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Singh KB, London KI, Wong VCK, Mansberg R. Diagnostic accuracy of bone scan at different PSA levels in biochemical recurrence of prostate cancer. J Med Imaging Radiat Sci 2024; 55:91-96. [PMID: 38216344 DOI: 10.1016/j.jmir.2023.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/14/2023] [Accepted: 12/21/2023] [Indexed: 01/14/2024]
Abstract
OBJECTIVE To determine the diagnostic accuracy of Bone Scan at different PSA levels for detecting skeletal metastases in men with biochemical recurrence of prostate cancer. METHODS We conducted a retrospective review of the statewide RIS-PACS to identify 251 men with biochemical recurrence who underwent both a Bone Scan and Ga68 PSMA PET/CT (within 2 months of each other) between September 2019 and December 2022 at a single institution. The Ga68 PSMA PET/CT report was considered to be the reference standard. RESULTS The median age was 72 years (IQR 67-76) with a median PSA level of 1 ng/ml (IQR 0.25-2.8). Using Ga68 PSMA PET/CT as the reference standard, 68/251 patients (25%) were positive for osseus metastases. Overall sensitivity and specificity of Bone Scan was 51% (95% CI 40-64%) and 99% (95% CI 98-100%) respectively. Using PSA banding, a PSA threshold of 20 ng/ml provided the greatest discriminatory benefit with sensitivity of the Bone Scan below the threshold being 46% (95% CI 33-59%) and above the threshold being 89% (95% CI 68-100%). Specificity remained consistently high both below and above this threshold. CONCLUSION Bone Scan provides greater diagnostic accuracy for detecting skeletal metastases in biochemical recurrence when the PSA level is above 20 ng/ml. This knowledge is valuable in optimising imaging algorithms in biochemical recurrence, particularly in regions where PSMA PET/CT is less readily available or affordable.
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Affiliation(s)
- Karan B Singh
- Department of Nuclear Medicine, The Children's Hospital at Westmead, Westmead, NSW 2145, Australia.
| | - Kevin I London
- Department of Nuclear Medicine, The Children's Hospital at Westmead, Westmead, NSW 2145, Australia; Discipline of Medical Imaging Science, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2050, Australia
| | - Veronica C K Wong
- Department of Nuclear Medicine & PET, Nepean Hospital, Kingswood, NSW 2747, Australia
| | - Robert Mansberg
- Department of Nuclear Medicine & PET, Nepean Hospital, Kingswood, NSW 2747, Australia
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2
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Ouvrard E, Kaseb A, Poterszman N, Porot C, Somme F, Imperiale A. Nuclear medicine imaging for bone metastases assessment: what else besides bone scintigraphy in the era of personalized medicine? Front Med (Lausanne) 2024; 10:1320574. [PMID: 38288299 PMCID: PMC10823373 DOI: 10.3389/fmed.2023.1320574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 12/28/2023] [Indexed: 01/31/2024] Open
Abstract
Accurate detection and reliable assessment of therapeutic responses in bone metastases are imperative for guiding treatment decisions, preserving quality of life, and ultimately enhancing overall survival. Nuclear imaging has historically played a pivotal role in this realm, offering a diverse range of radiotracers and imaging modalities. While the conventional bone scan using 99mTc marked bisphosphonates has remained widely utilized, its diagnostic performance is hindered by certain limitations. Positron emission tomography, particularly when coupled with computed tomography, provides improved spatial resolution and diagnostic performance with various pathology-specific radiotracers. This review aims to evaluate the performance of different nuclear imaging modalities in clinical practice for detecting and monitoring the therapeutic responses in bone metastases of diverse origins, addressing their limitations and implications for image interpretation.
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Affiliation(s)
- Eric Ouvrard
- Nuclear Medicine and Molecular Imaging, Institut de Cancérologie Strasbourg Europe (ICANS), University Hospitals of Strasbourg, University of Strasbourg, Strasbourg, France
| | - Ashjan Kaseb
- Nuclear Medicine and Molecular Imaging, Institut de Cancérologie Strasbourg Europe (ICANS), University Hospitals of Strasbourg, University of Strasbourg, Strasbourg, France
- Radiology, College of Medicine, University of Jeddah, Jeddah, Saudi Arabia
| | - Nathan Poterszman
- Nuclear Medicine and Molecular Imaging, Institut de Cancérologie Strasbourg Europe (ICANS), University Hospitals of Strasbourg, University of Strasbourg, Strasbourg, France
| | - Clémence Porot
- Radiopharmacy, Institut de Cancérologie Strasbourg Europe (ICANS), Strasbourg, France
| | - Francois Somme
- Nuclear Medicine and Molecular Imaging, Institut de Cancérologie Strasbourg Europe (ICANS), University Hospitals of Strasbourg, University of Strasbourg, Strasbourg, France
| | - Alessio Imperiale
- Nuclear Medicine and Molecular Imaging, Institut de Cancérologie Strasbourg Europe (ICANS), University Hospitals of Strasbourg, University of Strasbourg, Strasbourg, France
- IPHC, UMR 7178, CNRS/Unistra, Strasbourg, France
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3
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Costa LB, Moreira R, Gaspar PR, de Galiza Barbosa F. Prostate-Specific Membrane Antigen PET/Computed Tomography: Pearls and Pitfalls. Radiol Clin North Am 2024; 62:161-175. [PMID: 37973240 DOI: 10.1016/j.rcl.2023.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Prostate-specific membrane antigen PET (PSMA-PET) has emerged as a powerful imaging tool for prostate cancer primary staging, biochemical recurrence, and advanced disease assessment. This article offers a concise overview of the benefits and challenges associated with PSMA-PET for prostate cancer evaluation. The article highlights the advantages of PSMA-PET over conventional imaging, such as its higher sensitivity and specificity for detecting metastases, and the potential for guiding personalized treatment decisions. However, it also explores the limitations and potential pitfalls for interpretation. Overall, the article aims to provide valuable insights for clinicians and diagnostic imaging physicians in clinical practice.
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Affiliation(s)
- Larissa Bastos Costa
- Radiology and Nuclear Medicine Department, Hospital Sirio Libanes, Rua Adma Jafet 91, São Paulo, Brazil; Radiology and Nuclear Medicine Department, Americas Group, Rua Tupi 535, São Paulo, Brazil
| | - Renata Moreira
- Radiology and Nuclear Medicine Department, Casa de Saúde São José, R. Macedo Sobrinho, 21 - Humaitá, Rio de Janeiro 22271-080, Brazil
| | - Priscilla Romano Gaspar
- Nuclear Medicine Department, Hospital Vitória (Americas Group) and Hospital de Força Aérea do Galeão, Avenida Jorge Curry 550, Rio de Janeiro, Brazil
| | - Felipe de Galiza Barbosa
- Radiology and Nuclear Medicine Department, Hospital Sirio Libanes, Rua Adma Jafet 91, São Paulo, Brazil; Radiology and Nuclear Medicine Department, Americas Group, Rua Tupi 535, São Paulo, Brazil.
