1
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Sadaghiani MS, Baskaran S, Gorin MA, Rowe SP, Provost JC, Teslenko I, Bilyk R, An H, Sheikhbahaei S. Utility of PSMA PET/CT in Staging and Restaging of Renal Cell Carcinoma: A Systematic Review and Metaanalysis. J Nucl Med 2024:jnumed.124.267417. [PMID: 38782453 DOI: 10.2967/jnumed.124.267417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/29/2024] [Indexed: 05/25/2024] Open
Abstract
Prostate-specific membrane antigen (PSMA) is expressed in the neovasculature of multiple solid tumors, including renal cell carcinoma (RCC). Studies have demonstrated promising results on the utility of PSMA-targeted PET/CT imaging in RCC. This report aims to provide a systematic review and metaanalysis on the utility and detection rate of PSMA PET/CT imaging in staging or evaluation of primary RCC and restaging of metastatic or recurrent RCC. Methods: Searches were performed in PubMed, Embase, and abstract proceedings (last updated, August 2023). Studies that provided a lesion-level detection rate of PSMA radiotracers in staging or restaging of RCC were included in the metaanalysis. The overall pooled detection rate with a 95% CI was estimated, and subgroup analysis was performed when feasible. Results: Nine studies comprising 152 patients (133 clear cell RCC [ccRCC], 19 other RCC subtypes) were included in the metaanalysis. The pooled detection rate of PSMA PET/CT in evaluation of primary or metastatic RCC was estimated to be 0.83 (95% CI, 0.67-0.92). Subgroup analysis showed a pooled PSMA detection rate of 0.74 (95% CI, 0.57-0.86) in staging or evaluation of primary RCC lesions and 0.87 (95% CI, 0.73-0.95) in restaging of metastatic or recurrent RCC. Analysis based on the type of radiotracer showed a pooled detection rate of 0.85 (95% CI, 0.62-0.95) for 68Ga-based PSMA tracers and 0.92 (95% CI, 0.76-0.97) for 18F-DCFPyL PET/CT. Furthermore, in metastatic ccRCC, the available data support a significantly higher detection rate for 18F-DCFPyL PET/CT than for conventional imaging modalities (2 studies). Conclusion: Our preliminary results show that PSMA PET/CT could be a promising alternative imaging modality for evaluating RCC, particularly metastatic ccRCC. Large prospective studies are warranted to confirm clinical utility in the staging and restaging of RCC.
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Affiliation(s)
- Moe S Sadaghiani
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | | | - Michael A Gorin
- Milton and Carroll Petrie Department of Urology, Icahn School of Medicine at Mount Sinai, New York, New York; and
| | - Steven P Rowe
- Department of Radiology, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | | | | | | | - Hong An
- Lantheus, Bedford, Massachusetts
| | - Sara Sheikhbahaei
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland;
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2
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Bellin MF, Valente C, Bekdache O, Maxwell F, Balasa C, Savignac A, Meyrignac O. Update on Renal Cell Carcinoma Diagnosis with Novel Imaging Approaches. Cancers (Basel) 2024; 16:1926. [PMID: 38792005 PMCID: PMC11120239 DOI: 10.3390/cancers16101926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/06/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
This review highlights recent advances in renal cell carcinoma (RCC) imaging. It begins with dual-energy computed tomography (DECT), which has demonstrated a high diagnostic accuracy in the evaluation of renal masses. Several studies have suggested the potential benefits of iodine quantification, particularly for distinguishing low-attenuation, true enhancing solid masses from hyperdense cysts. By determining whether or not a renal mass is present, DECT could avoid the need for additional imaging studies, thereby reducing healthcare costs. DECT can also provide virtual unenhanced images, helping to reduce radiation exposure. The review then provides an update focusing on the advantages of multiparametric magnetic resonance (MR) imaging performance in the histological subtyping of RCC and in the differentiation of benign from malignant renal masses. A proposed standardized stepwise reading of images helps to identify clear cell RCC and papillary RCC with a high accuracy. Contrast-enhanced ultrasound may represent a promising diagnostic tool for the characterization of solid and cystic renal masses. Several combined pharmaceutical imaging strategies using both sestamibi and PSMA offer new opportunities in the diagnosis and staging of RCC, but their role in risk stratification needs to be evaluated. Although radiomics and tumor texture analysis are hampered by poor reproducibility and need standardization, they show promise in identifying new biomarkers for predicting tumor histology, clinical outcomes, overall survival, and the response to therapy. They have a wide range of potential applications but are still in the research phase. Artificial intelligence (AI) has shown encouraging results in tumor classification, grade, and prognosis. It is expected to play an important role in assessing the treatment response and advancing personalized medicine. The review then focuses on recently updated algorithms and guidelines. The Bosniak classification version 2019 incorporates MRI, precisely defines previously vague imaging terms, and allows a greater proportion of masses to be placed in lower-risk classes. Recent studies have reported an improved specificity of the higher-risk categories and better inter-reader agreement. The clear cell likelihood score, which adds standardization to the characterization of solid renal masses on MRI, has been validated in recent studies with high interobserver agreement. Finally, the review discusses the key imaging implications of the 2017 AUA guidelines for renal masses and localized renal cancer.
