subacute, granulomatous arteritis involving the external carotid arteries, especially the temporal artery; occurs in elderly persons and may be manifested by constitutional symptoms, particularly severe headache, and sometimes sudden unilateral blindness; shares many of the symptoms of polymyalgia rheumatica.
Also applicable to/known as
Cranial arteritis
Horton's disease
Temporal arteritis
ICD-9-CM Volume 2 Index Entries That Refer To 446.5