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Letang A, Crombé A, Rousseau C, Sargos P, Merlin C, Cantarel C, Cazeau AL. Bone Uptake in Prostate Cancer Patients: Diagnostic Performances of PSMA-RADS v1.0, Clinical, Biological, and 68 Ga-PSMA-11 PET Features to Predict Metastasis After Biochemical Recurrence. Clin Nucl Med 2022; 47:e529-e539. [PMID: 35543633 DOI: 10.1097/rlu.0000000000004259] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
PURPOSE 68 Gallium-labeled prostate-specific membrane antigen-11 (PSMA) PET/CT is the new reference to identify relapse during biochemical recurrence of prostate cancer (PCa). However, this method lacks specificity for bone foci. This study aimed to report the prevalence of PCa bone metastases and to assess the diagnostic performances of PSMA reporting and data systems (RADS), clinical, biological, and imaging features for identification. PATIENTS AND METHODS A multicentric retrospective cohort of consecutive patients with biochemical recurrence after local treatment was analyzed. Clinical and biological features at initial staging and during recurrence were retrieved from medical reports. The metastatic status of each bone uptake on PSMA PET/CT was determined according to histopathology, comparisons with concomitant and previous conventional imaging, prostate-specific antigen kinetic, and follow-up. Two nuclear medicine physicians assessed PSMA-RADS, anatomic location, radiological patterns, SUV max , and the presence of other molecular lesions. Univariate and multivariate analyses were conducted to identify independent predictors of PCa metastases. RESULTS In the eligible population, 98/298 patients (32.9%) showed bone uptake on PSMA PET/CT. In patients with a final diagnosis, 28/81 lesions (34.6%) were metastases. PSMA-RADS-4 or 5 showed sensitivity of 79%, specificity of 94%, and accuracy of 89%. PSMA-RADS had a significantly higher area under the receiver operating characteristic curve than the initial reading in clinical practice (0.91 vs 0.83, P = 0.0074). Initial Gleason score ≥8, age ≤71 years at recurrence, and SUV max >6.21 were independent predictors of PCa metastases in multivariate logistic regression ( P = 0.0314, 0.0179, and 0.0003, respectively). CONCLUSIONS Most bone uptakes at PSMA PET/CT were benign lesions. PSMA-RADS, patients and tumor characteristics, and SUV max could help identify PCa bone metastases.
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Affiliation(s)
| | | | - Caroline Rousseau
- ICO René Gauducheau, F-44800 Saint-Herblain, Nantes Université, Univ Angers, INSERM, CNRS, CRCI2NA, F-44000 Nantes
| | - Paul Sargos
- Department of Radiotherapy, Institut Bergonié, Bordeaux
| | - Charles Merlin
- Department of Nuclear Medicine, Centre Jean Perrin Cancer Center, Clermont-Ferrand
| | - Coralie Cantarel
- Clinical and Epidemiological Research Unit, INSERM CIC1401, Institut Bergonié, Comprehensive Cancer Center, Bordeaux, France
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Kesler M, Kerzhner K, Druckmann I, Kuten J, Levine C, Sarid D, Keizman D, Yossepowitch O, Even-Sapir E. Staging 68 Ga-PSMA PET/CT in 963 consecutive patients with newly diagnosed prostate cancer: incidence and characterization of skeletal involvement. Eur J Nucl Med Mol Imaging 2021; 49:2077-2085. [PMID: 34957528 DOI: 10.1007/s00259-021-05655-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 12/12/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE The aim of the study was to elaborate the incidence and type of skeletal involvement in a large cohort of patients with newly diagnosed prostate cancer (PCa) referred for Ga-68 PSMA-11 PET/CT staging in a single center. METHODS Study cohort included 963 consecutive patients with newly diagnosed PCa referred for Ga-68 PSMA-11 PET/CT study for staging. The incidence of bone involvement, type of bone metastases, and extent of disease were determined and correlated with the ISUP Grade Group (GG) criteria and PSA levels. RESULTS Bone metastases were found in 188 (19.5%) of 963 patients. Bone metastases were found in 10.7% of patients with PSA < 10 ng/dL and in 27.4% of patients with PSA > 10 ng/dL and in 6.1% of patients with GG ≤ 2/3 and in 8.9% of patients with GG 4/5. In 7.6% of the patients, skeletal involvement was extensive, while 11.9% of patients had oligometastatic disease. Osteoblastic type metastases were the most common type of bone metastases presented in 133 of the patients with malignant bone involvement (70.7%). More than half of them had only osteoblastic lesions (72 patients (38.3%)), while the other (61 patients (32.5%)) had also intramedullary and/or osteolytic type lesions. Intramedullary metastases were found in 97 patients (51.6%), while 41 (21.8%) of them were only intramedullary lesions. Osteolytic metastases were detected in 36 patients (19.2%), of which 8 were only osteolytic lesions. CONCLUSION Although traditionally bone metastases of PCa are considered osteoblastic, osteolytic and intramedullary metastases are common, as identified on PET with labeled PSMA. Skeletal spread may be present also in patients with GG ≤ 2/3 and PSA < 10 ng/dL.
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Affiliation(s)
- Mikhail Kesler
- Department of Nuclear Medicine, Tel Aviv Sourasky Medical Center, 6 Weizmann St., 6423906, Tel Aviv, Israel
| | - Kosta Kerzhner
- Department of Nuclear Medicine, Tel Aviv Sourasky Medical Center, 6 Weizmann St., 6423906, Tel Aviv, Israel
| | - Ido Druckmann
- Department of Radiology-Musculoskeletal Imaging Unit, Imaging Division, Tel Aviv Sourasky Medical Center, 6423906, Tel Aviv, Israel
| | - Jonathan Kuten
- Department of Nuclear Medicine, Tel Aviv Sourasky Medical Center, 6 Weizmann St., 6423906, Tel Aviv, Israel
| | - Charles Levine
- Department of Nuclear Medicine, Tel Aviv Sourasky Medical Center, 6 Weizmann St., 6423906, Tel Aviv, Israel
| | - David Sarid
- Department of Oncology (Uro-Oncology Section), Tel-Aviv Sourasky Medical Center, Sackler School of Medicine, 6423906, Tel Aviv, Israel
| | - Daniel Keizman
- Department of Oncology (Uro-Oncology Section), Tel-Aviv Sourasky Medical Center, Sackler School of Medicine, 6423906, Tel Aviv, Israel
| | - Ofer Yossepowitch
- Department of Urology, Tel Aviv Sourasky Medical Center, 6423906, Tel Aviv, Israel.,Sackler School of Medicine, Tel Aviv University, 6997801, Tel Aviv, Israel
| | - Einat Even-Sapir
- Department of Nuclear Medicine, Tel Aviv Sourasky Medical Center, 6 Weizmann St., 6423906, Tel Aviv, Israel. .,Sackler School of Medicine, Tel Aviv University, 6997801, Tel Aviv, Israel.
