Bilateral duplex kidneys with left-sided uterocoele

Case contributed by Dr Varun Babu


13 year old presented with urinary tract infection. Ultrasound revealed left mild hydronephrosis. Patient was sent for an intravenous urogram

Patient Data

Age: 13
Gender: Male

Intravenous urogram

Bilateral duplex moieties with left sided ureterocoele.

There is clear demarcation of two separate moieties in each kidney depicted in the pyelographic phase of urogram. Of note in the urinary bladder filling phase is a well defined radiolucent halo, also described as the cobra head sign, seen in ureterocele. 


Micturating cystourethrogram

Left-sided ureterocoele is demonstrated as the last to empty with residual urine hold up within it. 

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Case information

rID: 20811
Published: 14th Dec 2012
Last edited: 5th Apr 2019
Inclusion in quiz mode: Included

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