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Updated: Apr 7, 2026

Author Spotlight: Advancements in Retroperitoneal Approach for Necrotizing Pancreatitis
Published on: March 15, 2024
Retroperitoneal abscess associated with a perforated duodenal ulcer
Ai Sadatomo1, Koji Koinuma2, Toru Zuiki2
1Department of Surgery, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan. r0626as@jichi.ac.jp.
Abstract:
Retroperitoneal abscess after duodenal ulcer perforation is a rare condition. A 71-year-old woman was admitted with 1 month of appetite loss and back pain. Abdominal computed tomography scan showed a retroperitoneal mass behind the third and fourth portions of the duodenum. Single-balloon enteroscopy revealed erosion of the third portion of the duodenum with leakage of contrast agent into the retroperitoneal space. Based on a preoperative diagnosis of retroperitoneal abscess after duodenal perforation, laparotomy was performed. Partial duodenectomy with a duodeno-jejunal anastomosis was performed, and her postoperative course was uneventful. Pathology showed an ulcer with no specific findings.
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