Vera Schreiter, Maximilian Gericke, Uwe Heimann, Ingo Steffen, Lars Stelter, Martin H. Maurer, Bernd Hamm, Winfried Brenner, Dorothea Theilig, Johannes Kahn and Nils Friedemann Schreiter
Aim: To compare [68Ga]Ga-PSMA-HBED-CC PET and (99m)Tc-DPD bone scintigraphy for the detection of bone metastases from prostate cancer. Methods: [68Ga]Ga-PSMA-HBED-CC PET/CT and (99m)Tc-DPD bone scintigraphy in 19 men with histopathological proven prostate cancer were compared to each other for the sensitivity/specificity, accuracy, positive predictive value (PPV) and negative predictive value (NPV) for the detection of bone metastases. Results: According to the standard of reference lesion-based analysis of [68Ga]Ga-PSMA-HBED-CC PET and (99m)Tc-DPD bone scintigraphy reached a sensitivity of 45.6%/34%, specificity of 86.4%/81.4%, accuracy of 60.5%/ 51.2%, positive predictive value of 85.5%/76.1%, and negative predictive value of 47.7%/41.4%, respectively. Conclusion: [68Ga]Ga-PSMA-HBED-CC PET could detect significantly more bone metastases in prostate cancer than (99m)Tc-DPD bone scintigraphy.
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