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Takayasu´s disease (TD) is a chronic inflammatory arteriopathy affecting the aorta, its main branches and the pulmonary arteries. It was first described in 1908 by the Japanese ophthalmologist Mikito Takayasu. The study involved a 78-year-old patient with no known history of cardiovascular disease, admitted with abdominal pain, pain in the right lower limb when walking, insomnia. These symptoms had progressed over 1 year. Physical examination showed normal heart rate of 87 beats per minute without pathological noises, with absence of right pedal pulse, blood pressure 120/78 mmhg, free lungs, flexible abdomen, and a beating mass in the right iliac fossa whose auscultation showed continuous murmur. The remainder of the physical examination was normal. Abdominal CT angiography confirmed extensive aortic dissection at the abdominal aorta with synchronous opacification of both channels, thrombotic aneurysm of the primitive iliac arteries measuring 48mmx100mm on the right and 38mm x 90mm on the left, with no visible fissurization. We report a case abdominal aorta dissection associated with thrombus formation in the primary iliac arteries revealing Takayashu´s disease treated in the Department of Cardiology at the Ignace Deen National Hospital. The rate of abdominal aorta dissection in patients with Takayasu´s disease is rare. It is most often diagnosed in the occlusive phase. Prognosis depends on possible complications., Competing Interests: Les auteurs ne déclarent aucun conflit d'intérêts., (Copyright: Barry Ibrahima Sory et al.)