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Affiliation(s)
- Marie-France Bellin
- Service de Radiologie Diagnostique et Interventionnelle, Hôpital de Bicêtre AP-HP, 78 Rue du Général Leclerc, 94275 Le Kremlin-Bicêtre, France; (C.V.); (O.B.); (F.M.); (A.S.); (O.M.)
- Faculté de Médecine, University of Paris-Saclay, 63 Rue Gabriel Péri, 94276 Le Kremlin-Bicêtre, France
- BioMaps, UMR1281 INSERM, CEA, CNRS, University of Paris-Saclay, 94805 Villejuif, France
| | - Catarina Valente
- Service de Radiologie Diagnostique et Interventionnelle, Hôpital de Bicêtre AP-HP, 78 Rue du Général Leclerc, 94275 Le Kremlin-Bicêtre, France; (C.V.); (O.B.); (F.M.); (A.S.); (O.M.)
| | - Omar Bekdache
- Service de Radiologie Diagnostique et Interventionnelle, Hôpital de Bicêtre AP-HP, 78 Rue du Général Leclerc, 94275 Le Kremlin-Bicêtre, France; (C.V.); (O.B.); (F.M.); (A.S.); (O.M.)
| | - Florian Maxwell
- Service de Radiologie Diagnostique et Interventionnelle, Hôpital de Bicêtre AP-HP, 78 Rue du Général Leclerc, 94275 Le Kremlin-Bicêtre, France; (C.V.); (O.B.); (F.M.); (A.S.); (O.M.)
| | - Cristina Balasa
- Service de Radiologie Diagnostique et Interventionnelle, Hôpital de Bicêtre AP-HP, 78 Rue du Général Leclerc, 94275 Le Kremlin-Bicêtre, France; (C.V.); (O.B.); (F.M.); (A.S.); (O.M.)
| | - Alexia Savignac
- Service de Radiologie Diagnostique et Interventionnelle, Hôpital de Bicêtre AP-HP, 78 Rue du Général Leclerc, 94275 Le Kremlin-Bicêtre, France; (C.V.); (O.B.); (F.M.); (A.S.); (O.M.)
| | - Olivier Meyrignac
- Service de Radiologie Diagnostique et Interventionnelle, Hôpital de Bicêtre AP-HP, 78 Rue du Général Leclerc, 94275 Le Kremlin-Bicêtre, France; (C.V.); (O.B.); (F.M.); (A.S.); (O.M.)
- Faculté de Médecine, University of Paris-Saclay, 63 Rue Gabriel Péri, 94276 Le Kremlin-Bicêtre, France
- BioMaps, UMR1281 INSERM, CEA, CNRS, University of Paris-Saclay, 94805 Villejuif, France
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3
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Ovruchesky E, Pan E, Guer M, Elliott A, Siva S, Ravi P, McGregor B, Bagrodia A, Derweesh I, Barata P, Heath EI, Antonarakis ES, Darabi S, Hoon DSB, Mortazavi A, Choueiri TK, Nabhan C, Wei S, McKay RR. Characterization of FOLH1 Expression in Renal Cell Carcinoma. Cancers (Basel) 2024; 16:1855. [PMID: 38791934 PMCID: PMC11119455 DOI: 10.3390/cancers16101855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 04/26/2024] [Accepted: 05/11/2024] [Indexed: 05/26/2024] Open
Abstract
PURPOSE Given the emergence of PSMA-targeted diagnostic agents and therapeutics, we sought to investigate patterns of FOLH1 expression in RCC and their impacts on RCC outcomes. METHODS We conducted a pooled multi-institutional analysis of patients with RCC having undergone DNA and RNA next-generation sequencing. FOLH1-high/low expression was defined as the ≥75th/<25th percentile of RNA transcripts per million (TPM). Angiogenic, T-effector, and myeloid expression signatures were calculated using previously defined gene sets. Kaplan-Meier estimates were calculated from the time of tissue collection or therapy start. RESULTS We included 1,724 patients in the analysis. FOLH1 expression was significantly higher in clear cell (71%) compared to non-clear cell RCC tumors (19.0 versus 3.3 TPM, p < 0.001) and varied by specimen site (45% primary kidney/55% metastasis, 13.6 versus 9.9 TPM, p < 0.001). FOLH1 expression was correlated with angiogenic gene expression (Spearman = 0.76, p < 0.001) and endothelial cell abundance (Spearman = 0.76, p < 0.001). While OS was similar in patients with FOLH1-high versus -low ccRCC, patients with FOLH1-high clear cell tumors experienced a longer time on cabozantinib treatment (9.7 versus 4.6 months, respectively, HR 0.57, 95% CI 0.35-0.93, p < 0.05). CONCLUSIONS We observed differential patterns of FOLH1 expression based on histology and tumor site in RCC. FOLH1 was correlated with angiogenic gene expression, increased OS, and a longer duration of cabozantinib treatment.