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Tian G, Hu K, Qiu S, Xie Y, Cao Y, Ni S, Zhang L. Exosomes derived from PC-3 cells suppress osteoclast differentiation by downregulating miR-148a and blocking the PI3K/AKT/mTOR pathway. Exp Ther Med 2021; 22:1304. [PMID: 34630659 PMCID: PMC8461599 DOI: 10.3892/etm.2021.10739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 05/04/2021] [Indexed: 02/05/2023] Open
Abstract
Prostate cancer is a leading malignancy in men that can also disrupt the bone tissue balance. Among all urological cancers, prostate cancer is associated with the highest rate of bone metastases, which can greatly reduce a patient's quality of life. In recent years, cell-derived exosomes, which can contain a wide range of biologically active molecules, have been reported as a novel method of communication among individual cells. However, the specific role that exosomes serve in this disease has not been fully elucidated. The prostate cancer cell line PC-3 were applied in the present study, where its exosomes were isolated to explore their potential effects on osteoclast differentiation. Exosomes are extracellular vesicles secreted by cells. The size of exosomes is 30-150 nm. They have double membrane structure and saucer-like morphology. They contain rich contents (including nucleic acid, protein and lipid) and participate in molecular transmission between cells. The combined results of tartrate-resistant acid phosphatase staining (to identify osteoclasts obtained from human peripheral blood mononuclear cells), reverse transcription-quantitative PCR and western blotting showed that PC-3-derived exosomes attenuated osteoclast differentiation by downregulating marker genes associated with osteoclastic maturation, including V-maf musculoaponeurotic fibrosarcoma oncogene homolog B, matrix metalloproteinase 9 and integrin β3. microRNA (miR)-148a expression was also found to be downregulated in osteoclasts by PC-3-derived exosomes. In addition, the mTOR and AKT signaling pathways were blocked after exposure to these PC-3 cell-derived exosomes. Therefore, results from the present study suggest that miR-148a mimics may be a new therapeutic approach for the prevention of prostate cancer bone metastases.
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Affiliation(s)
- Gaoqiang Tian
- Department of Spine Surgery, The Affiliated Yuebei People's Hospital of Shantou University Medical College, Shaoguan, Guangdong 512025, P.R. China
| | - Konghe Hu
- Department of Spine Surgery, The Affiliated Yuebei People's Hospital of Shantou University Medical College, Shaoguan, Guangdong 512025, P.R. China
| | - Sujun Qiu
- Department of Orthopedics, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P.R. China
| | - Yingming Xie
- Department of Orthopedics, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P.R. China
| | - Yanlin Cao
- Department of Orthopedics, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P.R. China
| | - Songjia Ni
- Department of Orthopedics, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P.R. China
- Correspondence to: Dr Songjia Ni, Department of Orthopedics, Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, 253 Gongye Avenue, Guangzhou, Guangdong 510280, P.R. China
| | - Lifang Zhang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital of Southern Medical University, Guangzhou, Guangdong 510250, P.R. China
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Van Damme J, Tombal B, Collette L, Van Nieuwenhove S, Pasoglou V, Gérard T, Jamar F, Lhommel R, Lecouvet FE. Comparison of 68Ga-Prostate Specific Membrane Antigen (PSMA) Positron Emission Tomography Computed Tomography (PET-CT) and Whole-Body Magnetic Resonance Imaging (WB-MRI) with Diffusion Sequences (DWI) in the Staging of Advanced Prostate Cancer. Cancers (Basel) 2021; 13:cancers13215286. [PMID: 34771449 PMCID: PMC8582508 DOI: 10.3390/cancers13215286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/04/2021] [Accepted: 10/14/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Precise staging is key for the optimal management of advanced prostate cancer. PSMA PET-CT and WB-MRI outperform standard imaging technology for staging high-risk prostate cancer, but direct comparison between both modalities is lacking. The primary endpoint of our study was to compare the diagnostic accuracy of both techniques in the detection of lymph node, bone and visceral metastases against a best valuable comparator (BVC), defined as a consensus adjudication of all lesions on the basis of baseline and follow-up imaging, biological and clinical data and histopathologic confirmation when available. Knowing the diagnostic accuracy of both next generation imaging modalities might influence the diagnostic and therapeutic strategy in prostate cancer by tailoring therapy. However, the impact on treatment and patient outcome of an improved detection of metastases has not been determined yet. Abstract Background: Prostate specific membrane antigen (PSMA) positron emission tomography computed tomography (PET-CT) and whole-body magnetic resonance imaging (WB-MRI) outperform standard imaging technology for the detection of metastasis in prostate cancer (PCa). There are few direct comparisons between both modalities. This paper compares the diagnostic accuracy of PSMA PET-CT and WB-MRI for the detection of metastasis in PCa. One hundred thirty-four patients with newly diagnosed PCa (n = 81) or biochemical recurrence after curative treatment (n = 53) with high-risk features prospectively underwent PSMA PET-CT and WB-MRI. The diagnostic accuracy of both techniques for lymph node, skeletal and visceral metastases was compared against a best valuable comparator (BVC). Overall, no significant difference was detected between PSMA PET-CT and WB-MRI to identify metastatic patients when considering lymph nodes, skeletal and visceral metastases together (AUC = 0.96 (0.92–0.99) vs. 0.90 (0.85–0.95); p = 0.09). PSMA PET-CT, however, outperformed WB-MRI in the subgroup of patients with newly diagnosed PCa for the detection of lymph node metastases (AUC = 0.96 (0.92–0.99) vs. 0.86 (0.79–0.92); p = 0.0096). In conclusion, PSMA PET-CT outperforms WB-MRI for the detection of nodal metastases in primary staging of PCa.
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Affiliation(s)
- Julien Van Damme
- Department of Urology, Institut de Recherche Expérimentale et Clinique (IREC), Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, B-1200 Brussels, Belgium; (J.V.D.); (B.T.)
| | - Bertrand Tombal
- Department of Urology, Institut de Recherche Expérimentale et Clinique (IREC), Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, B-1200 Brussels, Belgium; (J.V.D.); (B.T.)
| | - Laurence Collette
- International Drug Development Institute (IDDI), B-1341 Louvain-la-Neuve, Belgium;
| | - Sandy Van Nieuwenhove
- Department of Radiology, Institut de Recherche Expérimentale et Clinique (IREC-IMAG), Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, B-1200 Brussels, Belgium; (S.V.N.); (V.P.)
| | - Vassiliki Pasoglou
- Department of Radiology, Institut de Recherche Expérimentale et Clinique (IREC-IMAG), Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, B-1200 Brussels, Belgium; (S.V.N.); (V.P.)
| | - Thomas Gérard
- Department of Nuclear Medicine, Institut de Recherche Expérimentale et Clinique (IREC-MIRO), Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, B-1200 Brussels, Belgium; (T.G.); (F.J.); (R.L.)
| | - François Jamar
- Department of Nuclear Medicine, Institut de Recherche Expérimentale et Clinique (IREC-MIRO), Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, B-1200 Brussels, Belgium; (T.G.); (F.J.); (R.L.)
| | - Renaud Lhommel
- Department of Nuclear Medicine, Institut de Recherche Expérimentale et Clinique (IREC-MIRO), Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, B-1200 Brussels, Belgium; (T.G.); (F.J.); (R.L.)
| | - Frédéric E. Lecouvet
- Department of Radiology, Institut de Recherche Expérimentale et Clinique (IREC-IMAG), Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, B-1200 Brussels, Belgium; (S.V.N.); (V.P.)
