Summary: | A 32-year-old man investigated for subfertility and bladder outlet obstruction. He had a palpable pelvic mass and computerized tomography (CT) pelvis demonstrated that a large cystic mass (15cm) arising from right side seminal vesicle, and another small cyst from left side seminal vesicle with unilateral hydroureteronephrosis. Following a futile attempt of endoscopic drainage, mass was excised in toto via lower midline laparotomy. Pathological examination and immunocytochemistry confirmed the mass to be an extremely rare seminal vesicle Schwannoma. To our knowledge, there are few unilateral seminal vesicle schwannomas reported in literature published in English language up to date.
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