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Pregunta:

How is pathogenesis of testicular cancer germ cell neoplasia?

Autor: H K



Respuesta:

➢ Germ cell neoplasia in situ is a precursor lesion present in conditions associated with a high risk for developing germ cell tumors ➢ GCN exhibits the same abnormality of chromosome 12 that is characteristic of fully developed germ cell tumors. ➢ As might be expected, germ cell neoplasia in situ often is found in “normal” testis adjacent to full-blown germ cell tumors. ➢ Testicular germ cell tumors are subclassified into seminomas and nonseminomatous germ cell tumors ➢ Seminomas are most common, accounting for about 50% of Testicular Germ Cell Neoplasm . ➢ They are histologically identical to tumors called dysgerminomas, which occur in the ovary, and germinomas, which occur in the central nervous system and other extragonadal sites.


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H K
H K