Prospective diagnostic accuracy study evaluates ultrasound, PET/CT, and temporal artery biopsy for giant cell arteritis, suggesting efficient testing options.
Ultrasound had high diagnostic accuracy for GCA, supporting this as the first imaging modality in suspected GCA. 2-[¹⁸F]FDG PET/CT combined a high diagnostic accuracy with fewer inconclusive results, suggesting it may be used for second-line testing when ultrasound is inconclusive, reserving TAB for third-line testing. A fast-track setup may facilitate efficient diagnostics.
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Hansen et al. (2026) studied this question.
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