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Symptoms and Signs - Differential Diagnosis of Lower Gastrointestinal Bleeding
• Volvulus
• Vascular abnormalities: angiodysplasia, vascular ectasia
• Uremic colitis
• Trauma, foreign body
• Solitary rectal/cecal ulcers
• Small bowel neoplasm: leiomyomas, carcinoids
• Polyarteritis nodosa
• Other: pancreaticoenteric fistulas, Henoch-Schönlein purpura, Ehlers-Danlos syndrome, systemic lupus erythematosus (SLE), amyloidosis, metastatic melanoma
• Meckel’s diverticulum and other small intestine diverticula
• Lymphoma of small bowel, sarcoma, Kaposi’s sarcoma
• Lymphoma of large bowel
• Long-distance running
• Ischemic colitis
• Ischemic bowel disease (mesenteric thrombosis, embolism, vasculitis, trauma)
• Irradiation ileitis
• Irradiation colitis
• Intussusception
• Intestinal hemangiomas: blue rubber bleb nevi, intestinal hemangiomas, cutaneous vascular nevi
• Inflammatory bowel disease (IBD)
• Infectious colitis
• Infections of small bowel: tuberculous enteritis, enteritis necroticans
• Hereditary hemorrhagic telangiectasia (Rendu-Osler-Weber syndrome)
• Hemorrhoids
• Hamartomatous polyps: Peutz-Jeghers syndrome (intestinal polyps, mucocutaneous pigmentation)
• Diverticular disease
• Colonic polyps
• Carcinoma (particularly left colon)
• AV malformation of small intestine
• Aortoenteric fistula
• Anal fissure
• Volvulus
• Vascular abnormalities: angiodysplasia, vascular ectasia
• Uremic colitis
• Trauma, foreign body
• Solitary rectal/cecal ulcers
• Small bowel neoplasm: leiomyomas, carcinoids
• Polyarteritis nodosa
• Other: pancreaticoenteric fistulas, Henoch-Schönlein purpura, Ehlers-Danlos syndrome, systemic lupus erythematosus (SLE), amyloidosis, metastatic melanoma
• Meckel’s diverticulum and other small intestine diverticula
• Lymphoma of small bowel, sarcoma, Kaposi’s sarcoma
• Lymphoma of large bowel
• Long-distance running
• Ischemic colitis
• Ischemic bowel disease (mesenteric thrombosis, embolism, vasculitis, trauma)
• Irradiation ileitis
• Irradiation colitis
• Intussusception
• Intestinal hemangiomas: blue rubber bleb nevi, intestinal hemangiomas, cutaneous vascular nevi
• Inflammatory bowel disease (IBD)
• Infectious colitis
• Infections of small bowel: tuberculous enteritis, enteritis necroticans
• Hereditary hemorrhagic telangiectasia (Rendu-Osler-Weber syndrome)
• Hemorrhoids
• Hamartomatous polyps: Peutz-Jeghers syndrome (intestinal polyps, mucocutaneous pigmentation)
• Diverticular disease
• Colonic polyps
• Carcinoma (particularly left colon)
• AV malformation of small intestine
• Aortoenteric fistula
• Anal fissure
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