Table 1. Clinicopathological data for the 34 MGCTs of childhood analysed.

Sample	Histology	Histology subtype	Site	Age (years)	Gender	Stage	Outcome	EFSa (months)
1	Germinoma	Pure	Ovary	12	Female	1	Alive	47
2	Germinoma	Pure	Ovary	13	Female	3	Alive	46
3	Germinoma	Pure	Ovary	14	Female	2	Alive	40
4	Germinoma	Pure	Ovary	10	Female	1	Relapse	16
5	Germinoma	Pure	Ovary	6	Female	4	Alive	20
6	Germinoma	Pure	Ovary	12	Female	1	Dead	27
7	Germinoma	Pure	Ovary	12	Female	1	Alive	15
8	Germinoma	Pure	Ovary	13	Female	1	Relapse	23
9	Germinoma	Pure	Brain	16	Male	1	Alive	144
10	Germinoma	Pure	Brain	10	Female	1	Dead	14
11	Germinoma	Within teratoma	Ovary	12	Female	2	Alive	36
12	Embryonal carcinoma	Pure	Metastasisb	15	Male	4	Relapse	8
13	Yolk sac tumour	Pure	Testis	1	Male	1	Alive	51
14	Yolk sac tumour	Pure	Testis	1	Male	1	Alive	92
15	Yolk sac tumour	Pure	Testis	0	Male	1	Alive	37
16	Yolk sac tumour	Pure	Testis	4	Male	1	Alive	30
17	Yolk sac tumour	Pure	Testis	1	Male	1	Alive	14
18	Yolk sac tumour	Pure	Testis	0	Male	1	Alive	12
19	Yolk sac tumour	Pure	Testis	2	Male	1	Alive	44
20	Yolk sac tumour	Pure	Ovary	14	Female	4	Alive	78
21	Yolk sac tumour	Pure	Ovary	13	Female	2	Alive	58
22	Yolk sac tumour	Pure	Ovary	12	Female	1	Alive	28
23	Yolk sac tumour	Pure	Ovary	12	Female	1	Alive	69
24	Yolk sac tumour	Pure	Ovaryc	9	Female	2	Alive	93
25	Yolk sac tumour	Pure	Ovary	14	Female	1	Relapse	2
26	Yolk sac tumour	Pure	Ovary	13	Female	3	Alive	72
27	Yolk sac tumour	Within teratoma	SCT	2	Female	4	Alive	55
28	Yolk sac tumour	Within teratoma	SCT	3	Female	4	Alive	21
29	Yolk sac tumour	Within teratoma	SCT	0	Female	4	Alive	42
30	Yolk sac tumour	Within teratoma	SCT	1	Male	4	Alive	28
31	Yolk sac tumour	Within teratoma	SCT	1	Male	1	Alive	54
32	Yolk sac tumour	Within teratoma	Brain	12	Male	1	Alive	136
33	Yolk sac tumour	Pure	Ovary	0	Female	2	Relapse	4
34	Yolk sac tumour	Pure	Vagina	1	Female	2	Alive	43

^aEFS – Event-free survival.

^bPulmonary metastasis of a testicular primary.

^cContralateral streak ovary noted peri-operatively, SCT – sacrococcygeal teratoma.