Nephroduodenal fistula and small-bowel obstruction from renal staghorn calculus. Left: Excretory urogram showing nonfunction of right kidney; staghorn.

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Nephroduodenal fistula and small-bowel obstruction from renal staghorn calculus. Left: Excretory urogram showing nonfunction of right kidney; staghorn stone. Right: Patient presented with symptoms and signs of bowel obstruction 4 years later. Plain film showing dilated loops of small bowel down to a point just proximal to ileocecal valve. Obstruction due to stone extruded into duodenum. (Courtesy of CD King.) Source: Chapter 32. Disorders of the Kidneys, Smith & Tanagho's General Urology, 18e Citation: McAninch JW, Lue TF. Smith & Tanagho's General Urology, 18e; 2013 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/Books/mcan18/mcan18_c032f009.png&sec=41093014&BookID=508&ChapterSecID=41088109&imagename= Accessed: October 04, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved

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