© Georg Thieme Verlag KG Stuttgart · New York
Treatment of intermittent intussusception in Peutz–Jeghers syndrome with single-balloon enteroscopy
26 November 2010 (online)
A 30-year-old woman with Peutz–Jeghers syndrome (PJS) had a known history of jejunal intussusception with partial resection of the jejunum 7 years previously. The PJS was under surveillance with regular polypectomy by colonoscopy every year in our hospital. She attended our department again with a 1 month history of intermittent upper abdominal cramping pain and bile-like vomitus. Single-balloon enteroscopy (SBE) showed transient intussusception in the proximal jejunum which was caused by a 3-cm broad-based polyp ([Fig. 1]).
Fig. 1 Transient intussusception in the proximal jejunum caused by a large polyp.
The intussusception was successfully reduced by inflating the jejunum using SBE. The single-balloon enteroscope was advanced to the distal jejunum where more than 10 polyps were also found. Polyps larger than 0.5 cm were resected. Total resection of the leading point of the intussusception, the broad-based polyp, was difficult, so partial polypectomy was done to prevent the risk of intussusception again ([Fig. 2]).
Fig. 2 The broad-based polyp after partial polypectomy.
We suggested surgical intervention, but patient refused because the symptoms had been relieved.
The patient continued well until 3 months after the procedure. She developed lower abdominal pain gradually, and abdominal computed tomography revealed a mass measuring 14.3 × 8.3 cm mass in the pelvic cavity. Explorative laparotomy revealed an ovarian teratoma. The residual broad-based polyp was also resected during laparotomy. Fifteen polyps (about 0.5 – 2 cm in size) in the jejunum and ileum were removed under intraoperative enteroscopy. Pathological analysis of these polyps showed hamartomatous polyps ([Fig. 3]).
Fig. 3 Histopathological examination showed a hamartomatous polyp.
PJS is characterized by multiple hamartomatous polyps throughout the entire gastrointestinal tract, most commonly in the small intestine. The most common symptoms of PJS in the small bowel are obstruction and/or intussusception . Surveillance of PJS with regular endoscopic polypectomy to prevent the bowel loss resulting from emergent resection was suggested in the past. The double-balloon enteroscopy (DBE) system was presented for the first time in 2001, and now we can perform small intestine evaluation and polypectomy for PJS more easily  . Another mode of balloon-assisted enteroscopy using a single balloon is a new technique (SBE) which is safe and easier to learn than DBE .
In our patient, the preceding surveillance of PJS with colonoscopy was inadequate. If balloon-assisted enteroscopy had been performed after the previous surgery 7 years ago, the large broad-based polyp might have been removed when it was relatively small. When polyps are in the small bowel and difficult to resection totally by enteroscopy, partial polypectomy might be considered to prevent the recurrence of intussusceptions.
Competing interests: None
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C.-W. Chang, MD
Division of Gastroenterology
Department of Internal Medicine
Mackay Memorial Hospital
No. 92, Sec. 2, Chung-Shan North Road