Table 1.

Analytical evaluation.

Parameter	Result	Reference range
Plasma
FSH	<0.3 mIU/mL	<15
LH	<0.1 mIU/mL	<9
Total testosterone	0.4 ng/mL	2.7–11
Prolactin	16.0 ng/mL	<18
TSH	0.47 µIU/mL	0.4–4
FT4	0.8 ng/dL	0.8–1.9
ACTH (8 AM)	26 pg/mL	9–52
Cortisol (8 AM)	8.8 µg/dL	5–25
GH	<0.1 µg/L	<1
IGF-1	128 ng/mL	117–329
Osmolality	278 mosmol/kg	260–302
Sodium	139 mmol/L	136–146
α-Fetoprotein	1.0 ng/mL	<8.6
β-hCG	<2.0 mIU/mL	<10
Urine
Density	1.003	1.010–1.030
Osmolality	104 mosmol/kg	300–900
Sodium	154 mmol/24 h	40–220
Cerebrospinal fluid
α-Fetoprotein	<0.2 ng/mL	<1.5
β-hCG	8.8 mIU/mL	<1

ACTH, adrenocorticotropic hormone; FSH, follicle-stimulating hormone; FT4, free thyroxine; GH, growth hormone; IGF-1, Insulin-like growth factor 1; LH, luteinising hormone; TSH, thyroid-stimulating hormone; β-hCG, β subunit of human chorionic gonadotropin.