- Correspondence:
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8
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Curcean A, Curcean S, Rescigno P, Dafydd DA, Tree A, Reid A, Koh DM, Sohaib A, Tunariu N, Shur J. Imaging features of the evolving patterns of metastatic prostate cancer. Clin Radiol 2021; 77:88-95. [PMID: 34598790 DOI: 10.1016/j.crad.2021.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 09/02/2021] [Indexed: 12/28/2022]
Abstract
The pattern of metastases in prostate cancer (PC) is evolving. Increased use of imaging, newer imaging techniques with higher sensitivity for disease detection and patients receiving multiple lines of novel therapies with increased life expectancy are likely to be contributory. Awareness of metastatic disease patterns improves early diagnosis, accurate staging, and initiation of appropriate therapy, and can inform prognostic information and anticipate potential disease complications. The aim of this review is to document the spectrum of metastases in PC including emerging and unusual patterns, and to highlight the role of novel imaging including prostate-specific membrane antigen (PSMA)-positron-emission tomography (PET) and whole-body magnetic resonance imaging (WB-MRI) to improve diagnostic and response assessment accuracy.
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Affiliation(s)
- A Curcean
- Department of Radiology, The Royal Marsden NHS Foundation Trust, UK; Institute of Cancer Research, Sutton, Surrey, UK
| | - S Curcean
- Department of Radiology, The Royal Marsden NHS Foundation Trust, UK
| | - P Rescigno
- Department of Radiology, The Royal Marsden NHS Foundation Trust, UK
| | - D Ap Dafydd
- Department of Radiology, The Royal Marsden NHS Foundation Trust, UK
| | - A Tree
- Institute of Cancer Research, Sutton, Surrey, UK; Academic Uro-oncology Unit, The Royal Marsden NHS Foundation Trust, UK
| | - A Reid
- Institute of Cancer Research, Sutton, Surrey, UK; Academic Uro-oncology Unit, The Royal Marsden NHS Foundation Trust, UK
| | - D-M Koh
- Department of Radiology, The Royal Marsden NHS Foundation Trust, UK; Institute of Cancer Research, Sutton, Surrey, UK
| | - A Sohaib
- Department of Radiology, The Royal Marsden NHS Foundation Trust, UK
| | - N Tunariu
- Department of Radiology, The Royal Marsden NHS Foundation Trust, UK; Institute of Cancer Research, Sutton, Surrey, UK
| | - J Shur
- Department of Radiology, The Royal Marsden NHS Foundation Trust, UK.
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9
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Bone scintigraphy as a gatekeeper for the detection of bone metastases in patients with prostate cancer: comparison with Ga-68 PSMA PET/CT. Ann Nucl Med 2020; 34:932-941. [PMID: 32975741 DOI: 10.1007/s12149-020-01529-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/08/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVES Gallium-68-labeled prostate-specific membrane antigen (Ga-PSMA) positron emission tomography (PET)/computed tomography (CT) is a valuable diagnostic tool for the detection of bone metastases in patients with prostate cancer (PCa). However, bone scintigraphy (BS) with technetium-labeled diphosphonates is cheap and widely available for the same patient population. PSMA PET comes with a cost, and financial constraints in the present economic environment may require its more selective use. In this study, we aimed to compare the diagnostic performance of BS with Ga-PSMA PET/CT for the detection of bone metastases in patients with PCa and correlate the results with various clinical and biochemical variables. MATERIALS AND METHODS Ninety-five patients who underwent Ga-PSMA PET/CT and BS within 3 months for newly diagnosed or recurrent PCa were extracted from our database. Lesion, region and patient-based analyses were performed. Clinical and imaging follow-up was used as the reference test. Results were compared with tumor grade, serum prostate-specific antigen (PSA), and alkaline phosphatase (ALP) values. RESULTS On the patient-based analysis, 75% (42/56) and 98.2% (55/56) of the patients with bone metastases were correctly diagnosed by BS and Ga-PSMA PET, respectively. In 26/95 patients with equivocal lesions on BS, Ga-PSMA PET correctly reclassified skeletal involvement in 11 and excluded metastases in 15 patients BS missed bone metastases in 3 patients. The true-positive rate of BS in patients with serum ALP ≥ 120U/L and PSA ≥ 50 ng/ml was 95.8% and 87.5 respectively. CONCLUSION Ga-PSMA is superior to BS for the evaluation of metastatic disease in patients with PCa. However, BS can also detect bone metastases in patients with PCa with a minimum sensitivity of 75%. Biochemical data are helpful to select patients with a high pretest probability who should undergo BS first as a part of the initial workup from an economic point of view. Due to its higher cost, Ga-PSMA PET should be performed in a selective group of patients when BS results are inconclusive or metastasis-directed therapy is planned.
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10
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Barbosa FG, Queiroz MA, Ferraro DA, Nunes RF, Dreyer PR, Zaniboni EC, Costa LB, Bastos DA, Marin JFG, Buchpiguel CA. Prostate-specific Membrane Antigen PET: Therapy Response Assessment in Metastatic Prostate Cancer. Radiographics 2020; 40:1412-1430. [PMID: 32762625 DOI: 10.1148/rg.2020200058] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Therapy response assessment is a critical step in cancer management, leading clinicians to optimize the use of therapeutic options during the course of the disease. Imaging is a pivotal biomarker for therapy response evaluation in oncology and has gained wider use through the development of reproducible data-based guidelines, of which the Response Evaluation Criteria in Solid Tumors is the most successful example. Disease-specific criteria have also been proposed, and the Prostate Cancer Working Group 3 criteria are the mainstay for prostate cancer (PC). However, conventional imaging evaluation in metastatic PC has several limitations, including (a) the inability to detect small-volume disease, (b) the high prevalence of bone (nonmeasurable) lesions at imaging, and (c) the established role of serum prostate-specific antigen (PSA) levels as the biomarker of choice for response assessment and disease progression. In addition, there are an increasing number of newer treatment options with various effects on imaging features. Prostate-specific membrane antigen (PSMA) PET has improved patient selection for newer treatments, such as metastasis-directed therapy (MDT) or radionuclide therapy. The role of PSMA PET in response assessment for many metastatic PC therapeutic options (MDT, androgen deprivation therapy, chemotherapy, radionuclide therapy, and immunotherapy) is an evolving issue, with emerging data showing good correlation with PSA levels and clinical outcome. However, there are specific implications of each therapy (especially androgen deprivation therapy and immunotherapy) on PSMA expression by PC cells, leading to potential pitfalls and inaccuracies that must be known by radiologists. Despite some limitations, PSMA PET is addressing gaps left by conventional imaging methods (eg, CT and bone scanning) and nonimaging biomarkers (PSA levels) in metastatic PC therapy response assessment, a role that can be improved with advances like refinement of interpretation criteria and whole-body tumor burden quantification.© RSNA, 2020See discussion on this article by Barwick and Castellucci.
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Affiliation(s)
- Felipe G Barbosa
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - Marcelo A Queiroz
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - Daniela A Ferraro
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - Rafael F Nunes
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - Priscilla R Dreyer
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - Elaine C Zaniboni
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - Larissa B Costa
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - Diogo A Bastos
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - José Flávio G Marin
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
| | - Carlos A Buchpiguel
- From the Departments of Radiology (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.) and Oncology (D.A.B.), Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, São Paulo, SP, CEP 01308-060, Brazil (F.G.B., M.A.Q., R.F.N., P.R.D., E.C.Z., L.B.C., J.F.G.M., C.A.B.); Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil (M.A.Q., D.A.B., J.F.G.M., C.A.B.); and Department of Nuclear Medicine, University Hospital of Zurich, Zurich, Switzerland (D.A.F.)
