Cystic dilatation of the seminal vesicles

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Cystic dilatation of the seminal vesicles refer to dilatation to one of both seminal vesicles often occurring a result of a downstream obstruction (atresia of the ejaculatory ducts or ectopic ureteral insertion into the seminal vesicles). On imaging it is seen as continuous dilatation to one or both seminal vesicles as opposed to a single a seminal vesicle cyst.