NCIt synonyms : Teratoma of Testis; Teratoma of the Testis;
NCIt definition : A non-seminomatous germ cell tumor arising from the testis. It is characterized by
the presence of various tissues which correspond to the different germinal layers
(endoderm, mesoderm, and ectoderm). Testicular teratomas in children follow a benign
clinical course whereas in postpubertal patients may metastasize to other anatomic
sites.;