patients with various forms of congenital and acquired immunodeficiency. This is a report of cryptosporidiosis in a child with acute lymphocytic leukemia. Cryptosporidiosis, an uncommon cause of diarrhea, may produce severe diarrhea in children with acute lymphocytic leukemia.