Ureterocele ultrasound and voiding cystourethrogram

Left-sided ectopic ureterocele obstructing the upper pole of the left kidney with a duplicated collecting (duplex) system.

(A) Ureterocele seen by sonogram.

(B) Voiding cystourethrogram.

(C) Schematic of ectopic left ureterocele in the duplex system with obstructed (enlarged) ureter from the upper pole.

Courtesy of Laurence S Baskin, MD, FAAP. Illustration reproduced with permission from: DiSandro S. Hydroureteronephrosis: Ureteroceles, duplications, and ureteral ectopy. In: Handbook of Pediatric Urology, 2^nd Ed, Baskin LS, Kogan BA (Eds), Lippincott Williams & Wilkins, Philadelphia 2005. Copyright © 2005 Lippincott Williams & Wilkins. www.lww.com.

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