Comparative study of 18FFDG PET/CT and 99TcmMDP bone scintigraphy in detecting multiple myeloma bone destruction

Abstract

Abstract:ObjectiveTo explore the application value of 18Ffluorodeoxyglucose positron emission tomography/computed tomography (18FFDG PET/CT) and 99Tcmmethylene diphosphonate (99TcmMDP) bone scintigraphy for detecting bone destruction in multiple myeloma (MM). Methods18FFDG PET/CT and 99TcmMDP bone scintigraphy results of 27 MM patients were analyzed retrospectively. Inspection areas checked by magnetic resonance imaging (MRI) and Xray were the limited scopes. The location and number of bone destruction were recorded, and the maximal standardized uptake value (SUVmax) was measured simultaneously. The results were comparatively analyzed. Diagnostic certainty regarding the presence or absence of bone destruction was evaluated according to the reference standard consisting of MRI and Xray. ResultsA total of 235 lesions were found according to the reference standard. Of these, 227 lesions (97%) were identified by 18FFDG PET/CT, whereas 187 lesions (80%) were identified by bone scintigraphy, with a significant statistical difference (χ2=32.43, P＜0.05). SUVmax was 8.3±1.7 (4.3 to 18.9). The discovery rates of bone fracture of 18FFDG PET/CT and bone scintigraphy were 100% (97/97) and 90% (87/97), and there was a significant statistical difference between them (χ2=78.09, P＜0.05). Conclusion18FFDG PET/CT is a possible method to detect bone lesions in patients with MM, and is better than 99TcmMDP bone scintigraphy.

Key words:Multiple myeloma,Positronemission tomography,Tomography, emissioncomputed, singlephoton,Fluorodeoxyglucose F18,Technetium Tc 99m medronate

WU Zhi-Xing, 吕Kuan , ZHANG Ke, KONG Xiang-Hui, GUO Hui-Min. Comparative study of 18FFDG PET/CT and 99TcmMDP bone scintigraphy in detecting multiple myeloma bone destruction[J]. Journal of International Oncology, 2013, 40(12): 940-944.

References

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