ASSYMMETRICAL DILATATION OF SEMINAL VESICLE
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History: Age 28. >10 yrs history of periods with intense perineal and left-sided post-ejaculatory pain radiating into the groin. These periods range form a couple of days to weeks, usually subsiding spontaneously, reappearing with irregular intervals from weeks to several months. No UTIs, never leucocystes or bacterial growth in the EPS.
Drach-classification: Prostatodynia
TRUS:
1. Longitudinal scan of grossly dilated left seminal vesicle with wide intravesicular spaces.
2. Transverse scan: assymmetric dilatation of left seminal vesicle, right one of normal size.
3. Longitudinal view through prostate: calcification presumably obstructing left ejaculatory duct.
Comments:

Probable mechanism: obstruction of the ejaculatory duct, intermittently more severe. No doubt that this patient would gain from removing the calcification. The patient has, so far, declined more invasive diagnostics and surgery.