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

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 vasculitis. …

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 the …

Criteria for identifying Henoch-Schönlein Purpura (HSP) and distinguishing HSP from other
forms of systemic arteritis were developed by comparing the manifestations in 85 patients …

Reversible cerebral vasoconstriction syndromes (RCVS) comprise a group of diverse conditions,
all characterized by reversible multifocal narrowing of the cerebral arteries heralded by …

Objective To evaluate treatment with methotrexate (MTX) in patients with newly diagnosed
giant cell arteritis (GCA) to determine if MTX reduces GCA relapses and cumulative …

Primary angiitis of the central nervous system (PACNS) has been a poorly characterized and
infrequently reported illness since it was first described as a separate entity in 1959 (20). In …

Background: Infectious diseases and vaccines can occasionally cause new-onset or flare of
immune-mediated diseases (IMDs). The adjuvanticity of the available SARS-CoV-2 …