Table 1.

Endocrine evaluation of the patients

Items	Value in patient 1	Value in patient 2	Normal range
Peak GH level responding to arginine 0.5 g/kg, iv (ng/mL)	4.41	7.11	>10
Peak GH level responding to clonidine 10 mg/kg, orally (ng/mL)	5.60	5.25	>10
Serum IGF‐I (ng/mL)	55.70	48.7	52.71–354.71
Serum IGFBP3 (µg/mL)	3.33	2.41	2.65–7.89

IGF‐I, insulin‐like growth factor I; IGFBP3, Insulin‐like growth factor‐binding protein 3; iv, intravenously.