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CASE PRESENTATION A 24-year-old man presented with 3 months of becoming easily fatigued and occasional blackish-colored stools. A complete blood count taken 1 week before presentation revealed anemia with a hemoglobin of 8.5 g/dL and thrombocytosis (platelet count of 5/mm3), suggesting iron deficiency. The mean corpuscular volume was 70 fL, and iron profile revealed an iron saturation of 10%. The serum tissue transglutaminase antibodies were negative and stool examination revealed no ova or cysts. The patient was a nonsmoker and a nonalcoholic, and there was no family history of iron deficiency or similar complaints. The patient had no other chronic illness and was not on any medications. Because of the presence of iron deficiency anemia with blackish stools, a gastrointestinal cause of anemia was suspected and esophagogastroduodenoscopy was performed. Endoscopy revealed multiple reddish lesions in the stomach (Figures 1 and 2) consistent with gastric angiodysplasias. Further evaluation, including push enteroscopy and colonoscopy, did not reveal similar lesions elsewhere. Capsule endoscopy of the small bowel using a Pillcam SB2 (Medtronic, Minneapolis, MN) was normal. Endoscopic banding was done for these lesions. The patient underwent repeat endoscopy 2 months later, and no angiodysplasias were seen in the stomach. He remains well. At last measurement his hemoglobin level was 14 g/dL.

Image Diagnosis: Unusual Cause of Gastrointestinal Bleeding in a Young Man: Isolated Gastric Angiodysplasias