Recently, however, with the advent of vessel-wall MR imaging (VWI-MRI), there has been increasing recognition and acceptance of MRI as a primary diagnostic tool in GCA, with some experienced centres reporting a sensitivity of 80% and specificity of 100% [[10]]. 10070058 15 Ironi G, Tombetti E, Napolitano A, Campolongo M, Fallanca F, Incerti E. Diffusion-weighted magnetic resonance imaging detects vessel wall inflammation in patients with giant cell arteritis. Dear Sirs, Orbital inflammatory syndrome is a rarer presentation of giant cell arteritis (GCA), which, if unrecognised, can result in irreversible loss of vision. 31970405 10 Poillon G, Collin A, Benhamou Y, Clavel G, Savatovsky J, Pinson C. Increased diagnostic accuracy of giant cell arteritis using three-dimensional fat-saturated contrast-enhanced vessel-wall magnetic resonance imaging at 3 T. Eur Radiol. [Extracted from the article]