• A patient had continued active giant cell arteritis proved on biopsy four years after the initial diagnosis of temporal arteritis. The patient had had erythrocyte sedimentation rates within the normal range and had been receiving corticosteroids without interruption for four years. Central nervous system symptoms occurred three and four years after the initial diagnosis.
Fulton AB, Lee RV, Jampol LM, Keltner JL, Albert DM. Active Giant Cell Arteritis With Cerebral InvolvementFindings Following Four Years of Corticosteroid Therapy. Arch Ophthalmol. 1976;94(12):2068-2071. doi:10.1001/archopht.1976.03910040728004