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Mena E, Black PC, Rais-Bahrami S, Gorin M, Allaf M, Choyke P. Novel PET imaging methods for prostate cancer. World J Urol 2020; 39:687-699. [PMID: 32671604 DOI: 10.1007/s00345-020-03344-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/02/2020] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Prostate cancer is a common neoplasm but conventional imaging methods such as CT and bone scan are often insensitive. A new class of PET agents have emerged to diagnose and manage prostate cancer. METHODS The relevant literature on PET imaging agents for prostate cancer was reviewed. RESULTS This review shows a broad range of PET imaging agents, the most successful of which is prostate specific membrane antigen (PSMA) PET. Other agents either lack the sensitivity or specificity of PSMA PET. CONCLUSION Among the available PET agents for prostate cancer, PSMA PET has emerged as the leader. It is likely to have great impact on the diagnosis, staging and management of prostate cancer patients.
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Affiliation(s)
- Esther Mena
- Molecular Imaging Program, National Cancer Institute, 10 Center Dr, Bldg 10, Room B3B69F, Bethesda, MD, 20892-1088, USA
| | - Peter C Black
- University of British Columbia, Vancouver, BC, Canada
| | | | - Michael Gorin
- Department of Urology, Johns Hopkins University, Baltimore, MD, USA
| | - Mohamad Allaf
- Department of Urology, Johns Hopkins University, Baltimore, MD, USA
| | - Peter Choyke
- Molecular Imaging Program, National Cancer Institute, 10 Center Dr, Bldg 10, Room B3B69F, Bethesda, MD, 20892-1088, USA.
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12
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Anttinen M, Ettala O, Malaspina S, Jambor I, Sandell M, Kajander S, Rinta-Kiikka I, Schildt J, Saukko E, Rautio P, Timonen KL, Matikainen T, Noponen T, Saunavaara J, Löyttyniemi E, Taimen P, Kemppainen J, Dean PB, Blanco Sequeiros R, Aronen HJ, Seppänen M, Boström PJ. A Prospective Comparison of 18F-prostate-specific Membrane Antigen-1007 Positron Emission Tomography Computed Tomography, Whole-body 1.5 T Magnetic Resonance Imaging with Diffusion-weighted Imaging, and Single-photon Emission Computed Tomography/Computed Tomography with Traditional Imaging in Primary Distant Metastasis Staging of Prostate Cancer (PROSTAGE). Eur Urol Oncol 2020; 4:635-644. [PMID: 32675047 DOI: 10.1016/j.euo.2020.06.012] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/08/2020] [Accepted: 06/29/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND Computed tomography (CT) and bone scintigraphy (BS) are the imaging modalities currently used for distant metastasis staging of prostate cancer (PCa). OBJECTIVE To compare standard staging modalities with newer and potentially more accurate imaging modalities. DESIGN, SETTING, AND PARTICIPANTS This prospective, single-centre trial (NCT03537391) enrolled 80 patients with newly diagnosed high-risk PCa (International Society of Urological Pathology grade group ≥3 and/or prostate-specific antigen [PSA] ≥20 and/or cT ≥ T3; March 2018-June 2019) to undergo primary metastasis staging with two standard and three advanced imaging modalities. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS The participants underwent the following five imaging examinations within 2 wk of enrolment and without a prespecified sequence: BS, CT, 99mTc-hydroxymethylene diphosphonate (99mTc-HMDP) single-photon emission computed tomography (SPECT)-CT, 1.5 T whole-body magnetic resonance imaging (WBMRI) using diffusion-weighted imaging, and 18F-prostate-specific membrane antigen-1007 (18F-PSMA-1007) positron emission tomography(PET)-CT. Each modality was reviewed by two independent experts blinded to the results of the prior studies, who classified lesions as benign, equivocal, or malignant. Pessimistic and optimistic analyses were performed to resolve each equivocal diagnosis. The reference standard diagnosis was defined using all available information accrued during at least 12 mo of clinical follow-up. Patients with equivocal reference standard diagnoses underwent MRI and/or CT to search for the development of anatomical correspondence. PSMA PET-avid lesions without histopathological verification were rated to be malignant only if there was a corresponding anatomical finding suspicious for malignancy at the primary or follow-up imaging. RESULTS AND LIMITATIONS Seventy-nine men underwent all imaging modalities except for one case of interrupted MRI. The median interval per patient between the first and the last imaging study was 8 d (interquartile range [IQR]: 6-9). The mean age was 70 yr (standard deviation: 7) and median PSA 12 ng/mL (IQR:7-23). The median follow-up was 435 d (IQR: 378-557). Metastatic disease was detected in 20 (25%) patients. The imaging modality 18F-PSMA-1007 PET-CT had superior sensitivity and highest inter-reader agreement. The area under the receiver-operating characteristic curve (AUC) values for bone metastasis detection with PSMA PET-CT were 0.90 (95% confidence interval [CI]: 0.85-0.95) and 0.91 (95% CI: 0.87-0.96) for readers 1 and 2, respectively, while the AUC values for BS, CT, SPECT-CT, and WBMRI were 0.71 (95% CI: 0.58-0.84) and 0.8 (95% CI: 0.67-0.92), 0.53 (95% CI: 0.39-0.67) and 0.66 (95% CI: 0.54-0.77), 0.77 (95% CI: 0.65-0.89) and 0.75 (95% CI: 0.62-0.88), and 0.85 (95% CI: 0.74-0.96) and 0.67 (95% CI: 0.54-0.80), respectively, for the other four pairs of readers. The imaging method 18F-PSMA-1007 PET-CT detected metastatic disease in 11/20 patients in whom standard imaging was negative and influenced clinical decision making in 14/79 (18%) patients. In 12/79 cases, false positive bone disease was reported only by PSMA PET-CT. Limitations included a nonrandomised study setting and few histopathologically validated suspicious lesions. CONCLUSIONS Despite the risk of false positive bone lesions, 18F-PSMA-1007 PET-CT outperformed all other imaging methods studied for the detection of primary distant metastasis in high-risk PCa. PATIENT SUMMARY In this report, we compared the diagnostic performance of conventional and advanced imaging. It was found that 18F-prostate-specific membrane antigen-1007 positron emission tomography/computed tomography (18F-PSMA-1007 PET-CT) was superior to the other imaging modalities studied for the detection of distant metastasis at the time of initial diagnosis of high-risk prostate cancer. PSMA PET-CT also appears to detect some nonmetastatic bone lesions.
