A case of aortoduodenal fistula occurring after surgery and radiation for pancreatic cancer

Masaki Kitajima, Shin Takahashi, Masakazu Ueda, Sojun Hoshimoto, Jun Koizumi, Kenji Matsumoto, Hidekazu Suzuki, Atsuya Takeda, Syoji Kutsuki, Hajime Okita, Jun Ichi Hata

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The patient was a 58-year-old woman given curative treatment (pancreatectomy (body and tail) + intraoperative irradiation (25 Gy)) on the basis of a diagnosis of pancreatic carcinoma. Having a favorable postoperative course, she was discharged 24 days after surgery. A week after discharge, she was readmitted for a hemorrhagic gastric ulcer. She was later discharged again on conservative treatment, and followed up at the outpatient clinic, but nine months postoperatively, was readmitted complaining of loss of appetite and abdominal pain. Subsequent tests revealed stricture of the horizontal portion of the duodenum with distension oral to the stricture. Around the celiac artery, the paraaortic lymph nodes were swollen, and a diagnosis of stricture due to recurrent pancreatic carcinoma was made. On the day before bypass surgery was scheduled, the patient vomited blood, so the operation was postponed, conservative treatment such as blood transfusion was administered, and emergency angiography was performed simultaneously. The findings were an aortic pseudoaneurysm 1 cm in diameter immediately below the origin of the superior mesenteric artery and between the left and right renal arteries, and a hemorrhage, caused by an aortoduodenal fistula, issuing from the horizontal portion of the duodenum. Hemostasis via a laparotomy was judged difficult, and so an indwelling stentgraft in the aorta was tried to stanch the blood, but without success. Another stent then had to be inserted within the first, thus stopping the flow, but the blood supply to the celiac artery, the superior mesenteric arteries and the renal arteries was impaired, and the patient died about six hours later. Postmortem examination revealed aortoduodenal fistula without recurrence of the carcinoma. The duodenal wall around the fistulous tract showed delayed radiation changes with deep ulceration. The intraoperative radiation may have played an important part in the formation of the fistula.

Original languageEnglish
Pages (from-to)35-44
Number of pages10
JournalKeio Journal of Medicine
Issue number1
Publication statusPublished - 2000 Mar

ASJC Scopus subject areas

  • General Medicine


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