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Affiliation(s)
- Eric Ovruchesky
- Division of Urologic Oncology, Department of Oncology, Moores Cancer Center, University of California San Diego, San Diego, CA 92037, USA
| | - Elizabeth Pan
- Division of Urologic Oncology, Department of Oncology, Moores Cancer Center, University of California San Diego, San Diego, CA 92037, USA
| | - Melis Guer
- Division of Urologic Oncology, Department of Oncology, Moores Cancer Center, University of California San Diego, San Diego, CA 92037, USA
| | - Andrew Elliott
- Department of Clinical and Translational Research, Caris Life Sciences, Inc., Phoenix, AZ 85040, USA
| | - Shankar Siva
- Division of Radiation Oncology and Cancer Imaging, Department of Oncology, Peter MacCallum Cancer Centre, the University of Melbourne, Melbourne, VIC 3052, Australia
| | - Praful Ravi
- The Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Bradley McGregor
- The Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Aditya Bagrodia
- Division of Urologic Oncology, Department of Oncology, Moores Cancer Center, University of California San Diego, San Diego, CA 92037, USA
| | - Ithaar Derweesh
- Division of Urologic Oncology, Department of Oncology, Moores Cancer Center, University of California San Diego, San Diego, CA 92037, USA
| | - Pedro Barata
- Department of Hematology and Oncology, University Hospitals Seidman Cancer Center, Cleveland, OH 44106, USA
| | - Elisabeth I. Heath
- Department of Oncology, Wayne State University, Karmanos Cancer Institute, Detroit, MI 48201, USA
| | - Emmanuel S. Antonarakis
- Department of Hematology and Oncology, University of Minnesota, Masonic Cancer Center, Minneapolis, MN 55455, USA
| | - Sourat Darabi
- Clinical Genomics, Hoag Family Cancer Institute, Newport Beach, CA 92663, USA
| | - Dave S. B. Hoon
- Department of Translational Molecular Medicine, Saint John’s Cancer Institute, Providence Health Systems, Santa Monica, CA 90404, USA
| | - Amir Mortazavi
- Division of Medical Oncology, Department of Internal Medicine, College of Medicine, The Ohio State University, The Comprehensive Cancer Center, Columbus, OH 43210, USA
| | - Toni K. Choueiri
- The Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Chadi Nabhan
- Department of Clinical and Translational Research, Caris Life Sciences, Inc., Phoenix, AZ 85040, USA
| | - Shuanzeng Wei
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
| | - Rana R. McKay
- Division of Urologic Oncology, Department of Oncology, Moores Cancer Center, University of California San Diego, San Diego, CA 92037, USA
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4
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Miceli A, Liberini V, Pepe G, Dondi F, Vento A, Jonghi Lavarini L, Celesti G, Gazzilli M, Serani F, Guglielmo P, Buschiazzo A, Filice R, Alongi P, Laudicella R, Santo G. Prostate-Specific Membrane Antigen Positron Emission Tomography Oncological Applications beyond Prostate Cancer in Comparison to Other Radiopharmaceuticals. Diagnostics (Basel) 2024; 14:1002. [PMID: 38786300 PMCID: PMC11119694 DOI: 10.3390/diagnostics14101002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 04/29/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND Prostate-specific membrane antigen (PSMA) is a type II transmembrane glycoprotein overexpressed on the surface of tumor cells in most of the patients affected by prostate adenocarcinoma (PCa). However, PSMA expression has also been demonstrated in the endothelial cells of newly formed vessels of various solid tumors, suggesting a role for PSMA in neoangiogenesis. In this scenario, gallium-68 (68Ga) or fluoro-18 (18F)-labeled PSMA positron emission tomography (PET) may play a role in tumors other than PCa, generally evaluated employing other radiopharmaceuticals targeting different pathways. This review aims to investigate the detection rate of PSMA-PET compared to other radiopharmaceuticals (especially [18F]FDG) in non-prostate tumors to identify patients who may benefit from the use of such a theragnostic agent. METHODS We performed a bibliographic search on three different databases until February 2024 using the following terms: "positron emission tomography", "PET", "PET/CT", "Prostate-specific membrane antigen", "PSMA", "non-prostate", "not prostate cancer", "solid tumor", "FDG", "Fluorodeoxyglucose", "FAPi", "FET", "MET", "DOPA", "choline", "FCH", "FES", "DOTATOC", "DOTANOC", and "DOTATATE". Only original articles edited in English with at least 10 patients were included. RESULTS Out of a total of 120 articles, only 25 original articles comparing PSMA with other radiotracers were included in this study. The main evidence was demonstrated in renal cell carcinoma, where PSMA showed a higher detection rate compared to [18F]FDG PET/CT, with implications for patient management. PSMA PET may also improve the assessment of other entities, such as gliomas, in defining regions of early neoangiogenesis. Further data are needed to evaluate the potential role of PSMA-PET in triple-negative breast cancer as a novel therapeutic vascular target. Finally, unclear applications of PSMA-PET include thyroid and gastrointestinal tumors. CONCLUSIONS The present review shows the potential use of PSMA-labeled PET/CT in solid tumors beyond PCa, underlining its value over other radiopharmaceuticals (mainly [18F]FDG). Prospective clinical trials with larger sample sizes are crucial to further investigate these possible clinical applications.
