Thyroid Carcinoma with Pituitary Metastases: 2 Case Reports and Literature Review

Table 1

Baseline laboratory results showing presence of panhypopituitarism, hyperprolactinemia, and diabetes insipidus.

Blood investigations	Result	Normal reference
Random cortisol (10 am)	<11 nmol/L	—
Free thyroxine	3.9 pmol/L	8.8–14.4
Thyroid stimulating hormone	0.846 mu/L	0.65–3.70
Follicle stimulating hormone	1.7 u/L	1.0–14.0
Luteinizing hormone	0.1 u/L	1.0–24.0
Estradiol	38.4 pmol/L	37.0–1284
Prolactin	83.3 u/L	5.0–27.7
Growth hormone	0.3 mu/L	0–28.5
Insulin-like growth factor-1	84.0 ug/L	80–197
Sodium	147 mmo/L	135–145
Osmolality	308 mmol/kg	275–301
Urine osmolality	112 mmol/kg	50–1200