Background Different diagnostic and classification criteria are available for hereditary
recurrent fevers (HRF)—familial Mediterranean fever (FMF), tumour necrosis factor receptor …

Takayasu arteritis is an idiopathic granulomatous vasculitis of the aorta and its main
branches and it constitutes one of the more common vasculitides in children. Inflammation …

Objective To develop and validate revised classification criteria for granulomatosis with
polyangiitis (GPA). Methods Patients with vasculitis or comparator diseases were recruited …

Objective To develop and validate updated classification criteria for giant cell arteritis (GCA).
Methods Patients with vasculitis or comparator diseases were recruited into an international …

Objective To develop and validate new classification criteria for Takayasu arteritis (TAK).
Methods Patients with vasculitis or comparator diseases were recruited into an international …

Criteria for the classification of Takayasu arteritis were developed by comparing 63 patients
who had this disease with 744 control patients with other forms of vasculitis. Six criteria were …

Criteria for the classification of giant cell (temporal) arteritis were developed by comparing
214 patients who had this disease with 593 patients with other forms of vasculitis. For the …

Criteria for the classification of Churg‐Strauss syndrome (CSS) were developed by
comparing 20 patients who had this diagnosis with 787 control patients with other forms of …

Criteria for the classification of Wegener's granulomatosis (WG) were developed by
comparing 85 patients who had this disease with 722 control patients with other forms of …

Criteria for the classification of polyarteritis nodosa were developed by comparing 118
patients who had this disease with 689 control patients who had other forms of vasculitis. For …