Journal of Korean Society of Ultrasound in Medicine 2010;29(3): 189-192.
Gastroduodenal Intussusception Caused by a Peutz-Jeghers Polyp in a Young Child: A Case Report.
Jae Eun Roh, Bum Sang Cho, Seung Young Lee, Min Hee Jeon, Ji Hyuk Lee, Ho chang Lee, Ji Hae Koo
1Department of Radiology, College of Medicine and Medical Research Institute, Chungbuk National University, Korea. sircircle@hanmail.net
2Department of Pediatrics, College of Medicine and Medical Research Institute, Chungbuk National University, Korea.
3Department of Pathology, College of Medicine and Medical Research Institute, Chungbuk National University, Korea.
  Published online: September 1, 2010.
ABSTRACT
Gastroduodenal intussusception is a rare condition caused by the prolapse of a gastric tumor with subsequent invagination of a portion of the gastric wall into the duodenum. Various gastric lesions including adenoma, lipoma, leiomyoma, hamartoma, adenocarcinoma, gastrointestinal stromal tumor (GIST), and as in our case a Peutz-Jeghers polyp, can serve as a lead point of intussusception. Only three cases of gastroduodenal intussusception secondary to a Peutz-Jeghers polyp have been reported. We experienced a case of gastroduodenal intussusception in a 36-month-old boy who presented with intermittent nonbilious vomiting, abdominal pain, and anemia. An abdominal ultrasound and contrast enhanced CT scan showed gastrointestinal intussusception and a mass-like lesion in the second portion of duodenum. A laparotomy revealed a 7x8 cm sized mass at the gastric body, which was pathologically confirmed as a Peutz-Jeghers polyp.
Keywords: USG; Computed tomography (CT); Stomach; Intussusception; Peutz-Jeghers polyp
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