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Affiliation(s)
- Alberto Miceli
- Nuclear Medicine Unit, Azienda Ospedaliero-Universitaria SS. Antonio e Biagio e Cesare Arrigo, 15121 Alessandria, Italy;
| | - Virginia Liberini
- Nuclear Medicine Unit, ASO S.Croce e Carle Cuneo, 12100 Cuneo, Italy; (V.L.); (A.B.)
| | - Giovanna Pepe
- Nuclear Medicine Unit, Fondazione IRCCS Policlinico San Matteo—Pavia V.le Camillo Golgi, 27100 Pavia, Italy;
| | - Francesco Dondi
- Nuclear Medicine Unit, ASST Spedali Civili di Brescia, 25123 Brescia, Italy;
| | - Antonio Vento
- Nuclear Medicine Unit, ASP 1—P.O. San Giovanni di Dio, 92100 Agrigento, Italy;
| | | | - Greta Celesti
- Nuclear Medicine Unit, Department of Biomedical and Dental Sciences and of Morpho-Functional Imaging, University of Messina, 98122 Messina, Italy; (G.C.); (R.L.)
| | - Maria Gazzilli
- Nuclear Medicine Unit, ASL Bari—Di Venere Bari, 70131 Bari, Italy;
| | - Francesca Serani
- Nuclear Medicine Unit, Presidio Ospedaliero Santo Spirito, 65124 Pescara, Italy;
| | - Priscilla Guglielmo
- Nuclear Medicine Unit, Veneto Institute of Oncology IOV-IRCCS, 35128 Padua, Italy;
| | - Ambra Buschiazzo
- Nuclear Medicine Unit, ASO S.Croce e Carle Cuneo, 12100 Cuneo, Italy; (V.L.); (A.B.)
| | - Rossella Filice
- Nuclear Medicine Unit, University Hospital “Paolo Giaccone”, Via del Vespro 129, 90127 Palermo, Italy;
| | - Pierpaolo Alongi
- Nuclear Medicine Unit, A.R.N.A.S. Ospedali Civico, Di Cristina e Benfratelli, 90127 Palermo, Italy;
| | - Riccardo Laudicella
- Nuclear Medicine Unit, Department of Biomedical and Dental Sciences and of Morpho-Functional Imaging, University of Messina, 98122 Messina, Italy; (G.C.); (R.L.)
| | - Giulia Santo
- Nuclear Medicine Unit, Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy
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5
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Thomson A, Castillo C, Graefen H, Perera S, Lawrentschuk N, Perera M, Eapen R, Murphy DG. Re: First-in-Human Safety, Imaging, and Dosimetry of a Carbonic Anhydrase IX-Targeting Peptide, [ 68Ga]Ga-DPI-4452, in Patients with Clear Cell Renal Cell Carcinoma. Eur Urol 2024:S0302-2838(24)02256-5. [PMID: 38631995 DOI: 10.1016/j.eururo.2024.03.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 03/28/2024] [Indexed: 04/19/2024]
Affiliation(s)
- Alice Thomson
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Carlotta Castillo
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Australia; Department of Urology, Santiago Clinic Hospital, Santiago de Compostela, Spain
| | - Henrike Graefen
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Australia; Medical School Hamburg, Hamburg, Germany
| | - Sachin Perera
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Nathan Lawrentschuk
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Australia; Department of Urology, Royal Melbourne Hospital, Melbourne, Australia
| | - Marlon Perera
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Renu Eapen
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Declan G Murphy
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Australia.
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6
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Moran S, Cheng HH, Weg E, Kim EH, Chen DL, Iravani A, Ippolito JE. Prostate-specific membrane antigen-positron emission tomography (PSMA-PET) of prostate cancer: current and emerging applications. Abdom Radiol (NY) 2024; 49:1288-1305. [PMID: 38386156 DOI: 10.1007/s00261-024-04188-w] [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: 02/11/2023] [Revised: 01/03/2024] [Accepted: 01/07/2024] [Indexed: 02/23/2024]
Abstract
Prostate-specific membrane antigen-positron emission tomography (PSMA-PET) is transforming the management of patients with prostate cancer. In appropriately selected patients, PSMA-PET offers superior sensitivity and specificity compared to conventional imaging (e.g., computed tomography and bone scintigraphy) as well as choline and fluciclovine PET, with the added benefit of consolidating bone and soft tissue evaluation into a single study. Despite being a newly available imaging tool, PSMA-PET has established indications, interpretation guidelines, and reporting criteria, which will be reviewed. The prostate cancer care team, from imaging specialists to those delivering treatment, should have knowledge of physiologic PSMA radiotracer uptake, patterns of disease spread, and the strengths and limitations of PSMA-PET. In this review, current and emerging applications of PSMA-PET, including appropriateness use criteria as well as image interpretation and pitfalls, will be provided with an emphasis on clinical implications.
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Affiliation(s)
- Shamus Moran
- Department of Radiology, University of Washington School of Medicine, Seattle, WA, USA
| | - Heather H Cheng
- Division of Oncology, Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Emily Weg
- Department of Radiation Oncology, University of Washington School of Medicine, Seattle, WA, USA
| | - Eric H Kim
- Division of Urologic Surgery, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
| | - Delphine L Chen
- Division of Nuclear Medicine, Department of Radiology, University of Washington School of Medicine, Seattle, WA, USA
- Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Amir Iravani
- Division of Nuclear Medicine, Department of Radiology, University of Washington School of Medicine, Seattle, WA, USA
- Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Joseph E Ippolito
- Mallinckrodt Institute of Radiology, Washington University School of Medicine in St. Louis, 4559 Scott Ave., Mail Stop Code: 8131, St. Louis, MO, 63110, USA.
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine in St. Louis, St. Louis, MO, USA.
