Occult blood
Template:Search infobox Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Luke Rusowicz-Orazem, B.S.
Overview
Occult blood is blood in the feces in amounts that cannot be seen by the eye however it can be detected through tests.
Causes[1][2]
Life Threatening Causes
- Carcinoma
- Erosive gastritis
- Gastric carcinoma
- Gastrointestinal trauma
- Gastrointestinal tumor
- Infections
- Neoplasia
- Portal hypertension
- Tuberculous enterocolitis
Common Causes
- Anal fissures
- Angiodysplasia of the colon
- Angioectasia
- Aortoenteric fistula
- Cameron lesions
- Celiac sprue
- Colon polyps
- Crohn's disease
- Dieulafoy lesions
- Diverticula
- Duodenal ulcer
- Erosive gastritis
- Esophageal varices
- Gastric antral vascular ectasia
- Gastric carcinoma
- Gastric ulcer
- Gastrointestinal trauma
- Gastrointestinal tumor
- Hemorrhoids
- Hiatal hernia
- Inflammatory bowel disease
- Intestinal polyposis
- Meckel’s diverticulum
- Oropharyngeal
- Plummer-vinson syndrome
- Reflux esophagitis
- Small bowel varices
- Ulcerative colitis
- Vascular ectasia
- Whipple disease
Causes by Organ System
Causes in Alphabetical Order
- Amebiasis
- Amyloidosis
- Anal fissures
- Angiodysplasia of the colon
- Angioectasia
- Aortoenteric fistula
- Arteriovenous malformation
- Ascariasis
- Blue rubber bleb nevus syndrome
- Cameron lesions
- Carcinoma
- Celiac sprue
- Colon polyps
- Crohn's disease
- Dieulafoy lesions
- Diverticula
- Duodenal ulcer
- Ehlers-danlos syndrome
- Epistaxis
- Erosive gastritis
- Esophageal varices
- Factitious
- Fissures
- Gastric antral vascular ectasia
- Gastric carcinoma
- Gastric ulcer
- Gastrointestinal trauma
- Gastrointestinal tumor
- Gm-csf therapy
- Hemangiomas
- Hematobilia
- Hemoptysis
- Hemorrhoids
- Hemosuccus entericus
- Hereditary hemorrhagic telangiectasia
- Hiatal hernia
- Hookworm
- Idiopathic cecal ulcer
- Infections
- Inflammation
- Inflammatory bowel disease
- Inherited polyposis syndromes
- Intestinal polyposis
- Kaposi sarcoma
- Loeffler's syndrome
- Malignant atrophic papulosis
- Mass lesions
- Meckel’s diverticulum
- Neoplasia
- Nsaids
- Oropharyngeal
- Plummer-vinson syndrome
- Polyposis syndromes
- Portal hypertension
- Prolonged running
- Pseudoxanthoma elasticum
- Reflux esophagitis
- Small bowel varices
- Strongyloidiasis
- Tuberculous enterocolitis
- Ulcerative colitis
- Ulcers
- Vascular ectasia
- Whipple disease