Testicular adrenal rest tumors in patients with congenital adrenal hyperplasia can cause severe testicular damage  Hedi L. Claahsen-van der Grinten, M.D., Barto J. Otten, Ph.D., Ad R.M.M. Hermus, Ph.D., Fred C.G.J. Sweep, Ph.D., Christina A. Hulsbergen-van de Kaa, Ph.D.  Fertility and Sterility  Volume 89, Issue 3, Pages 597-601 (March 2008) DOI: 10.1016/j.fertnstert.2007.03.051 Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions

Figure 1 Testicular adrenal rest tumor growing into rete testis (RT; hematoxylin and eosin; original magnification, ×200). Fertility and Sterility 2008 89, 597-601DOI: (10.1016/j.fertnstert.2007.03.051) Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions

Figure 2 Testicular biopsy of patient 5 showing seminiferous tubules with hypospermatogenesis and prominent peritubular fibrosis with increased number of peritubular fibroblasts (arrows), as well as tubular hyalinization (arrowheads; original magnification, ×200). Fertility and Sterility 2008 89, 597-601DOI: (10.1016/j.fertnstert.2007.03.051) Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions