Clinical and biopsy findings in temporal arteritis.

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Abstract
The clinical features of 37 cases of temporal arteritis were compared with the histological appearance of their arterial biopsies. One in 4 of the cases had clinically normal temporal arteries, but these yielded the same microscopical evidence of a giant cell arteritis as did tender, nodular, occluded vessels. Eleven patients with visual failure were not clinically or histologically different from those without ocular involvement. The different histological appearances obtained on arterial biopsy are discussed. The finding of clinically normal temporal arteries does not rule out the diagnosis of temporal arteritis.