Reprinted from Hunder GG, Bloch DA, Michel BA, et al. The American College of Rheumatology 1990 criteria for the classification of giant cell arteritis. Arthritis Rheum, 1990, 33: 1122-1128.

• a在分类诊断时，符合上述五条标准中的至少三条可诊断为巨细胞（颞）动脉炎，按此标准诊断的敏感性是93.；5%25，特异性是91