idiopathic inflammatory bowel disease
Idiopathic inflammatory bowel disease. A term of art for a case of inflammatory bowel disease, which is known to be either ulcerative colitis or Crohnâs disease, but for which the diagnosis cannot be neatly classified as one or the other diagnosis. Idiopathic inflammatory bowel disease. 2  idiopathic intracranial hypertension. 3  idiopathic megacolon. 4  idiopathic midline destructive disease. 5  idiopathic multiple pigmented hemorrhagic sarcoma. 6  idiopathic muscular atrophy. 7  idiopathic myocarditis. 8  idiopathic necrotizing crescentic glomerulonephritis.