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French recommendations for the use of Imaging in Giant Cell Arteritis
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DOI：10.1016/j.jbspin.2026.106073.png)
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Abstract
En 中文
• Objective evidence of vasculitis is recommended to support the diagnosis of Giant Cell Arteritis (GCA). The choice among Doppler ultrasound (DUS), FDG-PET/CT, MRI, and CT depends on local availability and expertise, as well as on the clinical presentation. • In patients with a high clinical probability of GCA, a positive imaging study is sufficient to confirm the diagnosis. • Doppler ultrasound is recommended as the first-line imaging modality for the diagnostic evaluation of suspected GCA. • Screening for aortic aneurysm should be performed during follow-up in patients with aortitis identified on FDG-PET/CT or other imaging modalities. • In patients with suspected GCA without cranial manifestations, FDG-PET/CT should be prioritized over temporal artery biopsy, arterial Doppler ultrasound, or brain MRI.
Keywords:
Giant cell arteritis
duplex ultrasound
magnetic resonance imaging
computed tomography and [18F]-fluorodeoxyglucose positron emission tomography
angiography
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