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We thank Moiseev and colleagues for their interest in our manuscript addressing the sensitivity and specificity of positron emission tomography (PET)/CT with 18fluorodeoxyglucose (FDG) for detecting large-vessel inflammation in patients with giant-cell arteritis (GCA)1 and for sharing their own data.2 We totally agree with the authors that PET-CT may be a useful diagnostic tool for GCA although it may be still premature to state that PET/CT should be an independent diagnostic procedure. As mentioned in our article,1 one of the most important limitations in considering PET/CT as a routine diagnostic procedure is the lack of a precise definition of what is a positive or negative PET/CT. While cases with strong or no FDG uptake may …
Competing interests None.
Funding Supported by Ministerio de Economía y Competitividad (SAF 11/30073).
Patient consent Obtained.
Provenance and peer review Commissioned; internally peer reviewed.
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