Regressed germ cell tumors


  • Germ cell tumors that are partially or completely regressed, resulting in a scar or fibrotic area in the testis. Also known as “burned-out” germ cell tumors.

Clinical features


  • Partial or complete spontaneous regression occurs in <5% of germ cell tumors.

  • 10% retroperitoneal germ cell tumors have regressed germ cell tumor in the testis.

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