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Use of colour duplex ultrasound to diagnose giant cell arteritis in a case of visual loss of uncertain aetiology

¹ Department of Neuroradiology, Regional Neurosciences Centre, Newcastle General Hospital, Westgate Road, Newcastle upon Tyne NE4 6BE and ² Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, UK

View larger version (92K): [in a new window]   Figure 1. (a) Longitudinal duplex ultrasound image through the right superficial temporal artery showing irregular lumenal stenosis and mural thickening. (b) Transverse duplex ultrasound image showing the "halo" effect due to mural oedema. (c) Longitudinal duplex ultrasound image through the right superficial temporal artery in a normal control subject. (d) Transverse duplex ultrasound image through the same unaffected vessel, showing normal appearance of the arterial wall.

View larger version (68K): [in a new window]   Figure 2. Histological section through the right temporal artery showing inflammatory infiltrate with multinucleate giant cells. (a) Low power, (b) high power detail.