Infrarenal aortic aneurysm - Color Ultrasound


Title: Color Ultrasound - Infrarenal aortic aneurysm
Diagnosis: Infrarenal aortic aneurysm
Author: Dr.ROSSET Antoine
Comment: Dr. KHAN Haleem
Hospital: HUG
Department: Radiologie
State: Terminée
Date: 21.03.2003
: 4268
Chapter: Vascular System

Clinical Presentation: Pulsatile mass in theepigastrium
Comment: Histologically, aneurysms are classified as true (asshown here) where
all three layers of the aorta are enlarged orfalse (pseudoaneurysm) where the lesion is of
the intima and theaneurysm is contained by the media and the adventice. Theetiologies of
aortic aneurysm include atheroma, infections,inflammatory aortitis (Takayasu, Behcet),
Collagen disease (Marfan,Elhers-Danlos), aortic dissection, and aortic surgery.
Mostaneurysms are infrarenal and the risk of rupture is greatest if thediameter exceeds 6
Description: The longitudinal midline scan and transverse scandemonstrate a
diffusely widened infrarenal aorta consistent with ananeurysm. Atheromatous plaque and
mural thrombosis are seen. TheDoppler shows normal flow in the lumen and defines the
limits ofthe aneurysm relative to the renal arteries or the digestive trunks(Celiac artery and
superior mesenteric artery). Spectral analysisreveals a biphasic turbulent flow. CT shows
mural thrombosis in amanner similar to the ultrasound study.

Order: 1028
Dislocation: 0
Polytrauma: 0
Open: 0
Pathologic: 0
Operation: 00.00.00
Graft: 0

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