Table 1.

General characteristics of 23 patients included in the study.

Age at diagnosis	0.3 – 14.2 y (median 7.2)
Male gender	17
Pts under 5 y at diagnosis	10
Pts under 5 y at irradiation	8
Preradiation chemotherapy	4
Hydrocephalus at presentation	16
Gross total resection at 1st surgery	18
Second surgery	4
Radiation therapy dose	50–62 Gy
Opposite lateral beams	12
Conformal irradiation	11
Postoperative cerebellar mutism	0
Postoperative cerebellar syndrome	15
Severe	3
Moderate	7
Mild	5
Cerebellar syndrome at last IQ evaluation	6
Severe	2
Moderate	2
Mild	2
Interval between RT and last IQ evaluation	1–15.5 y (median 4.5)
Age at last IQ evaluation	4.5–19.6 y (median 13.2)

RT = Radiotherapy.

IQ = Intellectual Quotient.

Pts = Patients.

Gy = Gray.

y = years.