Gastrointestinal Causes of Iron Deficiency Anemia • Mass lesions: Carcinoma, Large polyps • Inflammatory: Reflux esophagitis, Cameron lesions, Erosive gastritis, Gastric ulcer, Duodenal ulcer, SB or colon ulcer, Celiac sprue, Whipple's disease, Meckel's diverticulum, Idiopathic ulcers, Crohn's disease, Ulcerative colitis • Vascular: Vascular ectasia(s), Portal hypertensive lesions, Watermelon stomach, Hemangiomas, Blue rubber bleb nevus syndrome • Infectious and Miscellaneous: Hookworm, Hemoptysis, Epistaxis, Stronglyoidiasis , Amebiasis, Ascariasis, Tuberculous enterocolitis, Long-distance running, Factitious #Gastrointestinal #Iron #Deficiency #Anemia #Causes #differential #diagnosis
