Table 1.

Patient profiles, location of the original lesion, staging (INSS), and presence of metastases in lymph nodes and bones

Patient no.	Age (years and months)	Sex	Original lesion	Stage (!NSS)	Lymph node metastasis	Bone metastasis	Treatment	Prognosis (at present)
1	2 y 9 m	F	Right adrenal gland	IV	+	+	Chemotherapy Retinoic acid	Follow-upa
2	1 y 11 m	M	Left adrenal gland	IV	+	+	Chemotherapy	Follow-up
3	4 y 9 m	F	Right adrenal gland	IV	+	+	Chemotherapy Retinoic acid	Follow-up
4	2 y 4 m	M	Left adrenal gland	IV	−	+	Chemotherapy Surgical excision for metastasis in skull	Follow-up
5	2 y 10 m	M	Left adrenal gland	IV	+	+	Chemotherapy	Died due to the original disease
6	1 y 7 m	F	Bilateral retroperitoneal	IV	+	+	Chemotherapy Retinoic acid	Follow-up
7	4 y 1 m	M	Right retroperitoneal	IV	+	+	Chemotherapy	Undergoing chemotherapy
8	2 y 2 m	M	Left adrenal gland	IV	+	–	Chemotherapy Retinoic acid	Follow-up
9	2 y 9 m	F	Right adrenal gland	IV	+	+	Chemotherapy	Died due to the original disease
10	2 y 8 m	M	Left adrenal gland	IV	+	–	Chemotherapy Retinoic acid	Follow-up
11	4 y 9 m	F	Left adrenal gland	IV	+	+	Chemotherapy Hematopoietic stem cell transplantation	Died due to the original disease
12	4 y 5 m	F	Right adrenal gland	IV	+	+	Chemotherapy	Undergoing chemotherapy
13	3 y 5 m	M	Right posterior mediastinum	IV	–	+	Chemotherapy Umbilical cord blood transplantation	Follow-up

F female, M male

^aFollow-up: The original and metastatic lesions have been reduced or disappeared by the treatments and at present the patients are under observation for follow-up