Abdominal aortic aneurysm classification

Abdominal Aortic Aneurysm Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ;Associate Editor(s)-in-Chief: Ramyar Ghandriz MD[2]

Overview

Aneurysms are usually classified by their shape. Abdominal aorta aneurysm is classified by their location as suprarenal or infrarenal. size of the aneurysm is another important criteria that may indicate the need for surgery, so they may be classified by their size in many textbooks.

Fusiform Aneurysms

• They are the most common type of aneurysm seen in the infrarenal aorta.
• They are diffuse and circumferential.

Saccular Aneurysms

• Involve only a portion of the circumference, with a characteristic outpouching of the vessel wall.