An Ectopic ACTH Secreting Metastatic Parotid Tumour

Table 2

Further investigations.

Investigations	Results	Reference range
Prolactin	429 mU/L	<560
Insulin-like growth factor 1	11 nmol/L	12.0–54.0
24-hour urinary cortisol level	4481 nmol	<146
ACTH	106 ng/L	7–63