Fig. 3From: Diffuse large B cell lymphoma involving Meckel’s cave masquerading as biopsy-negative giant cell arteritis: a case reportAlgorithm for evaluation of suspected giant cell arteritis based on presentation features. CTA computed tomography angiography, GCA giant cell arteritis, MRA magnetic resonance angiography, MRI magnetic resonance imaging, PET-CT positron emission tomography-computed tomography, TA temporal artery, u/s ultrasound. (Adapted with permission from Koster MJ, Matteson EL, Warrington, KJ. Large-vessel giant cell arteritis: diagnosis, monitoring and management. Rheumatology 2018;57:ii32–ii42)Back to article page