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His analytical tests of note showed: VSG: 70 and CRP: 60 and negative ANA and ANCA. A PET/CT with <span class="elsevierStyleSup">18</span>F-FDG was performed as the fever was of unknown origin.</p><p id="par0010" class="elsevierStylePara elsevierViewall">Images at 60<span class="elsevierStyleHsp" style=""></span>min postinjection of <span class="elsevierStyleSup">18</span>F-FDG show pathological increase of radiotracer uptake and linear morphology (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>) that in the fusion images correspond to the arterial walls of the supra-aortic trunks, subclavian arteries, ascending aorta, arch and descending aorta (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>) as well as bilateral common iliac and right internal arteries, with a SUVmax of 6.93 and compatible with the inflammatory process of the great vessels (compatible with the diagnosis of vasculitis).</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">The patient started treatment with corticosteroids with significant clinical improvement. They do not currently manifest symptoms and are in follow-up through consultations.</p><p id="par0020" class="elsevierStylePara elsevierViewall">The <span class="elsevierStyleSup">18</span>F-FDG PET/CT is a technique that has shown its usefulness in the diagnosis of vasculitis with a specificity of 60–92% and a sensitivity of 88–100%. It allows us to assess the extent of the disease and response to treatment, as well as guides the diagnosis when atypical symptoms exist (weight loss, malaise, fever of unknown origin).</p></span>" "pdfFichero" => "main.pdf" "tienePdf" => true "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as: Martin-Marcuartu JJ, Lojo-Ramirez JA, Pachón-Garrudo VM, Jimenez-Hoyuela JM. Diagnóstico de vasculitis en estudio <span class="elsevierStyleSup">18</span>F-FDG PET/TC en paciente con fiebre de origen desconocido. 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Journal Information
Vol. 152. Issue 3.
Pages 125 (February 2019)
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Vol. 152. Issue 3.
Pages 125 (February 2019)
Image in medicine
Diagnosis of vasculitis with 18F-FDG PET/CT study in patient with fever of unknown origin
Diagnóstico de vasculitis en estudio 18F-FDG PET/TC en paciente con fiebre de origen desconocido
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Juan Jose Martin-Marcuartu
, Jose Antonio Lojo-Ramirez, Victor Manuel Pachón-Garrudo, José Manuel Jimenez-Hoyuela
Corresponding author
Servicio de Medicina Nuclear, Hospital Universitario Virgen del Rocío, Sevilla, Spain
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