9061/3 Seminoma, NOS


Definitions

Testis/Male genital organs
ICD-O-3 topography code: C62-C63
ICD10: C62-C63
           

A radiosensitive malignant germ cell tumor found in the testis (especially undescended) and, less frequently, extragonadal sites. It is characterized by the presence of uniform cells with clear or dense cytoplasm which contains glycogen, and by a large nucleus which contains one or more nucleoli. The neoplastic germ cells form aggregates separated by fibrous septa. The fibrous septa contain chronic inflammatory cells, mainly lymphocytes.



Thymus
ICD-O-3 topography code: C37
ICD10: C37
           

A radiosensitive malignant germ cell tumor found in the testis (especially undescended) and, less frequently, extragonadal sites. It is characterized by the presence of uniform cells with clear or dense cytoplasm which contains glycogen, and by a large nucleus which contains one or more nucleoli. The neoplastic germ cells form aggregates separated by fibrous septa. The fibrous septa contain chronic inflammatory cells, mainly lymphocytes.



Prostate gland
ICD-O-3 topography code: C61
ICD10: C61
           

A radiosensitive malignant germ cell tumor found in the testis (especially undescended) and, less frequently, extragonadal sites. It is characterized by the presence of uniform cells with clear or dense cytoplasm which contains glycogen, and by a large nucleus which contains one or more nucleoli. The neoplastic germ cells form aggregates separated by fibrous septa. The fibrous septa contain chronic inflammatory cells, mainly lymphocytes.