Abstract
Enteric duplication cysts are rare malformations mostly diagnosed before the age of two, with varied clinical presentations. Ectopic gastrointestinal epithelium can be present, and management involves surgical resection. A three-month-old girl presented with rectal bleeding due to an ileocolic intussusception. Abdominal ultrasound revealed a target sign in the right upper part of the abdomen. At hydrostatic contrast enema, an incomplete reduction of the intussusception was obtained: only a trickle of contrast material entered the terminal ileum. An exploratory laparotomy ensued with manual reduction of the intussusception. At the end of the maneuver, a soft intraluminal mass was palpated within the ileocecal valve. Thus, an ileocecal resection was performed. At histology, an intraluminal enteric duplication cyst was documented, containing ectopic gastric mucosa. Secondary intussusception should be suspected even in infants in case of abnormal findings at hydrostatic contrast enema. Intraluminal enteric duplication cysts may be a rare cause of intussusception.
Highlights
Enteric duplication cysts are rare malformations mostly diagnosed before the age of two, with varied clinical presentations
Enteric duplication cysts are a rare congenital anomaly with varied clinical presentations that require surgical resection for definitive treatment [1]; the reported incidence is 1 in 4500. e majority (80%) of these lesions is diagnosed before the age of two and can occur anywhere from the oropharynx to the anus
We present the case of an intussusception due to a duplication cyst containing gastric mucosa that was entirely intraluminal
Summary
Intraluminal Duplication of the Terminal Ileum with Ectopic Gastric Mucosa in an Infant: A Rare Cause of Intussusception. Enteric duplication cysts are rare malformations mostly diagnosed before the age of two, with varied clinical presentations. Ectopic gastrointestinal epithelium can be present, and management involves surgical resection. An incomplete reduction of the intussusception was obtained: only a trickle of contrast material entered the terminal ileum. At the end of the maneuver, a soft intraluminal mass was palpated within the ileocecal valve. An intraluminal enteric duplication cyst was documented, containing ectopic gastric mucosa. Secondary intussusception should be suspected even in infants in case of abnormal findings at hydrostatic contrast enema. Intraluminal enteric duplication cysts may be a rare cause of intussusception
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