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  • Title: Classifying seminal vesicle cysts in the diagnosis and treatment of Zinner syndrome: A report of six cases and review of available literature.
    Author: Tan Z, Li B, Zhang L, Han P, Huang H, Taylor A, Li X.
    Journal: Andrologia; 2020 Feb; 52(1):e13397. PubMed ID: 31729082.
    Abstract:
    This study aims to emphasise the importance of imaging in the diagnosis and treatment decision-making in Zinner syndrome and provide a classification for seminal vesicle cysts. The data of six patients with Zinner syndrome in a single institution were collected. All patients underwent a contrast-enhanced computed tomography (CT) exam. Among these patients, five patients also underwent an magnetic resonance imaging (MRI). These results were combined with the review of available literature to classify the seminal vesicle cysts. Among these patients, two patients had urinary urgency and frequency, while four patients had no urinary symptoms. No reproductive-system symptoms were revealed. The imaging revealed left-sided involvement in two patients and right-sided involvement in four patients. The associated features included ipsilateral renal agenesis, seminal vesicle cyst or agenesis, and ejaculatory duct obstruction. Either an ipsilateral ureterocele or an ipsilateral small testis was noted. The seminal vesicle cysts demonstrated varying attenuation or intensity in the imaging. Imaging (CT and especially MRI) can be critical in the noninvasive diagnosis of Zinner syndrome and in allowing aberrant anatomy to be displayed for possible surgery. The proposed seminal vesicle cyst imaging classification could potentially contribute to clinical decision-making.
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