Section Editor: Dharam M. Ramnani, MD

Virginia Urology, Richmond, VA, USA

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Image Description

Treatment of Germ Cell Neoplasia In Situ (GCNIS): GCNIS shows high rate of progression to invasive testicular germ cell neoplasms. The treatment consists of orchiectomy (for unilateral GCNIS) or low-dose external beam radiation (for bilateral lesions).

The image shows a normal seminiferous tubule with spermatogenesis (center of the image). It is surrounded by several tubules containing germ cell neoplasia in situ (GCNIS) and no evidence of spermatogenesis.

Image 6 of 115