Table 1.

Patients’ characteristics.

Patient	Age (years)	Pathology	Tanner stage	Most advanced germ cells in immature testicular tissue (before culture)	Johnsen score	Testicular volume
1	2	Medulloblastoma	P1G1	Spermatogonia	3	<4 cc
2	11	Medulloblastoma	P1G2	Spermatogonia	3	<4 cc
3	8	Neuroblastoma	P1G1	Spermatogonia	3	<4 cc
4	2	Pinealoblastoma	P1G1	Spermatogonia	3	<4 cc
5	12	Medulloblastoma	P1G1	Spermatogonia	3	<4 cc

PI GI, Pubic hair:I, Genitalia: I; PIGII, Pubic hair:I, Genitalia: II.