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Korean J Spine > Volume 2(3); 2005 > Article
19
The Role of 18F-FDG PET/CT Scan in Suspected Metastatic Spine Tumor
Hyung-Suk Oh, M.D., Byung-Chan Jeon, M.D., Yong-Sook Park, M.D.,Tae-Sang Chun, M.D., Nam-Kyu Kim, M.D..
Department of Neurosurgery, Kosin University Gospel Hospital, Busan, Korea
The Role of 18F-FDG PET/CT Scan in Suspected Metastatic Spine Tumor
Hyung-Suk Oh, M.D., Byung-Chan Jeon, M.D., Yong-Sook Park, M.D.,Tae-Sang Chun, M.D., Nam-Kyu Kim, M.D..
Abstract
Objective: This study aims to evaluate the role of 18F-FDG PET/CT(PET/CT) scan in suspected metastatic spine tumor.
Methods: Forty six patients were enrolled in this study. Inclusion criteria were decided as follows; prior cancer history, presentation with spinal symptoms such as back pain, sensory change, motor weakness and those who were taken both spinal MRI and PET/CT for the purpose of screening suspected metastatic spine lesions.
Results: Twenty six patients out of 46 patients had one or more lesions at MRI scan. Of them, twenty patients had hyper- metabolic lesions on PET/CT scans concordant with MRI lesions. In fifteen patients, neither MRI nor PET/CT scan revealed any abnormalities. The sensitivity of PET/CT scan was 80.0% and the specificity was 71.4%.
Conclusions: PET/CT combined with MRI seems to provide better sensitivity and specificity for discriminating suspected metastatic spine tumors than either one.
Keywords: Metastatic spine tumor.18F-FDG PET.Magnetic resonance imaging


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