X Ray contrast of Viscious circle

Another complication of gastroenterostomy is the so-called viscious circle, when partial obstruction of the efferent limb causes food or contrast medium to be directed through the anastomosis into the A limb and retrograde through the pylorus back into the stomach. This sequence may be observed fluoroscopically and documented radiographically. Revision of the anastomosis is required to correct the condition.

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“radiology images of Viscious circle after gastroenterostomy” Supine view from an upper GI series shows filling of the afferent limb only. On fluoroscopy, barium was seen entering the A limb, then flowing retrograde into the stomach and back into the afferent limb.

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