"The added value of 18f-FDG PET/CT in the assessment of onset and steroid resistant polimyalgia rheumatica"

PMR is a common inflammatory rheumatic disease. Although its clinical characteristics are fully recognized, no specific test for its diagnosis has been established to date. Several studies have described a wide variety of diseases that present with polymyalgic symptoms. A .sup.18 FDG-PET/CT scan cou...

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Bibliographic Details
Published in:PloS one 2021-09, Vol.16 (9), p.e0255131-e0255131
Main Authors: Moya-Alvarado, Patricia, Fernandez Leon, Alejandro, Corica, Maria Emilia, Camacho Marti, Valle, López-Mora, Diego Alfonso, Castellví, Ivan, Corominas, Hèctor
Format: Article
Language:English
Subjects:
Biology and Life Sciences
Computed tomography
Coronary vessels
Diagnosis
Disease
Drug dosages
Evaluation
Hospitals
Medical diagnosis
Medical imaging
Medicine and Health Sciences
Neoplasms
Nuclear medicine
Patients
PET imaging
Physical Sciences
Polymyalgia rheumatica
Positron emission
Rheumatic diseases
Rheumatology
Shoulder
Signs and symptoms
Steroids
Tomography
Vasculitis
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Summary:PMR is a common inflammatory rheumatic disease. Although its clinical characteristics are fully recognized, no specific test for its diagnosis has been established to date. Several studies have described a wide variety of diseases that present with polymyalgic symptoms. A .sup.18 FDG-PET/CT scan could help to deal with these differential diagnoses. The goal of our study is to describe the findings of the .sup.18 FDG-PET/CT scan in a cohort of PMR patients and to detail how the .sup.18 FDG-PET/CT scan improves accuracy when diagnosing other underlying conditions. This cross-sectional study enrolled patients with a diagnosis of PMR who underwent to a .sup.18 FDG-PET/CT scan to rule out other diagnosis. The .sup.18 FDG-PET/CT scan was performed either following clinical criteria at the onset of clinical symptoms or when the patient became PMR steroid resistant. Patients' demographic, clinical and analytical data at the moment of the .sup.18 FDG-PET/CT scan were recorded. The final diagnosis was confirmed according to clinical judgement. A total of 103 patients with PMR were included. In 49.51% of patients, the .sup.18 FDG-PET/CT scan was ordered to study resistance to steroid therapy. The final diagnoses of patients were PMR in 70.9% patients, large vessel vasculitis in 15.5%, neoplasms 4.8% and another diagnosis in the rest. The .sup.18 FDG-PET/CT scan is a very useful technique for the study of Polymyalgia Rheumatica, not only to help in the diagnostic process, but also due to its role in the identification of a variety of PMR-like patrons.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0255131