title: Ascarideal perforation of colon.
mesh_terms: D001198:Ascaridiasis / Q000469:parasitology; D002648:Child; D003108:Colonic Diseases / Q000209:etiology*; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology* / Q000469:parasitology; D008297:Male; D009349:Nematode Infections / Q000469:parasitology