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7
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Olmstead T, Emmerling M, Bantumilli S, Raynor M, Nielsen ME, Bjurlin MA, Rose TL. Detection of Testicular Metastasis from Renal Cell Carcinoma on PSMA-PET Scan. J Kidney Cancer VHL 2024; 11:49-53. [PMID: 38464887 PMCID: PMC10923653 DOI: 10.15586/jkcvhl.v11i1.268] [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: 01/04/2024] [Accepted: 01/15/2024] [Indexed: 03/12/2024] Open
Abstract
The use of prostate-specific membrane antigen-positron emission tomography (PSMA-PET) is becoming more widespread for the diagnosis and management of prostate cancer. Here we report a case of oligometastatic renal cell carcinoma (RCC) to the testes diagnosed incidentally on PSMA-PET imaging. This case demonstrates the potential for diagnosis of nonprostate disease with PSMA-PET imaging, as well as the promising nature of PSMA-PET for the diagnosis and surveillance of RCC. In addition, this case report discusses the rare occurrence of oligometastatic RCC to the testis.
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Affiliation(s)
| | - Michael Emmerling
- Department of Urology, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Surekha Bantumilli
- Department of Pathology, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Mathew Raynor
- Department of Urology, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Matthew E. Nielsen
- Department of Urology, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Marc A. Bjurlin
- Department of Urology, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Tracy L. Rose
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Division of Oncology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
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8
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David C, Muhammad A, Cristian U, Ben T, Arun A, Lewis A, Lavinia S, Marlon P, Shankar S. SABR for oligometastatic renal cell carcinoma. Clin Transl Radiat Oncol 2024; 45:100739. [PMID: 38380117 PMCID: PMC10877104 DOI: 10.1016/j.ctro.2024.100739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/25/2024] [Accepted: 01/27/2024] [Indexed: 02/22/2024] Open
Abstract
Stereotactic ablative body radiotherapy (SABR) aims to accurately deliver a higher than conventional dose of radiotherapy to a well-defined target tumour incorporating advanced immobilisation and imaging techniques. SABR is an emerging treatment option for primary kidney cancer especially when surgery is contraindicated. Increasingly, SABR is being incorporated into the management of low-volume stage IV kidney cancers to delay the need for systemic therapy or to prolong the duration of ongoing systemic treatment. This review will evaluate the evidence and limitations of SABR for oligometastatic renal cell carcinoma.
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Affiliation(s)
- Chang David
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Ali Muhammad
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Udovicich Cristian
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Tran Ben
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Azad Arun
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Au Lewis
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Spain Lavinia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Perera Marlon
- Division of Surgical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Siva Shankar
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
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9
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Singhal T, Singh P, Parida GK, Agrawal K. Role of PSMA-targeted PET-CT in renal cell carcinoma: a systematic review and meta-analysis. Ann Nucl Med 2024; 38:176-187. [PMID: 38340144 DOI: 10.1007/s12149-024-01904-w] [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: 11/27/2023] [Accepted: 01/08/2024] [Indexed: 02/12/2024]
Abstract
Fluoro-deoxy glucose positron emission tomography/computed tomography (PET/CT), the workhorse of nuclear medicine, has limited utility for renal cell carcinoma (RCC), particularly clear cell variant. Thus, various other tracers have been tried for evaluation of RCC. One of the most promising targets for radiotracers is prostate-specific membrane antigen (PSMA) expressed in abundance in carcinoma-associated neo-vasculature. Thus, we tried to review and analyse the role of PSMA-targeted PET/CT in evaluation of RCC. Databases like PubMed, EMBASE and SCOPUS were searched for original studies published on PSMA-targeted PET/CT in RCC till 30 September 2023. Revised Tool for the Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) checklist was used to assess the included studies. Pooled sensitivity and specificity were calculated and represented with 95% confidence intervals (95%CI). Heterogeneity in the studies was assessed by I-square index. Pooled sensitivity and specificity of PSMA-targeted PET/CT for detection of local disease estimates were 87.2% (95%CI: 77-94%) and 100% (95%CI: 92.9-100%), respectively. Pooled sensitivity and specificity for detection of local recurrent disease are 100% (95%CI: 71.5-100%) and 100% (95%CI: 89.4-100%), respectively. Pooled sensitivity and specificity for detection of metastatic disease are 92% (95%CI: 86.2-96%) and 96.9% (95%CI: 83.8-99.9%), respectively. Pooled sensitivity of PSMA-targeted PET/CT for detection of clear cell renal cell carcinoma (ccRCC) and non-ccRCC are 94.7% (95%CI: 88-98.3%) and 75% (95%CI: 35-96.8%), respectively. PSMA-targeted PET-CT demonstrated better diagnostic efficacy for the detection of recurrent RCC. Whilst for staging RCC, it had higher specificity but lower sensitivity. Thus, it can serve as a non-invasive adjuvant tool to conventional imaging in the evaluation of staging of RCC, particularly clear cell variant.
