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.


“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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