"catecholamine excess
10% extra-medullary
10% malignant
DIAGNOSIS
24-hour urinary collection for catecholamines and metanephrines
CT
PREOP PREPARATION:
To protect from the effects of excessive catecholamine release
during surgery
1) alpha blockade with phenoxybenzamine 7-10 days preop
2) Initiate a beta blocker only after adequate alpha blockade
to avoid precipitating a hypertensive crisis from unopposed alpha stimulation.
"