Phaeochromocytoma Flashcards
1
Q
what does a phaeochromocytoma secrete?
A
catecholamine
2
Q
% of cases with bilateral phaeochromocytoma
A
10%
3
Q
% of cases with malignant phaeochromocytoma
A
10%
4
Q
% of cases with extra-adrenal phaeochromocytoma
A
10%
5
Q
where is the most common extra-adrenal site for phaeochromocytoma?
A
organ of Zuckerkandl = adjacent to the bifurcation of the aorta
6
Q
how does phaeochromocytoma present?
A
features are episodic
* hypertension
* headaches
* palpitations
* sweating
* anxiety
7
Q
what test is done in phaeochromocytoma?
A
24hr urinary collection of metanephrines
8
Q
what is the management of phaeochromocytoma?
A
STABALISE PATIENT —> surgery = definitive management
9
Q
how can the symptoms of phaeochromocytoma be stabilised?
A
alpah-blocker (e.g. phenoxybenzamine) —> beta-blocker (e.g. propranolol)
