title: Sigmoidal ulcer as a cause of acute colonic obstruction.
abstract: A case of primary nonspecific ulceration of the sigmoid colon initially manifesting as acute colonic obstruction is presented. Other possible etiologies of acute sigmoidal obstruction are discussed.
mesh_terms: D000368:Aged; D012809:Colon, Sigmoid; D003108:Colonic Diseases / Q000150:complications / Q000209:etiology; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology*; D014456:Ulcer / Q000150:complications*