• Hyung Jun Kwon, Jung Guen Cha, and Jinyoung Park.
• Department of Surgery, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, South Korea.
• Medicine (Baltimore). 2024 Apr 26; 103 (17): e37978e37978.

RationaleVisceral artery aneurysm is a rare and potentially fatal vascular condition that typically affects the superior mesenteric or inferior mesenteric arteries, the splenic, hepatic, and celiac arteries, as well as their branches. Visceral artery aneurysms can usually be treated using endovascular intervention, open surgery, or percutaneous thrombin injection.Patient ConcernsA 9-year-old girl was admitted to our trauma center with abdominal and bilateral leg pain after a car accident involving a head-on collision.DiagnosisAbdominal computed tomography (CT) showed bowel herniation through a muscle defect in the left lateral abdominal wall. There was a small amount of fluid around the liver and spleen, mild thickening of the small bowel wall, and infiltration in the small bowel mesentery, indicating the possibility of small bowel injury.InterventionsEmergent exploratory laparotomy was performed. After resection of the ischemic parts of the terminal ileum and sigmoid colon, intestinal continuity was reestablished. Primary repair was performed on a traumatic left lateral abdominal wall hernia. She recovered well postoperatively without any complications. A follow-up abdominal CT scan after 2 months showed a pseudoaneurysm of the ileal branch of the superior mesenteric artery. Despite the absence of any gastrointestinal symptoms, the pseudoaneurysm was treated by endovascular intervention using numerous coils because of the significant risk of delayed rupture or massive bleeding.OutcomesFollow-up abdominal CT scan after 6 months showed complete occlusion and resorption of the pseudoaneurysm.LessonsAlthough it is technically challenging, endovascular coil embolization may be a feasible technique in children with traumatic visceral artery pseudoaneurysms without complications.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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