Treatment outcome and long-term follow-up of central nervous system germ cell tumor using upfront chemotherapy with subsequent photon or proton radiation therapy: a single tertiary center experience of 127 patients

Table 2 Radiation field and dose of HR group (N = 57^a)

	Pathologic diagnosis of HR group			p value
	Germinoma (n = 14)	Not confirmed (n = 23)	NGGCT (n = 20)	p value
Number of patients who received CSI	9 (64.3%)	19 (82.6%)	18 (90.0%)	0.181
Median dose of CSI, Gy (range)	23.4 (19.8–25.2)	23.4 (18.0–36.0)	23.4 (19.8–36.0)	0.507
Median dose of total radiation to the primary site, Gy (range)	45.0 (27.0–54.0)	54.0 (30.6–59.4)	54.0 (39.6–54.0)	0.001

NGGCT nongerminomatous germ cell tumor, CSI craniospinal irradiation, Gy gray
^aOf total 58 patients of HR group, 57 patients were included

ISSN: 1471-2407