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Radiology. 1990 Jan;174(1):187-9.

Ileocolic intussusception: extensive reflux of air preceding pneumatic reduction.

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Department of Radiology, Children's Hospital Medical Center, University of Cincinnati College of Medicine, OH 45229-2899.


The use of an air enema for diagnosis and treatment of intussusception has recently gained popularity. The current end point for reduction is the reflux of air into the terminal ileum. The authors report three cases in which air freely refluxed into the terminal ileum without complete reduction of the intussusceptum. Thus, reflux of air alone cannot be relied on as the sole criterion for reduction. Close examination of the cecum for a persistent filling defect is imperative to exclude unsuccessful reduction.

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