Table 2.

Radiographic response of each lesion following SRS

Patient	Diagnosis	Imaging progression (months, following SRS)	Outcome
1	JPA recurrence	PD → PR (at 17) → CR (at 20)	CR as of last f/u
2		SD → PD (at 4) → Failed	Local failure
3	JPA residual	SD → PD (at 15) → Failed	Local failure
4		SD → PD (at 7) → SD (at 11)	SD as of last f/u
5	MB recurrence	CR (at 2)	CR as of last f/u
5
5
6		PR → CR (at 4)
6
6
6
7	MB metastasis	SD → CR (at 6)	CR as of last f/u
8		CR (at 2)
8
8		SD (at 2)	SD as of last f/u
8
9	EM recurrence	SD → PD (at 8) → Failed	Local failure
10		PD (at 3) → Failed
11	ATRT recurrence	SD → PD (at 4) → CR (at 10)	CR as of last f/u
11		SD → PD (at 20) → Failed	Local Failure
12	Pineocytoma	CR (at 3)	CR as of last f/u

SD stable disease, PD progressive disease, CR complete response, PR partial response, MB medulloblastoma, JPA juvenile pilocytic astrocytoma, EM ependymoma, ATRT atypical rhabdoid teratoid tumor, f/u follow-up