Testicular atrophy

  • Previous epididymo-orchitis, testicular torsion, cryptorchidism, varicocele, mumps, estrogen therapy
  • Part of normal aging
Imaging 
  • US: iso- or hyporeflective compared with normal side. Homogeneous or mixed parenchymal reflectivity
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Lipshultz, Larry I., and Joseph N. Corriere Jr. “Progressive testicular atrophy in the varicocele patient.” The Journal of urology 117.2 (1977): 175-176.