GCNIS : Microliths
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
This photomicrograph from an undescended testis shows germ cell neoplasia in situ (GCNIS) with testicular microliths. Isolated testicular microliths may be seen in cryptorchid testes, prepubertal Klinefelter's syndrome, male pseudohermophrodites, and rarely in normal testes.