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Affiliation(s)
- Mikael Anttinen
- Department of Urology, University of Turku and Turku University Hospital, Turku, Finland.
| | - Otto Ettala
- Department of Urology, University of Turku and Turku University Hospital, Turku, Finland
| | - Simona Malaspina
- Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland
| | - Ivan Jambor
- Department of Diagnostic Radiology, University of Turku and Turku University Hospital, Turku, Finland; Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Minna Sandell
- Department of Diagnostic Radiology, University of Turku and Turku University Hospital, Turku, Finland
| | - Sami Kajander
- Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland
| | - Irina Rinta-Kiikka
- Department of Radiology, Tampere University and Tampere University Hospital, Tampere, Finland
| | - Jukka Schildt
- Department of Clinical Physiology and Nuclear Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Ekaterina Saukko
- Department of Diagnostic Radiology, University of Turku and Turku University Hospital, Turku, Finland
| | - Pentti Rautio
- Department of Clinical Physiology, North Karelia Central Hospital, Joensuu, Finland
| | - Kirsi L Timonen
- Department of Clinical Physiology and Nuclear Medicine, Central Hospital of Central Finland, Jyväskylä, Finland
| | - Tuomas Matikainen
- Department of Urology, University of Turku and Turku University Hospital, Turku, Finland
| | - Tommi Noponen
- Department of Medical Physics and Nuclear Medicine, University of Turku and Turku University Hospital, Turku, Finland
| | - Jani Saunavaara
- Department of Medical Physics and Nuclear Medicine, University of Turku and Turku University Hospital, Turku, Finland
| | | | - Pekka Taimen
- Institute of Biomedicine, University of Turku and Department of Pathology, Turku University Hospital, Turku, Finland
| | - Jukka Kemppainen
- Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland
| | - Peter B Dean
- Department of Diagnostic Radiology, University of Turku and Turku University Hospital, Turku, Finland
| | - Roberto Blanco Sequeiros
- Department of Diagnostic Radiology, University of Turku and Turku University Hospital, Turku, Finland
| | - Hannu J Aronen
- Department of Diagnostic Radiology, University of Turku and Turku University Hospital, Turku, Finland
| | - Marko Seppänen
- Department of Clinical Physiology, Nuclear Medicine and Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland
| | - Peter J Boström
- Department of Urology, University of Turku and Turku University Hospital, Turku, Finland
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de Galiza Barbosa F, Queiroz MA, Nunes RF, Costa LB, Zaniboni EC, Marin JFG, Cerri GG, Buchpiguel CA. Nonprostatic diseases on PSMA PET imaging: a spectrum of benign and malignant findings. Cancer Imaging 2020; 20:23. [PMID: 32169115 PMCID: PMC7071711 DOI: 10.1186/s40644-020-00300-7] [Citation(s) in RCA: 142] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 03/02/2020] [Indexed: 02/08/2023] Open
Abstract
PSMA PET imaging was originally used to assess biochemical recurrence of prostate cancer (PCa), but its clinical use was promptly extended to detection, staging and therapy response assessment. The expanding use of PSMA PET worldwide has also revealed PSMA ligand uptake in diverse nonprostatic diseases, which raised questions about the specificity of this imaging modality. Although not very common initially, a growing number of pathologies presenting PSMA uptake on PET have been reported in the last few years, and a proper interpretation of PSMA PET imaging findings suddenly became challenging and, to some extent, confusing. Compared to cytoplasmic PSMA expression in nonprostatic cells, the molecular features of apical PSMA expression in PCa cells can help to distinguish these various conditions. Correlations of imaging findings to patient history, to the expected pattern of disease spread and mainly to computed tomography (CT) and/or magnetic resonance imaging (MRI) characteristics will reinforce the distinction of lesions that are more likely related to PCa from those that could lead to an incorrect diagnosis. The overall benefits of endothelial PSMA expression, which is associated with the neovasculature of malignant neoplasms, will be highlighted, stating the potential use of PSMA ligand uptake as a theranostic tool. This review aims to cover the collection of nonprostatic diseases, including benign and malignant tumors, in a didactic approach according to disease etiology, with discussion of bone-related conditions and inflammatory and infectious processes.
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Affiliation(s)
- Felipe de Galiza Barbosa
- Department of Radiology, Hospital Sirio-Libanes, Rua Dona Adma Jafet, 91, Sao Paulo, ZIP: 01308-050, Brazil
| | - Marcelo Araujo Queiroz
- Department of Radiology, Hospital Sirio-Libanes, Rua Dona Adma Jafet, 91, Sao Paulo, ZIP: 01308-050, Brazil.
| | - Rafael Fernandes Nunes
- Department of Radiology, Hospital Sirio-Libanes, Rua Dona Adma Jafet, 91, Sao Paulo, ZIP: 01308-050, Brazil
| | - Larissa Bastos Costa
- Department of Radiology, Hospital Sirio-Libanes, Rua Dona Adma Jafet, 91, Sao Paulo, ZIP: 01308-050, Brazil
| | - Elaine Caroline Zaniboni
- Department of Radiology, Hospital Sirio-Libanes, Rua Dona Adma Jafet, 91, Sao Paulo, ZIP: 01308-050, Brazil
| | - José Flavio Gomes Marin
- Department of Radiology, Hospital Sirio-Libanes, Rua Dona Adma Jafet, 91, Sao Paulo, ZIP: 01308-050, Brazil
| | - Giovanni Guido Cerri
- Department of Radiology, Hospital Sirio-Libanes, Rua Dona Adma Jafet, 91, Sao Paulo, ZIP: 01308-050, Brazil
| | - Carlos Alberto Buchpiguel
- Department of Radiology, Hospital Sirio-Libanes, Rua Dona Adma Jafet, 91, Sao Paulo, ZIP: 01308-050, Brazil
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Amorim BJ, Prabhu V, Marco SS, Gervais D, Palmer WE, Heidari P, Vangel M, Saylor PJ, Catalano OA. Performance of 18F-fluciclovine PET/MR in the evaluation of osseous metastases from castration-resistant prostate cancer. Eur J Nucl Med Mol Imaging 2019; 47:105-114. [DOI: 10.1007/s00259-019-04506-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 08/22/2019] [Indexed: 01/17/2023]
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15
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68Ga-PSMA-11 PET/CT derived quantitative volumetric tumor parameters for classification and evaluation of therapeutic response of bone metastases in prostate cancer patients. Ann Nucl Med 2019; 33:766-775. [DOI: 10.1007/s12149-019-01387-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 07/16/2019] [Indexed: 01/02/2023]
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16
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Sheikhbahaei S, Werner RA, Solnes LB, Pienta KJ, Pomper MG, Gorin MA, Rowe SP. Prostate-Specific Membrane Antigen (PSMA)-Targeted PET Imaging of Prostate Cancer: An Update on Important Pitfalls. Semin Nucl Med 2019; 49:255-270. [DOI: 10.1053/j.semnuclmed.2019.02.006] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Abstract
PURPOSE OF REVIEW In recent years, a large number of reports have been published on prostate-specific membrane antigen (PSMA)/PET in prostate cancer (PCa). This review highlights advances in PSMA PET in PCa during the past year. RECENT FINDINGS PSMA PET/computed tomography (CT) is useful in detection of biochemical recurrence, especially at low prostate-specific antigen (PSA) values. The detection rate of PSMA PET is influenced by PSA level. For primary PCa, PSMA PET/CT shows promise for tumour localization in the prostate, especially in combination with multiparametric MRI (mpMRI). For primary staging, PSMA PET/CT can be used in intermediate and high-risk PCa. Intraoperative PSMA radioligand guidance seems promising for detection of malignant lymph nodes. While the use of PSMA PET/MRI in primary localized disease is limited to high and intermediate-risk patients and localized staging, in the recurrence setting, PET/MRI can be particularly helpful when the lesions are subtle. PSMA PET/CT is superior to choline PET/CT and other conventional imaging modalities. SUMMARY Molecular imaging with PSMA PET continues to pave the way for personalized medicine in PCa.However, large prospective clinical studies are still needed to fully evaluate the role of PSMA PET/CT and PET/MRI in the clinical workflow of PCa.
