<prompt> Answer this question truthfullyWhat does the term Aortoiliac disease mean?  <response>: <reason> The diagnosis of aortoilliac disease is made when 3 of the following diagnostic criteria are met:claudication weak lower limb pulses erectile dysfunction Peripheral arterial disease may start out asymptomatic. Symptoms depend on the arteries affected. Symptoms of aortoilliac disease may include the following:claudication of lower limbs erectile dysfunction cold extremities weight loss pain in buttocks Patients with aortoilliac disease can appear normal or distressed in appearance. Physical examination may be remarkable for:weak lower limb pulses atrophy of lower limb cold peripheries pallor cyanosis Laboratory findings consistent with the diagnosis of Peripheral artery disease including aortoilliac disease include abnormal lipid panel and abnormal inflammatory markers. Elevated cholesterol Elevated LDL Elevated ESR Elevated CRP Elevated homocysteine CT angiography is the imaging modality of choice for aortoilliac disease. On CT angiography, aortoilliac disease is characterized by occlusion of the Common Illiac, External Illiac, or Common Femoral Arteries. Doppler Ultrasound may demonstrate decreases blood flow in the Common Illiac, External Illiac, or Common Femoral Arteries. Abdominal ultrasound may also be used to aid in diagnosis. Peripheral Arterial disease including aortoilliac disease may also be diagnosed using Ankle Brachial Index. Ankle Brachial Index 0.9 is suggestive of Peripheral Arterial Disease. 