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Paratesticular tumor of Müllerian duct origin
Department of Urology, Dalhousie University, Halifax, Nova Scotia
Jun  1998 (Vol.  5, Issue  2, Pages( 564 - 565)


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  • A 65 year old Caucasian male presented with a 4 year history of persistent right epididymal discomfort. There was no history of urinary tract infection, dysuria urethral discharge or trauma. Despite several courses of antibiotics and prolonged use of anti-inflammatory medications, his symptoms were unrelenting and had become unbearable. Past history revealed that he had undergone an uncomplicated transurethral prostatectomy for obstructive benign prostatic hyperplasia 6 years previously and a left inguinal herniorrhaphy 15 years ago. There was no history of estrogen use. Physical examination revealed a normal penis, penile urethra, urethral meatus, testes and left epididymis. There was induration of the right epididymis and the caput was exquisitely tender. Complete blood count and urinalysis were normal and urine culture was negative. A scrotal ultrasound failed to show any abnormality. The patient underwent scrotal exploration and a right epididymectomy. An incidental, soft, 2 cm mass was discovered within the spermatic cord adjacent to the superior aspect of the testicle and this was excised. Histologic examination of the epididymis was unremarkable and the other lesion was shown to be a cystic paratesticular müllerian tumor (Figure 1). The epididymalgia resolved post operatively and he has been asymptomatic with no evidence of recurrence for 4 years.