Hemosuccus pancreaticus, which is generally due to the rupture of a splenic artery aneursym into the pancreatic duct, is a rare cause of intermittent upper gastrointestinal hemorrhage. Segmental arterial mediolysis (SAM) is a rare arteriopathy. We report a 53-year-old man with hemosuccus pancreaticus due to a splenic artery aneurysm associated with SAM. The patient, who also had a celiac artery aneurysm affected by SAM, was successfully treated by both coil embolization and aortic stent grafting for complete coverage of the celiac artery. SAM is a very rare cause of hemosuccus pancreaticus, and endovascular treatment may be favorable for hemosuccus pancreaticus.
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