Histology Course S XI 19 Department of Pathology, University of Zurich Histokurs

S XI 19 tubular testicular atrophy due to cryptorchism HE  
  ICD-10: N50.0

32-year-old male; investigations for infertility revealed  mildy elevated FSH levels.

- Small tubular diameter
- Reduction of germ cell epithelium (possibly only of the Sertoli cells)
- Broadening of basal lamina (possibly total hyalinosis of tubuli)
- Increase in number of Leydig cells
- Interstitial fibrosis