Diabetic foot osteomyelitis (DFO) is a bone infection of the foot that can occur in people with diabetes and may lead to serious complications, including amputation. Diagnosing DFO can be difficult. This prospective multicenter observational study will evaluate how accurately 18F-FDG PET/CT can diagnose DFO in patients who are already referred for this imaging test as part of their clinical care. The study will use current-generation digital PET/CT systems and standardized interpretation criteria. PET/CT findings will be compared with bone biopsy results when available, or with clinical and imaging findings obtained during at least 6 months of follow-up.
Study Type
OBSERVATIONAL
Enrollment
150
18F-FDG PET/CT of the feet performed using current-generation digital PET/CT systems and a standardized acquisition protocol. PET/CT images will subsequently be evaluated using standardized interpretation criteria to determine diagnostic performance for diabetic foot osteomyelitis.
UT Southwestern Medical Center
Dallas, Texas, United States
Hôpital du Sacré-Cœur de Montréal
Montreal, Canada
Jewish General Hospital
Montreal, Canada
McGill University Health Centre
Montreal, Canada
Diagnostic accuracy of 18F-FDG PET/CT for diabetic foot osteomyelitis
Diagnostic performance of 18F-FDG PET/CT for diabetic foot osteomyelitis will be assessed by calculating sensitivity, specificity, positive predictive value, and negative predictive value. PET/CT findings will be compared with a reference standard consisting of histopathology from bone biopsy when available, unequivocal cortical erosion/destruction on CT, or clinical and radiographic/CT confirmation during follow-up.
Time frame: At least 6 months after PET/CT
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