Martinho, J.Sousa Bandeira, M. J.Barreira, S. C.Dourado, E.Cruz-Machado, A. R.Teixeira, V.Macieira, C.Khmelinskii, N.Fonseca, J. E.Ponte, C.2023-01-232023-01-232022-06http://hdl.handle.net/10400.1/18898Giant cell arteritis (GCA) is the most common form of primary systemic vasculitis in patients aged >50 years. It predominantly affects the cranial arteries; however, extra-cranial disease involving the aorta and its major branches, known as large-vessel GCA (LV-GCA), can be present in 20-80% of cases, depending on the imaging modality used for screening the disease.engjournal article10.1136/annrheumdis-2022-eular.38661468-2060