Table 1.

Quantitative summary of studies evaluating intracranial germ cell tumor markers.

Authors and year [Ref]	Germinoma	Teratoma	Embryonal carcinoma	Yolk sac tumor	Choriocarcinoma
Lv et al. (2010) [53]	–	–	–	–	6
Ngan et al. (2008) [60]	5	4	–	3	–
Kamakura et al. (2006) [40]	13	4	–	2	2
Nakamura et al. (2006) [58]	25	2	1	2	–
Hattab et al. (2005) [28]	25	–	–	–	–
Matsutani et al. (1997) [55]	36	18	4	3	3
Ho et al. (1992) [29]	23	8	–	5	2
Inoue et al. (1987) [32]	39	6	4	–	2
Yamagami et al. (1987) [85]	9	7	2	3	2
Bjornsson et al. (1985) [11]	16	3	1	1	1
Allen et al. (1979) [4]	2	–	2	–	2
Total, n (%)	193 (64.8)	52 (17.4)	14 (4.7)	19 (6.4)	20 (6.7)