NCI Definition: A malignant germ cell tumor arising from the testis. It is believed that it is derived from the sexually undifferentiated embryonic gonad. Treatment with radiotherapy is highly successful when the tumor is diagnosed in localized stages, which represents the majority of presentations of seminoma. [1]

Disease Details

Testicular Seminoma Pure, Seminoma of Testis, Seminoma of the Testis
Testicular Pure Germ Cell Tumor
Testicular Seminoma, Pseudoglandular Variant, Testicular Seminoma, Tubular Variant, Testicular Spermatocytic Seminoma, and Testicular Seminoma, Cribriform Variant


1. National Cancer Institute. NCI Thesaurus Version 18.11d. https://ncit.nci.nih.gov/ncitbrowser/ [2018-08-28]. [2018-09-21].

2. The AACR Project GENIE Consortium. AACR Project GENIE: powering precision medicine through an international consortium. Cancer Discovery. 2017;7(8):818-831. Dataset Version 6. This dataset does not represent the totality of the genetic landscape; see paper for more information.

3. All assertions and clinical trial landscape data are curated from primary sources. You can read more about the curation process here.