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Case Reports
. 2015 Dec;3(2):98-102.
doi: 10.1055/s-0035-1555605. Epub 2015 Jul 10.

Congenital Seminal Vesicle Cyst and Ipsilateral Renal Agenesis (Zinner Syndrome): A Rare Association and Its Evolution from Early Childhood to Adolescence

Aikaterini Kanavaki  1 , Isabelle Vidal  2 , Laura Merlini  1 , Sylviane Hanquinet  1
Affiliations
Case Reports

Congenital Seminal Vesicle Cyst and Ipsilateral Renal Agenesis (Zinner Syndrome): A Rare Association and Its Evolution from Early Childhood to Adolescence

Aikaterini Kanavaki et al. European J Pediatr Surg Rep. 2015 Dec.

Abstract

Zinner syndrome, the association of congenital seminal vesicle cyst and ipsilateral renal agenesis, is more often reported in adults or older adolescents. We present a case of a boy, followed up in our hospital since birth for right renal agenesis who at the age of 4 years presented a right paravesical cyst on ultrasound. The cyst was initially considered as an ureterocele. The diagnosis of Zinner syndrome was made later, at the age of 15 years by ultrasound and magnetic resonance imaging; at that moment the cyst had increased in size and had changed in aspect. This malformation should be considered in the differential diagnosis of a pelvic cyst in male patients with renal agenesis.

Keywords: Zinner syndrome; cyst; renal agenesis; seminal vesicle.

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Figures

Fig. 1
Fig. 1
Ultrasound (a) at the age of 4 years detects a right retrovesical anechoic cyst (+) (b) at the age of 15 years the cyst has increased in size and it has become hyperechoic (white arrow). (c) It is associated to magma of round retrovesical masses (black arrow).
Fig. 2
Fig. 2
MRI at the age of 15 years. (a) T2 coronal images of the abdomen show right renal agenesis. (b) T2 spin-echo axial and (c) sagittal images of the pelvis show dilatation of the right seminal vesicles (white arrow) ending to a seminal vesicle cyst (*) that protrudes in the bladder. MRI, magnetic resonance imaging.
See this image and copyright information in PMC

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