Rare causes of occult small intestinal bleeding, including aortoenteric fistulas, small bowel tumors, and small bowel ulcers. 1996

R M Bashir, and F H al-Kawas
Department of Medicine, Georgetown University Medical Center, Washington, DC, USA.

The most common cause for gastrointestinal bleeding of small bowel origin is angiodysplasia, followed by tumors of the small intestine, and various other causes, including small bowel ulcers and aortienteric fistulas. With the advent of improved diagnostic tests, including push and sonde enteroscopy, timely endoscopic diagnosis of these rare small bowel lesions has become possible, enabling the clinician to make better therapeutic decisions. This article focuses on the rare small bowel sources of intermittent and chronic gastrointestinal blood loss.

UI MeSH Term Description Entries
D007410 Intestinal Diseases Pathological processes in any segment of the INTESTINE from DUODENUM to RECTUM. Disease, Intestinal,Diseases, Intestinal,Intestinal Disease
D007414 Intestinal Neoplasms Tumors or cancer of the INTESTINES. Cancer of Intestines,Intestinal Cancer,Cancer of the Intestines,Intestines Cancer,Intestines Neoplasms,Neoplasms, Intestinal,Cancer, Intestinal,Cancer, Intestines,Cancers, Intestinal,Cancers, Intestines,Intestinal Cancers,Intestinal Neoplasm,Intestines Cancers,Intestines Neoplasm,Neoplasm, Intestinal,Neoplasm, Intestines,Neoplasms, Intestines
D007421 Intestine, Small The portion of the GASTROINTESTINAL TRACT between the PYLORUS of the STOMACH and the ILEOCECAL VALVE of the LARGE INTESTINE. It is divisible into three portions: the DUODENUM, the JEJUNUM, and the ILEUM. Small Intestine,Intestines, Small,Small Intestines
D009780 Occult Blood Chemical, spectroscopic, or microscopic detection of extremely small amounts of blood. Fecal Occult Blood Test,Blood, Occult
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D005402 Fistula Abnormal communication most commonly seen between two internal organs, or between an internal organ and the surface of the body. Fistulas
D006471 Gastrointestinal Hemorrhage Bleeding in any segment of the GASTROINTESTINAL TRACT from ESOPHAGUS to RECTUM. Hematochezia,Hemorrhage, Gastrointestinal,Gastrointestinal Hemorrhages,Hematochezias
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014456 Ulcer A lesion on the surface of the skin or a mucous surface, produced by the sloughing of inflammatory necrotic tissue. Ulcers
D016099 Endoscopy, Gastrointestinal Endoscopic examination, therapy or surgery of the gastrointestinal tract. Endoscopic Gastrointestinal Surgical Procedures,Surgical Procedures, Endoscopic Gastrointestinal,Endoscopic Gastrointestinal Surgery,Gastrointestinal Endoscopic Surgical Procedures,Procedure, Endoscopic Gastrointestinal, Surgical,Procedure, Gastrointestinal Endoscopic Surgical,Procedures, Endoscopic Gastrointestinal, Surgical,Procedures, Gastrointestinal Endoscopic Surgical,Surgical Procedure, Endoscopic Gastrointestinal,Endoscopic Gastrointestinal Surgeries,Endoscopies, Gastrointestinal,Gastrointestinal Endoscopies,Gastrointestinal Endoscopy,Gastrointestinal Surgeries, Endoscopic,Gastrointestinal Surgery, Endoscopic,Surgeries, Endoscopic Gastrointestinal,Surgery, Endoscopic Gastrointestinal

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