Figure 2.

Timing of glucocorticoid therapy in association with the referral, TAB and its reporting. Closed and open circles indicate positive and negative results for Standard A (or the pathological criterion of a TAB according to the 1990 ACR criteria), respectively. For the non-GCA group, glucocorticoid therapy was started in seven cases. *cardiovascular complication, †polymyalgia rheumatica, **aplastic large cell lymphoma; ‡rheumatoid pleural effusion; ††inflammatory abdominal aortic aneurysm. GCA: giant cell arteritis, TAB: temporal artery biopsy