Causes of Small Bowel Bleeding - Differential Diagnosis

Common Causes:

 • Under age 40 years: Inflammatory Bowel Disease, Dieulafoy's Lesions, Neoplasia, Meckel's diverticulum, Polyposis Syndromes

 • Over age 40 years: Angioectasia, Dieulafoy's lesions, Neoplasia, NSAID ulcers

Rare Causes: Henoch-Schoenlein purpura, Small bowel varices and/or portal hypertensive enteropathy, Amyloidosis, Blue rubber bleb nevus syndrome, Pseudoxanthoma elasticum, Osler-Weber-Rendu syndrome, Kaposi's sarcoma with AIDS, Plummer-Vinson syndrome, Ehlers-Danlos syndrome, Inherited syndromes (FAP, Peutz-Jeghers), Malignant atrophic papulosis, Hematobilia, Aorto-enteric fistula, Hemosuccus entericus



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