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Affiliation(s)
- Tejasvini Singhal
- Department of Nuclear Medicine, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Parneet Singh
- Department of Nuclear Medicine, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Girish Kumar Parida
- Department of Nuclear Medicine, All India Institute of Medical Sciences, Bhubaneswar, India.
| | - Kanhaiyalal Agrawal
- Department of Nuclear Medicine, All India Institute of Medical Sciences, Bhubaneswar, India
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10
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Civan C, Kuyumcu S, Has Simsek D, Sanli O, Isik EG, Ozkan ZG, Hurdogan O, Sanli Y. The role of [ 68 Ga]Ga-FAPI-04 PET/CT in renal cell carcinoma: a preliminary study. Eur J Nucl Med Mol Imaging 2024; 51:852-861. [PMID: 37803246 DOI: 10.1007/s00259-023-06461-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 09/27/2023] [Indexed: 10/08/2023]
Abstract
PURPOSE We aimed to investigate the role of [68 Ga]Ga-FAPI-04 PET/CT and uptake patterns of primary and metastatic lesions in patients with renal cell carcinoma (RCC). METHODS Twenty patients with a suspicious lesion considered primary renal malignancy or a history of RCC were included in our study. Two patients were excluded from further analyses due to other confirmed malignancies. Six patients were newly diagnosed, while the indication of 12 patients was restaging. All patients underwent [68 Ga]Ga-FAPI-04 and [18F]F-FDG PET/CT. SUVmax and tumor-to-background ratio (TBR) of primary (n = 7) and local recurrent lesions (n = 6) and lymph node (n = 26), lung (n = 32), bone (n = 5), and other metastases (n = 14) were compared between the two tracers. RESULTS We detected 90 lesions in 18 patients with varying FAPI and FDG uptake values on both PET/CT. The median TBR of FAPI-PET/CT of all lesions was higher than TBR of FDG-PET/CT with statistically significance (5.6 vs. 2.1, p < 0.001). In primary and recurrent lesions, the median SUVmax, TBR, and tumor volume on FAPI-PET/CT were higher than FDG-PET/CT. The median SUVmax of lung lesions on FAPI-PET/CT was statistical significantly higher than FDG-SUVmax (3.8 vs. 1.8, p = 0.02). The median of FAPI-SUVmax on primary lesions was lower in the early stage based on TNM compared to the advanced stage. FAPI-SUVmax in 49% of all lesions were SUVmax ≥ 6, and 13% were SUVmax ≥ 10. In patient-based analyses, seven patients (39%) had at least one lesion with FAPI-SUVmax ≥ 10; 12 patients (67%) had at least one lesion with FAPI-SUVmax ≥ 6. CONCLUSION This study showed the potential utility of [68 Ga]Ga-FAPI-04 PET/CT showing promising results in RCC. We have presumed that FAPI-PET/CT may be performed for complementary imaging modality providing prognosis and possibility of theranostic application in selected patients.
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Affiliation(s)
- Caner Civan
- Department of Nuclear Medicine, Istanbul Faculty of Medicine, Istanbul University, 34093, Fatih, Istanbul, Turkey.
| | - Serkan Kuyumcu
- Department of Nuclear Medicine, Istanbul Faculty of Medicine, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Duygu Has Simsek
- Department of Nuclear Medicine, Istanbul Faculty of Medicine, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Oner Sanli
- Department of Urology, Istanbul Faculty of Medicine, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Emine Goknur Isik
- Department of Nuclear Medicine, Istanbul Faculty of Medicine, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Zeynep Gozde Ozkan
- Department of Nuclear Medicine, Istanbul Faculty of Medicine, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Ozge Hurdogan
- Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Yasemin Sanli
- Department of Nuclear Medicine, Istanbul Faculty of Medicine, Istanbul University, 34093, Fatih, Istanbul, Turkey
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11
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Udovicich C, Perera M, Hofman MS, Siva S. FAPI PET/CT: a new kid on the block for RCC. Eur J Nucl Med Mol Imaging 2024; 51:862-863. [PMID: 38133689 DOI: 10.1007/s00259-023-06569-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Affiliation(s)
- Cristian Udovicich
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Australia.
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Australia.
| | - Marlon Perera
- Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
- Department of Surgery, Austin Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Michael S Hofman
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Australia
- Prostate Cancer Theranostics and Imaging Centre of Excellence, Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
| | - Shankar Siva
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Australia
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12
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Tariq A, Pearce A, Rhee H, Kyle S, Raveenthiran S, Pelecanos A, Gan CL, Goh JC, Wong D, McBean R, Marsh P, Goodman S, Dunglison N, Esler R, Navaratnam A, Yaxley JW, Thomas P, Pattison DA, Roberts MJ. The Role of Prostate-specific Membrane Antigen Positron Emission Tomography/Computed Tomography in Primary Staging of Selected Renal Tumours: Initial Experience in a Multicentre Cohort. Eur Urol Focus 2024:S2405-4569(23)00296-1. [PMID: 38195354 DOI: 10.1016/j.euf.2023.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 12/02/2023] [Accepted: 12/18/2023] [Indexed: 01/11/2024]
Abstract
BACKGROUND Accurate primary staging of renal cancer with conventional imaging is challenging. Prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) may serve to improve the accuracy of renal cancer staging. OBJECTIVE To determine clinicopathological and management differences for primary renal cancer staged with PSMA PET/CT in comparison to conventional imaging. DESIGN, SETTING, AND PARTICIPANTS We conducted a retrospective cohort study of PSMA PET/CT scans performed for primary staging of renal cancer and incidental renal lesions at three sites in Brisbane, Australia between June 2015 and June 2020. Clinical characteristics, imaging, and histopathology were reviewed. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS Clinicopathological and management differences according to staging modality (PSMA PET/CT, conventional imaging) were assessed. Descriptive statistics were used to report demographics and clinical parameters. Nonparametric methods were used for statistical analysis. Fisher's exact test was used for comparison of small-cell size categorical variables. RESULTS AND LIMITATIONS From a total of 120 PSMA PET/CT scans, 61 were included (52 staging, 9 incidental) for predominantly males (74%) with a mean age of 65.1 yr (standard deviation 12.0). Most primary lesions (40/51) were clear-cell renal cell carcinoma (ccRCC; 98% PSMA-avid), eight were non-ccRCC (75% PSMA-avid), and three were non-RCC (oncocytoma; 67% PSMA-avid). PSMA PET identified a greater number of presumed metastatic lesions than conventional imaging (195 vs 160). A management change was observed for 32% of patients (20% major, 12% minor). Limitations include the retrospective design and selection bias, lack of blinding to PSMA reporting, and the use of different PSMA radiotracers. CONCLUSIONS PSMA PET/CT detected more metastases than conventional imaging and most renal cancers were PSMA-avid, resulting in a management change for one-third of the patients. PATIENT SUMMARY We looked at a newer type of scan called PSMA PET/CT for first staging of kidney cancer. We found that this detects more metastasis and helps in decisions on changes in treatment for some patients. This type of imaging is a useful addition to conventional scans in tricky cases and may help in better selection of suitable treatments, but more studies are required.
