This MRCS Part B station is about vascular pathology.

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How are they classified?


Cause:

Acquired - Normally caused by atherosclerosis
Traumatic e.g. popliteal aneurysms in horse-riders
Inflammatory
Infective e.g Syphilis
Congenital connective tissue disorders e.g. Marfan’s and Ehlers-Danlos syndromes

True vs false (pseudoaneurysm = false aneurysm. This is a haematoma outside the vessel wall formed by a leaking hole)

Site: thoracic aorta, abdominal aorta, intracranial
Size: giant vs berry aneurysms
Shape: fusiform vs saccular

Types_of_aneurysms