SEER Inquiry System - Question 20021154 Details

The case was reviewed by AFIP and called "extratesticular." Per our pathology consultant, the site should be coded to unknown because it is very doubtful that the tumor was primary in the soft tissue of the thigh. According to him, such tumors don't originate exclusively in the testes, but tend to occur along the central axis such as the mediastinum or retroperitoneum. If an extratesticular tumor arises in either of these areas, the primary site should be code to the mediastinum or the peritoneum rather than to unknown. Lesions primary in the testicle may also undergo maturation with fibrosis and involution. This process often leaves little evidence of the original tumor in the testis.