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Abstract
Prostate cancer (PCa) is the most common cancer in men worldwide, but it exhibits a highly variable biological behavior ranging from indolent to highly aggressive disease. The standard conventional imaging for staging PCa consists of CT, MRI, and bone scans, but this imaging has suboptimal accuracy for extraprostatic tumor detection, particularly in the scenario of early biochemical relapse when the prostate-specific antigen levels are still low indicating a low volume of recurrent disease. This gap between known disease (as indicated by a rising prostate-specific antigen) and the failure to detect it on conventional imaging, has led to the development of novel imaging probes most of which have positron emitting radioactive tags. In the last decade, multiple PET probes have demonstrated promising performance in detecting sites of recurrence and extent of disease in patients with PCa. The landscape of available PET radiotracers is changing rapidly and includes radiolabeled choline, anti1-amino-3-18F-fluorocyclobutane-1-carboxylic acid (18F-fluciclovine), bombesin, dihydrotestosterone, and prostate-specific membrane antigen (PSMA) ligands, among others. Of these, radiolabeled PSMA-PET agents have shown the most encouraging results in terms of sensitivity and are likely to become universally available for imaging PCa within a few years Other PET radiotracers such as bombesin-based radiotracers and antagonist of gastrin releasing-peptide receptor (RM2) are emerging as possible alternatives for PCa imaging. This review article discusses the current and near-future of PET molecular imaging probes.
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Affiliation(s)
- Esther Mena
- Molecular Imaging Program, National Cancer Institute, NIH. Bethesda, MD
| | - Liza M Lindenberg
- Molecular Imaging Program, National Cancer Institute, NIH. Bethesda, MD
| | - Peter L Choyke
- Molecular Imaging Program, National Cancer Institute, NIH. Bethesda, MD.
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19
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Letellier A, Johnson AC, Kit NH, Savigny JF, Batalla A, Parienti JJ, Aide N. Uptake of Radium-223 Dichloride and Early [ 18F]NaF PET Response Are Driven by Baseline [ 18F]NaF Parameters: a Pilot Study in Castration-Resistant Prostate Cancer Patients. Mol Imaging Biol 2019; 20:482-491. [PMID: 29027074 DOI: 10.1007/s11307-017-1132-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE The purpose of this study is to identify predictive factors on baseline [18F]NaF positron emission tomography (PET)/computed tomography (CT) of early response to radium-223 dichloride after 3 cycles of treatment in metastatic castration-resistant prostate cancer patients. PROCEDURES Analysis of 152 metastases was performed in six consecutive patients who underwent [18F]NaF PET/CT at baseline and for early monitoring after 3 cycles of radium-223 dichloride. All metastases depicted on whole-body [18F]NaF PET/CT were contoured and CT (density in Hounsfield units, sclerotic, mixed, or lytic appearance) as well as [18F]NaF [maximum standardized uptake value (SUVmax), SUVmean, and lesion volume (V18F-NaF)] patterns were recorded. Tumor response was defined as percentage change in SUVmax and SUVmean between baseline and post-treatment PET. Bone lesions were defined as stable, responsive, or progressive, according to thresholds derived from a recent multicentre test-retest study in [18F]NaF PET/CT. Total [18F]NaF uptake in metastases, defined as MATV × SUVmean, was correlated to uptake of radium-223 on biodistribution scintigraphy performed 7 days after the first cycle of treatment. RESULTS Among metastases, 116 involved the axial skeleton and 36 the appendicular skeleton. Lesions were sclerotic in 126 cases and mixed in 26 cases. No lytic lesion was depicted. ROC analysis showed that SUVmax and SUVmean were better predictors of lesion response than V18F-NaF and density on CT (P < 0.0001 and P = 0.001, respectively). SUVmax and SUVmean were predictors of individual tumor response in separate multivariate models (P = 0.01 and P = 0.02, respectively). CT pattern (mixed versus sclerotic) and lesion density were independent predictors only when assessing response with delta SUVmax (P = 0.002 and 0.007, respectively). A good correlation between total [18F]NaF uptake within metastases and their relative radium-223 uptake assessed by two observers 7 days after treatment (r = 0.72 and 0.77, P < 0.0001) was found. CONCLUSIONS SUVmax and SUVmean on baseline [18F]NaF PET/CT are independent predictors of bone lesions' response to 3 cycles of radium-223 dichloride, supporting the use of NaF to select patients more likely to respond to treatment.
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Affiliation(s)
- Arthur Letellier
- Nuclear Medicine Department, Caen University Hospital, 14000, Caen, France.,Radiology Department, University Hospital, Caen, France
| | | | - Nicolas How Kit
- Nuclear Medicine Department, Caen University Hospital, 14000, Caen, France.,Radiology Department, University Hospital, Caen, France
| | | | - Alain Batalla
- Medical Physics, François Baclesse Cancer Centre, Caen, France
| | - Jean-Jacques Parienti
- Clinical Research Unit, University Hospital, Caen, France.,EA2656 (GRAM 2.0), Normandie University, Caen, France
| | - Nicolas Aide
- Nuclear Medicine Department, Caen University Hospital, 14000, Caen, France. .,INSERM 1199 ANTICIPE, Normandie University, Caen, France.
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Barbosa FG, Queiroz MA, Nunes RF, Viana PCC, Marin JFG, Cerri GG, Buchpiguel CA. Revisiting Prostate Cancer Recurrence with PSMA PET: Atlas of Typical and Atypical Patterns of Spread. Radiographics 2019; 39:186-212. [DOI: 10.1148/rg.2019180079] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Felipe G. Barbosa
- From the Department of Radiology, Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, CEP 01308-060, São Paulo, SP, Brazil; and Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil (M.A.Q., P.C.C.V., J.F.G.M., G.G.C., C.A.B.)
| | - Marcelo A. Queiroz
- From the Department of Radiology, Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, CEP 01308-060, São Paulo, SP, Brazil; and Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil (M.A.Q., P.C.C.V., J.F.G.M., G.G.C., C.A.B.)
| | - Rafael F. Nunes
- From the Department of Radiology, Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, CEP 01308-060, São Paulo, SP, Brazil; and Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil (M.A.Q., P.C.C.V., J.F.G.M., G.G.C., C.A.B.)
| | - Publio C. C. Viana
- From the Department of Radiology, Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, CEP 01308-060, São Paulo, SP, Brazil; and Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil (M.A.Q., P.C.C.V., J.F.G.M., G.G.C., C.A.B.)
| | - José Flávio G. Marin
- From the Department of Radiology, Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, CEP 01308-060, São Paulo, SP, Brazil; and Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil (M.A.Q., P.C.C.V., J.F.G.M., G.G.C., C.A.B.)
| | - Giovanni G. Cerri
- From the Department of Radiology, Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, CEP 01308-060, São Paulo, SP, Brazil; and Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil (M.A.Q., P.C.C.V., J.F.G.M., G.G.C., C.A.B.)
| | - Carlos A. Buchpiguel
- From the Department of Radiology, Hospital Sírio-Libanês, Rua Dona Adma Jafet 115, CEP 01308-060, São Paulo, SP, Brazil; and Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil (M.A.Q., P.C.C.V., J.F.G.M., G.G.C., C.A.B.)
