Table 3.

Age-standardized incidence rates (cases per 1 million) of gonadal and extragonadal germ cell tumors by primary site, sex and race; SEER-9, 1973–2007

Topography (ICD-O)	Males						Females
	White			Black			White			Black
	N	ASR	SE	N	ASR	SE	N	ASR	SE	N	ASR	SE
Gonadal germ cell tumors
Testis (C62.0–C62.9)	19,517	56.3	0.41	442	10.0	0.49
Ovary (C56)							1,095	3.2	0.10	175	1.9	0.1
Primary sites of extragonadal germ cell tumors
Thymus (C37.9)	18	0.1	0.01	0			2			0
Mediastinum (C38.1–C38.3)	406	1.2	0.06	25	0.5	0.11	38	0.1	0.02	3
Retroperitoneum (C48.0)	154	0.5	0.04	7			13			6
Pelvis (C49.5, C76.3)	39	0.1	0.02	4			60	0.2	0.02	18	0.3	0.17
Uterus (C54–C55)							46	0.1	0.02	23	0.3	0.09
Female genital tract (C57)							23	0.1	0.01	2
Placenta (C58)							312	0.9	0.05	92	1.7	0.17
Brain, NOS (C71.0–C71.9)	83	0.2	0.03	8			41	0.1	0.02	11
Pineal gland (C75.3)	175	0.5	0.04	23	0.4	0.09	10			0
Pituitary gland (C75.1)	20	0.1	0.01	0			16	0.0	0.01	1
Malignant neoplasm of other and ill-defined sites (C76excl. C76.3)	8			1			2			0
Other sites*	60	0.2	0.02	9			52	0.2	0.02	19	0.4	0.09
Unknown primary site (C80.9)	162	0.5	0.04	9			27	0.1	0.02	7
All extragonadal germ cell tumors	1,125	3.3	0.10	86	1.8	0.20	641	1.9	0.07	182	3.4	0.25

^*all other sites had less than 16 registered cases in each sex-race stratum of the registration period 1973–2007; ASR: age-standardized rate; SE: standard error of ASR