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Lindenberg L, Mena E, Turkbey B, Shih JH, Reese SE, Harmon SA, Lim I, Lin F, Ton A, McKinney YL, Eclarinal P, Citrin DE, Dahut W, Madan R, Wood BJ, Krishnasamy V, Chang R, Levy E, Pinto P, Eary JF, Choyke PL. Evaluating Biochemically Recurrent Prostate Cancer: Histologic Validation of 18F-DCFPyL PET/CT with Comparison to Multiparametric MRI. Radiology 2020; 296:564-572. [PMID: 32633674 PMCID: PMC7457947 DOI: 10.1148/radiol.2020192018] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 04/29/2020] [Accepted: 05/12/2020] [Indexed: 12/24/2022]
Abstract
Background Prostate cancer recurrence is found in up to 40% of men with prior definitive (total prostatectomy or whole-prostate radiation) treatment. Prostate-specific membrane antigen PET agents such as 2-(3-{1-carboxy-5-[(6-[18F]fluoro-pyridine 3-carbonyl)-amino]-pentyl}-ureido)-pentanedioic acid (18F-DCFPyL) may improve detection of recurrence compared with multiparametric MRI; however, histopathologic validation is lacking. Purpose To determine the sensitivity, specificity, and positive predictive value (PPV) of 18F-DCFPyL PET/CT based on histologic analysis and to compare with pelvic multiparametric MRI in men with biochemically recurrent prostate cancer. Materials and Methods Men were prospectively recruited after prostatectomy and/or radiation therapy with rising prostate-specific antigen level (median, 2.27 ng/mL; range, 0.2-27.45 ng/mL) and a negative result at conventional imaging (bone scan and/or CT). Participants underwent 18F-DCFPyL PET/CT imaging and 3.0-T pelvic multiparametric MRI. Statistical analysis included Wald and modified χ2 tests. Results A total of 323 lesions were visualized in 77 men by using 18F-DCFPyL or multiparametric MRI, with imaging detection concordance of 25% (82 of 323) when including all lesions in the MRI field of view and 53% (52 of 99) when only assessing prostate bed lesions. 18F-DCFPyL depicted more pelvic lymph nodes than did MRI (128 vs 23 nodes). Histologic validation was obtained in 80 locations with sensitivity, specificity, and PPV of 69% (25 of 36; 95% confidence interval [CI]: 51%, 88%), 91% (40 of 44; 95% CI: 74%, 98%), and 86% (25 of 29; 95% CI: 73%, 97%) for 18F-DCFPyL and 69% (24 of 35; 95% CI: 50%, 86%), 74% (31 of 42; 95% CI: 42%, 89%), and 69% (24 of 35; 95% CI: 50%, 88%) for multiparametric MRI (P = .95, P = .14, and P = .07, respectively). In the prostate bed, sensitivity, specificity, and PPV were 57% (13 of 23; 95% CI: 32%, 81%), 86% (18 of 21; 95% CI: 73%, 100%), and 81% (13 of 16; 95% CI: 59%, 100%) for 18F-DCFPyL and 83% (19 of 23; 95% CI: 59%, 100%), 52% (11 of 21; 95% CI: 29%, 74%), and 66% (19 of 29; 95% CI: 44%, 86%) for multiparametric MRI (P = .19, P = .02, and P = .17, respectively). The addition of 18F-DCFPyL to multiparametric MRI improved PPV by 38% overall (P = .02) and by 30% (P = .09) in the prostate bed. Conclusion Findings with 2-(3-{1-carboxy-5-[(6-[18F]fluoro-pyridine 3-carbonyl)-amino]-pentyl}-ureido)-pentanedioic acid (18F-DCFPyL) were histologically validated and demonstrated high specificity and positive predictive value. In the pelvis, 18F-DCFPyL depicted more lymph nodes and improved positive predictive value and specificity when added to multiparametric MRI. © RSNA, 2020 Online supplemental material is available for this article. See also the editorial by Zukotynski and Rowe in this issue.
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Affiliation(s)
- Liza Lindenberg
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Esther Mena
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Baris Turkbey
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Joanna H. Shih
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Sarah E. Reese
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Stephanie A. Harmon
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Ilhan Lim
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Frank Lin
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Anita Ton
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Yolanda L. McKinney
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Philip Eclarinal
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Deborah E. Citrin
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - William Dahut
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Ravi Madan
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Bradford J. Wood
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Venkatesh Krishnasamy
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Richard Chang
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Elliot Levy
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Peter Pinto
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Janet F. Eary
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
| | - Peter L. Choyke
- From the Molecular Imaging Program, National Cancer Institute, Building 10, Room B3B47A, Bethesda, MD 20892 (L.L., E.M., B.T., I.L., F.L., A.T., Y.L.M., P.E., P.L.C.); Division of Cancer Treatment and Diagnosis: Biometric Research Program, National Cancer Institute, National Institutes of Health, Bethesda, Md (J.H.S.); National Cancer Institute Biometrics Research Program Contract, General Dynamics Information Technology, Falls Church, Va (S.E.R.); Clinical Research Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Bethesda, Md (S.A.H.); Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md (D.E.C.); Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (W.D., R.M.); Center of Interventional Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md (B.J.W., V.K., R.C., E.L.); Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Md (P.P.); and Cancer Imaging Program, National Cancer Institute, Bethesda, Md (J.F.E.)
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