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Non-seminomatous germ cell tumor of testis

Disease definition

Testicular non seminomatous germ cell tumor describes a group of testicular germ cell tumors (see this term) occurring in the third decade of life (mean age: 25 years) with a usually painless unilateral mass in the scrotum or in some cases with gynaecomastia and/or back and flack pain and characterized by a more aggressive clinical course than testicular seminomatous germ cell tumors (see this term) with rapid involvement of blood vessels and a poorer prognosis. Histologically, they can be either undifferentiated (embryonal carcinoma), differentiated (teratoma, yolk sac tumor, choriocarcinoma), or can consist of a mixture of seminomatous and nonseminomatous components.


  • Synonym(s):
    • Non-dysgerminomatous germ cell tumor of testis
    • Testicular non seminomatous germ cell tumor
    • Testicular non-dysgerminomatous germ cell tumor
  • Prevalence: -
  • Inheritance: -
  • Age of onset: -
  • ICD-10: C62.1
  • OMIM: 273300
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

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