Takayasu's arteritis classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Farnaz Khalighinejad, MD [2]

Classification

Takayasu arteritis may be classified according to angiographic findings into 6 subtypes:

Type I:Branches from the aortic arch

Type IIa:Ascending aorta, aortic arch and its branches

Type IIb:Ascending aorta, aortic arch and its branches, thoracic descending aorta

Type III:Thoracic descending aorta, abdominal aorta, and/or renal arteries

Type IV:Abdominal aorta and/or renal arteries

Type V:Combined features of types IIb and IV