Adrenal Incidentalomas

Question 1

What is an adrenal incidentaloma

Answer 1

an adrenal mass greater than 1cm in diameter that is incidentally discovered when an ado CT or MRI is done for other reasons

Question 2

What are the 2 most important bits of information to find out about an adrenal incidentaloma

Answer 2

is it benign or malignant?

is it functioning or non-functioning

Question 3

What are usually easy to identify

Answer 3

Adrenal cysts
adrenal haemorrhage and
myelolipoma

Question 4

What is the biochemical assessment for an adrenal incidentaloma

Answer 4

24 hour urinary catecholamines and fractioned metanephrines

Question 5

When is surgery recommended for a adrenal incidentaloma

Answer 5

Adrenal mass greater than 4cm
phaeochromocytoma
unilateral aldosterone secreting mass
Cushing’s syndrome

Question 6

What are the imaging characteristics of adrenal carcinoma

Answer 6

metastases
phaeochromocytomas includes size greater than 4cm in diameter 
inhomagenous density 
irregular border 
high attenuation on enhanced CT scanning