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Isolated torsion of appendix epididymis–a difficult diagnosis

Urology & Nephrology Open Access Journal
Márcio Luís Duarte,1 Daniel Pires Penteado Ribeiro,2 Luiz Carlos Donoso Scoppetta2


Appendix epididymis has an estimated prevalence of about 20 % of the pediatric population, being a remnant of the mesonephric duct. It has an echogenicity equal to the epididymis in ultrasound.  We  report  an  8-year-old  male  patient  complaining  of  pain  in  the  left  scrotum  for four hours. The objective of this report to emphasize the need for the sonographer to investigate the torsion of the epididymal appendix and not to confuse it with testicular torsion and epididymitis since their treatments are different.


child, epididymis/diagnostic imaging, ultrasonography