Is Duplex Ultrasonography Useful for the Diagnosis of Giant-Cell Arteritis?

Evidence of a dark halo on ultrasonography has been considered a specific sign of giant-cell arteritis and may replace temporal artery biopsy for the diagnosis of giant-cell arteritis in patients with typical clinical manifestations.To assess the usefulness of temporal artery duplex ultrasonography and to compare this mode of ultrasonography with physical examination of temporal arteries for the diagnosis of giant-cell arteritis in patients with...