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(A) Abdominal X-ray reveals marked dilatation of the small intestine and air-fluid levels. Gas is not detected in the colon. (B) Abdominal CT shows a small obturator hernia in the right thigh containing only a part of the wall of small intestine (arrow).
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On the third hospital day, a follow-up abdominal X-ray showed increased small intestinal dilatation and air-fluid levels (Figure 1A). When we reviewed the abdominal CT scan, we found a slight obturator hernia in her right obturator canal, which contained only a part of the small intestine wall (Figure 1B), called the Richter type.