NATURAL-HISTORY OF A SPONTANEOUS DISSECTING ANEURYSM OF THE PROXIMAL SUPERIOR MESENTERIC-ARTERY - REPORT OF A CASE

We report herein the case of a 44-year-old man in whom an asymptomatic dissecting aneurysm was found in the proximal part of the superior me senteric artery (SMA) during a preoperative evaluation for colon cance r. The patient was managed conservatively with blood pressure control during the perioperative period of the colon resection as the false lu men of the dissecting aneurysm was revealed to be completely occluded by thrombus, The thrombus in the false lumen continued to be absorbed until 1 month after surgery. The patient is currently well 4 years aft er his operation without any evidence of recurrence of the aneurysm.