mcq

Question 1

mycotic aneurysms
radiological features

false aneurysm forms, which is unstable and highly prone to rupture. The most common organisms are Staphylococcus aureus and Salmonella spp.

Answer 1

saccular
centric aneurysmal sac in an odd location for atheromatous disease
often wild, multilobulated appearance
interruption of arterial wall calcification
adjacent soft tissue stranding
adjacent collection +/- gas
adjacent reactive lymphadenopathy
hazy aortic wall with rupture 4
retroperitoneal para-aortic fluid collection and vertebral erosion
thrombus formation within a false lumen after aneurysmal rupture

Question 2

Buerger disease

Characteristic angiographic findings

Answer 2

extensive arterial occlusive disease
corkscrew collateral vessels
more than one limb is usually affected
predominantly the lower limbs
intervening normal arteries
sparing of the larger inflow vessels