Table 1.

Acute toxicities in 40 patients with refractory or relapsed neuroblastoma treated with I-131 MIBG at a mean dose of 10.5 mCi/kg in our institution.

Toxicity	Grade (n = 40)
	1	2	3	4
Anorexia	16	1	1	0
Nausea	12	1	1	0
Vomiting	2	2	0	0
Sialadenitis	2	7	0	0
Fatigue	3	1	0	0
Fever	2	1	0	0
Stomatitis	2	0	0	0

Toxicity is graded by the common terminology criteria for adverse events version 4.0.