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Colour Doppler and grey scale ultrasound features of HIV-related vascular aneurysms

¹ Durban Metropolitan Vascular Service and ² King Edward VIII Hospital Vascular Laboratory, Department of Surgery, University of Natal, Congella, Durban 4013, South Africa

View larger version (89K): [in a new window]   Figure 1. Duplex image of a HIV-related aneurysm of the superficial femoral artery. A defect is noted in the vessel wall (arrow) with a large false aneurysm sac posteriorly (asterisk). Vessel wall thickening and "spotting" are not so apparent in this view.

View larger version (92K): [in a new window]   Figure 2. Thickening and hyperechoic "spotting" (arrow) of the arterial wall adjacent to a carotid pseudoaneurysm.

View larger version (84K): [in a new window]   Figure 3. Colour-duplex image of a femoral HIV aneurysm showing turbulent flow within the sac typical of a pseudoaneurysm.

View larger version (99K): [in a new window]   Figure 4. Duplex image of the common carotid artery in an asymptomatic HIV-positive patient showing thickening of the vessel wall and two small saccular aneurysms (arrows) at an early stage of development.