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Affiliation(s)
- Arsalan Tariq
- Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia; Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Adam Pearce
- Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia; Faculty of Medicine, The University of Queensland, Brisbane, Australia; Wesley Urology Clinic, The Wesley Hospital, Brisbane, Australia
| | - Handoo Rhee
- Faculty of Medicine, The University of Queensland, Brisbane, Australia; Department of Urology, Princess Alexandra Hospital, Brisbane, Australia
| | - Samuel Kyle
- Department of Medical Imaging, Royal Brisbane and Women's Hospital, Brisbane, Australia; Department of Nuclear Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Sheliyan Raveenthiran
- Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia; Department of Urology, Redcliffe Hospital, Redcliffe, Australia
| | - Anita Pelecanos
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Chun Loo Gan
- Faculty of Medicine, The University of Queensland, Brisbane, Australia; Department of Medical Oncology, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Jeffrey C Goh
- Faculty of Medicine, The University of Queensland, Brisbane, Australia; Department of Medical Oncology, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - David Wong
- Department of Radiology & Nuclear Medicine, The Wesley Hospital, Brisbane, Australia
| | - Rhiannon McBean
- Department of Radiology & Nuclear Medicine, The Wesley Hospital, Brisbane, Australia
| | - Phillip Marsh
- Department of Medical Imaging, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Steven Goodman
- Department of Nuclear Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Nigel Dunglison
- Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia; Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Rachel Esler
- Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia; Wesley Urology Clinic, The Wesley Hospital, Brisbane, Australia
| | - Anojan Navaratnam
- Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia; Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - John W Yaxley
- Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia; Faculty of Medicine, The University of Queensland, Brisbane, Australia; Wesley Urology Clinic, The Wesley Hospital, Brisbane, Australia
| | - Paul Thomas
- Faculty of Medicine, The University of Queensland, Brisbane, Australia; Department of Nuclear Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - David A Pattison
- Faculty of Medicine, The University of Queensland, Brisbane, Australia; Department of Nuclear Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Matthew J Roberts
- Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, Australia; Faculty of Medicine, The University of Queensland, Brisbane, Australia; Department of Urology, Redcliffe Hospital, Redcliffe, Australia; UQ Centre for Clinical Research, Faculty of Medicine, University of Queensland, Brisbane, Australia.
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13
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Aggarwal P, Singh H, Das CK, Mavuduru RS, Kakkar N, Lal A, Gorsi U, Kumar R, Mittal BR. Potential role of 68Ga-PSMA PET/CT in metastatic renal cell cancer: A prospective study. Eur J Radiol 2024; 170:111218. [PMID: 38007857 DOI: 10.1016/j.ejrad.2023.111218] [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: 05/21/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 11/28/2023]
Abstract
PURPOSE Prostate-specific membrane antigen (PSMA), in addition to its utility in prostate cancer, is also an angiogenic imaging marker for hypervascular tumors like renal cell carcinoma (RCC). Our study aims to assess the potential role of 68Ga-PSMA-11 positron emission tomography (PET)/CT in metastatic RCC and compare it with contrast-enhanced computed tomography (CECT). METHODS Biopsy-proven RCC patients with known or suspected distant metastases who underwent 68Ga-PSMA-11 PET/CT for staging/restaging were prospectively recruited. Those patients who had undergone 18F-FDG PET/CT within six weeks of 68Ga-PSMA PET/CT were also included retrospectively for comparative analysis. A patient-based and lesion-based analysis was done to compare the lesion detection rates of CECT, 68Ga-PSMA-11 PET and 18F-FDG PET. PET-based quantitative parameters were also compared between both the PET modalities. Impact of baseline parameters on survival was assessed using Cox regression analysis. A p-value of < 0.05 was considered significant. RESULTS Thirty-seven patients with median age 60 years ± 13 years (range = 26-76 years) were included in the study. Twenty-seven patients had clear cell (cc) RCC, six had papillary RCC (pRCC), and one each had an eosinophilic variant of ccRCC, collecting duct RCC, translocation RCC and poorly differentiated RCC. 68Ga-PSMA-11 PET performed better in detecting marrow and equivocal bone lesions and worse in detecting liver lesions compared to CECT. 68Ga-PSMA-11 PET-based angiogenic tumor burden estimation using Total Lesion-PSMA (TL-PSMA) and PSMA-Total volume (PSMA-TV) had a prognostic impact on the survival of patients. 68Ga-PSMA-11 PET also detected more lesions and showed significantly higher SUVmax than 18F-FDG PET. CONCLUSION 68Ga-PSMA-11 PET/CT performs better than CECT and 18F-FDG PET/CT in metastatic evaluation and has prognostic value in the management of clear cell RCC.
