Figure 106

Artery in longitudinal section shows a more florid intimal arteritis than that in Figure 10-5. Aggregation of lymphocytes is also seen in the lumen, but this is a nonspecific change. The reporting for some clinical trials has involved counting lymphocytes in the most inflamed artery, but this has not been shown to correlate with clinical severity or outcome, whereas the presence or absence of the lesion has been shown to have such a correlation. (From Solez et al. [1]; with permission.)

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