Primary aortoduodenal fistula due to a swallowed sewing needle: a rare cause of gastrointestinal bleeding.


A primary fistula between the abdominal aorta and the duodenum is rare and usually fatal. Atherosclerosis remains the most common etiologic factor, accounting for more than two-thirds of the cases reported. Other etiologies include carcinoma, ulcers, radiation, aortitis and foreign bodies including sewing needle, cocktail stick, open safety pin and fishbone… (More)


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