Patient demographic and clinical information

Patient No.	Sex	Age (yr)	Diagnosis	Tumor Location	Treatment Prior to RT (Time of Administration before RT, mo)^a			Radiation Dose (Gy)
								Anterior	Posterior
					Surgery	Chemotherapy	Steroids	I-V	VI-VII	VIII-X
1	M	5.5	Pilocytic astrocytoma	Right frontal suprasellar/optic	Yes (42.7)	CaPt (35.0), TMZ (16.5)	No	18.5	20.4	23.5
2^b	F	8.5	Anaplastic medulloblastoma	Posterior fossa	Yes (5.8)	CsPt/VP-16/ CTX/VCR/MTX (5.2)	Dex (5.3)	54.4	54.3	54.3
3	F	8.7	Nonanaplastic medulloblastoma	Posterior fossa	Yes (1.1)	No	Dex (0.8)	54.0	54.0	54.0
4^b	M	9.2	Anaplastic medulloblastoma	Fourth ventricle	Yes (1.5)	No	Dex (1.5)	54.5	54.5	54.5
5	M	10.2	T-cell ALL	No tumor	No	T-cell IC (1.1)	Pred (0.7)	18.3	18.3	18.3
6	M	11.8	Nondiagnostic biopsy (astrocytoma or ependymoma)	Pineal	No (VP shunt)	No	No	14.9	4.8	30.0
7	M	11.8	Malignant glioneuronal tumor, otherwise unclassifiable	Left frontal	Yes (5.7)	No	No	41.4	41.0	34.5
8	M	15.3	Ependymoma	Left medial temporal lobe	Yes (0.9)	No	No	36.7	36. 8	38.0
9^b	M	16.0	Pontine glioma	Pons	No	No	Dex (2.0)	50.6	24.7	33.1
10	F	18.6	Germinoma	Suprasellar	Yes (4.1)	CsPt/VP-16/ CTX/VCR/(3.1)	HC (3.7)	20.3	15.4	16.0

Note:—In all patients with medulloblastoma, the posterior vermis was affected by surgery. None of the patients were diagnosed with obstructive hydrocephalus; moderately enlarged ventricles were noted in patients 1 and 6. Postsurgical mutism was diagnosed in patient 3.
a Time of administration before the start of radiation treatment is shown.
b Patient died.