Two cases of temporal arteritis are described. In patient K., aged 79 years, the disease ran an acute course and resulted in bilateral blindness. In patient T., aged 67 years, the disease ran a subacute course with a unilateral amaurosis and involvement into the disease of the cerebellar, humeral, renal, leg and, possibly, heart arteries. Elevation of the amount of circulating immune complexes in patient K. and no elevation in patient T, with the complement content being within normal, can be viewed as features of the disease progress.
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