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Afaq A, Bomanji J. Prostate-specific membrane antigen positron emission tomography in the management of recurrent prostate cancer. Br Med Bull 2018; 128:37-48. [PMID: 30272121 DOI: 10.1093/bmb/ldy032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 08/30/2018] [Indexed: 11/12/2022]
Abstract
INTRODUCTION There is an unmet clinical need for early, accurate imaging of recurrent prostate cancer to improve patient outcomes. Staging, by conventional bone scintigraphy and CT have become outdated. 68Ga-PSMA PET/CT imaging in this setting has developed rapidly, with widespread International adoption in line with evidence-based guidelines in this group of patients. SOURCES OF DATA A PubMed search of English language articles was performed using following keywords: PSMA, PET/CT, biochemical recurrence, prostate cancer. The search revealed 85 articles, of which 75 were original; 70 of these involved use of the most widely available type of PSMA tracer (HBED). The review also relied on the clinical experience of reporting over 1000 PSMA PET/CT studies at a major tertiary referral centre for uro-oncology, with the majority of cases having been performed in the biochemical recurrence setting from 2015 to 2018. AREAS OF AGREEMENT 68Ga-PSMA PET is a game changer and superior to choline PET and other established tracers which have been used in prostate cancer evaluation. Detection of recurrence at the prostate bed remains challenging due to bladder and urethral tracer accumulation. The main strength of PSMA PET/CT is its ability to identify small (<8 mm) pathological lymph nodes, upstaging nodal status in up to two-thirds of cases. Additionally, PSMA PET/CT, detects bone and bone marrow metastases missed by conventional bone and CT imaging. Thus, PSMA PET/CT has major impact on patient management, with studies reporting overall changes in 39-76% of cases. AREAS OF CONTROVERSY Controversy exists regarding patient access and NHS affordability of PSMA PET/CT imaging. Currently, no reimbursement is available under the NHS tariff system. The cost outlay for tertiary hospital linked PET centres ranges from £150-170 K. Large referral volumes, and technical advances in manufacturing process will make this tracer cost neutral and similar to the current funded, but less sensitive, choline PET. Current NICE guidelines for prostate cancer management do not include a recommendation on when PSMA PET/CT should be used and this is likely to remain the case in the next revision, due in 2019. GROWING POINTS Although PSMA PET/CT imaging results in significant management change, there is a need for high quality economic evaluation and cost analysis for this modality. Lack of this data will result in poor adoption of this technique and thus limit patient access. Furthermore, it is hoped that future tracers will become even more sensitive and identify disease at earlier thresholds. AREAS TIMELY FOR DEVELOPING RESEARCH Well-designed clinical trials with consideration of the health economic benefit of using PSMA PET/CT will be essential to provide a basis for entry into guidelines such as NICE and to provide a rationale for reimbursement.
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Affiliation(s)
- Asim Afaq
- Institute of Nuclear Medicine, University College London Hospitals NHS Foundation Trust, London, UK
| | - Jamshed Bomanji
- Institute of Nuclear Medicine, University College London Hospitals NHS Foundation Trust, London, UK
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Uprimny C, Svirydenka A, Fritz J, Kroiss AS, Nilica B, Decristoforo C, Haubner R, von Guggenberg E, Buxbaum S, Horninger W, Virgolini IJ. Comparison of [ 68Ga]Ga-PSMA-11 PET/CT with [ 18F]NaF PET/CT in the evaluation of bone metastases in metastatic prostate cancer patients prior to radionuclide therapy. Eur J Nucl Med Mol Imaging 2018; 45:1873-1883. [PMID: 29766246 DOI: 10.1007/s00259-018-4048-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 05/02/2018] [Indexed: 02/07/2023]
Abstract
AIM The purpose of this study was to investigate the diagnostic performance of 68Ga-PSMA-11 PET/CT in the evaluation of bone metastases in metastatic prostate cancer (PC) patients scheduled for radionuclide therapy in comparison to [18F]sodium fluoride (18F-NaF) PET/CT. METHODS Sixteen metastatic PC patients with known skeletal metastases, who underwent both 68Ga-PSMA-11 PET/CT and 18F-NaF PET/CT for assessment of metastatic burden prior to radionuclide therapy, were analysed retrospectively. The performance of both tracers was calculated on a lesion-based comparison. Intensity of tracer accumulation of pathologic bone lesions on 18F-NaF PET and 68Ga-PSMA-11 PET was measured with maximum standardized uptake values (SUVmax) and compared to background activity of normal bone. In addition, SUVmax values of PET-positive bone lesions were analysed with respect to morphologic characteristics on CT. Bone metastases were either confirmed by CT or follow-up PET scan. RESULTS In contrast to 468 PET-positive lesions suggestive of bone metastases on 18F-NaF PET, only 351 of the lesions were also judged positive on 68Ga-PSMA-11 PET (75.0%). Intensity of tracer accumulation of pathologic skeletal lesions was significantly higher on 18F-NaF PET compared to 68Ga-PSMA-11 PET, showing a median SUVmax of 27.0 and 6.0, respectively (p < 0.001). Background activity of normal bone was lower on 68Ga-PSMA-11 PET, with a median SUVmax of 1.0 in comparison to 2.7 on 18F-NaF PET; however, tumour to background ratio was significantly higher on 18F-NaF PET (9.8 versus 5.9 on 68Ga-PSMA-11 PET; p = 0.042). Based on morphologic lesion characterisation on CT, 18F-NaF PET revealed median SUVmax values of 23.6 for osteosclerotic, 35.0 for osteolytic, and 19.0 for lesions not visible on CT, whereas on 68Ga-PSMA-11 PET median SUVmax values of 5.0 in osteosclerotic, 29.5 in osteolytic, and 7.5 in lesions not seen on CT were measured. Intensity of tracer accumulation between18F-NaF PET and 68Ga-PSMA-11 PET was significantly higher in osteosclerotic (p < 0.001) and lesions not visible on CT (p = 0.012). CONCLUSION In comparison to 68Ga-PSMA-11 PET/CT, 18F-NaF PET/CT detects a higher number of pathologic bone lesions in advanced stage PC patients scheduled for radionuclide therapy. Our data suggest that 68Ga-PSMA-11 PET should be combined with 18F-NaF PET in PC patients with skeletal metastases for restaging prior to initiation or modification of therapy.
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Affiliation(s)
- Christian Uprimny
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria.
| | - Anna Svirydenka
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Josef Fritz
- Department of Medical Statistics, Informatics and Health Economics, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Alexander Stephan Kroiss
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Bernhard Nilica
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Clemens Decristoforo
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Roland Haubner
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Elisabeth von Guggenberg
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Sabine Buxbaum
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Wolfgang Horninger
- Department of Urology, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Irene Johanna Virgolini
- Department of Nuclear Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
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