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A 74-year-old male presented with abdominal cramping and emesis. A CT and colonoscopy revealed dilated jejunum and ileum due to advanced cecal cancer. A long intestinal tube was progressed via nasogastric route for intestinal decompression, and the patient’s symptoms were temporarily relieved. On day 7, the patient again developed signs and symptoms of obstruction. A repeated CT scan revealed that the ileum was almost decompressed but a severe jejuno-jejunal intussusception associated with the long tube was observed (figure 1). Due to the patient’s clinical deterioration, abdominal exploration was performed and, in addition to a cecal mass, a severe antegrade jejuno-jejunal intussusception with pressure necrosis around the tube was separately found (figure 2). Right hemi-colectomy and partial jejunal resection were performed. After stormy postoperative course, the patient developed severe aspiration pneumonitis and disseminated intravascular coagulation and expired. Intussusception in the adult is an uncommon event, with proximal jejunal intussusception secondary to a long tube, especially a severe type like in the current case, considered relatively rare.1,–,3 Compared to distal small bowel, the loops of proximal small bowel are not usually telescoped as compactly as distal loops.3 In our case, as folds of small intestine may become telescoped over the long tube due to ongoing propulsive peristalsis over severely dilated proximal intestine. Most cases of adult jejunal intussusception are difficult to diagnose, and intestinal resection was frequently needed.1,–,3 Non-invasive imaging modalities including high resolution CT scan is the key to establish its early diagnosis.3 An index of high suspicion and early diagnosis is mandatory to avoid progression to severe type of long tube-induced jejunal intussusception and to improve outcome.
Competing interests None.
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