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Affiliation(s)
- Piyush Aggarwal
- Department of Nuclear Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Harmandeep Singh
- Department of Nuclear Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India.
| | - Chandan Krushna Das
- Department of Clinical Hematology and Medical Oncology, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | | | - Nandita Kakkar
- Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Anupam Lal
- Department of Radiodiagnosis, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Ujjwal Gorsi
- Department of Radiodiagnosis, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Rajender Kumar
- Department of Nuclear Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Bhagwant Rai Mittal
- Department of Nuclear Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
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14
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Urso L, Bauckneht M, Albano D, Chondrogiannis S, Grassetto G, Lanfranchi F, Dondi F, Fornarini G, Lazzeri M, Evangelista L. The evolution of PET imaging in renal, bladder, upper urinary tract urothelial, testicular and penile carcinoma - Today's impact, tomorrow's potential. Expert Rev Med Devices 2024; 21:55-72. [PMID: 38072680 DOI: 10.1080/17434440.2023.2293919] [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: 08/26/2023] [Accepted: 12/07/2023] [Indexed: 02/05/2024]
Abstract
INTRODUCTION The advancement of hybrid PET/CT or PET/MRI imaging for non-prostate genitourinary cancers has not experienced the rapid progress of prostate cancer. Nevertheless, these neoplasms are aggressive and reliable imaging plays a pivotal role in enhancing patients' quality of life and prognosis. AREAS COVERED the main evidence regarding [18F]FDG and non-[18F]FDG PET/CT or PET/MRI in non-prostate uro-oncological malignancies are summarized and discussed. Moreover, potential future directions concerning PET imaging in these neoplasms are debated, with the aim to stimulate future research projects covering these fields. EXPERT OPINION In Renal Cell Carcinoma (RCC), [18F]FDG PET/CT demonstrates varying efficacy in staging, restaging, and prognostic stratification, but PSMA PET/CT is emerging as a potential game-changer, particularly in advanced, high-grade aggressive clear cell RCC. [18F]FDG PET/CT may see an increased use in N and M-staging of bladder cancer, as well as for detecting recurrence and response to neoadjuvant chemotherapy. Preliminary data regarding [68Ga]-FAPI also looks promising in this context. [18F]FDG PET/MRI could be useful for the T-staging of bladder cancer, while upper tract urothelial carcinoma still lacks of molecular imaging literature reports. In testicular and penile cancer [18F]FDG PET/CT has demonstrated its usefulness in several clinical settings, although experiences with non-[18F]FDG radiotracers are lacking.
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Affiliation(s)
- Luca Urso
- Department of Nuclear Medicine - PET/CT Center, S. Maria Della Misericordia Hospital, Rovigo, Italy
| | - Matteo Bauckneht
- Nuclear Medicine Unit, IRCCS Ospedale Policlinico, San Martino, Genova, Italy
- Department of Health Sciences (DISSAL), University of Genoa, Genova, Italy
| | - Domenico Albano
- Nuclear Medicine Department, ASST Spedali Civili of Brescia, University of Brescia, Brescia, Italy
| | - Sotirios Chondrogiannis
- Department of Nuclear Medicine - PET/CT Center, S. Maria Della Misericordia Hospital, Rovigo, Italy
| | - Gaia Grassetto
- Department of Nuclear Medicine - PET/CT Center, S. Maria Della Misericordia Hospital, Rovigo, Italy
| | - Francesco Lanfranchi
- Nuclear Medicine Unit, IRCCS Ospedale Policlinico, San Martino, Genova, Italy
- Department of Health Sciences (DISSAL), University of Genoa, Genova, Italy
| | - Francesco Dondi
- Nuclear Medicine Department, ASST Spedali Civili of Brescia, University of Brescia, Brescia, Italy
| | - Giuseppe Fornarini
- Medical Oncology Unit 1, IRCCS Ospedale Policlinico, San Martino, Genova, Italy
| | - Massimo Lazzeri
- Department of Urology, IRCCS Humanitas Clinical and Research Hospital, Rozzano, Italy
| | - Laura Evangelista
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Nuclear Medicine Unit, IRCCS Humanitas Research Hospital, Rozzano, Italy
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Urso L, Filippi L, Castello A, Marzola MC, Bartolomei M, Cittanti C, Florimonte L, Castellani M, Zucali P, Bruni A, Sabbatini R, Dominici M, Panareo S, Evangelista L. PSMA PET/CT in Castration-Resistant Prostate Cancer: Myth or Reality? J Clin Med 2023; 12:7130. [PMID: 38002742 PMCID: PMC10672135 DOI: 10.3390/jcm12227130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/25/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND prostate-specific membrane antigen (PSMA) ligand PET has been recently incorporated into international guidelines for several different indications in prostate cancer (PCa) patients. However, there are still some open questions regarding the role of PSMA ligand PET in castration-resistant prostate cancer (CRPC). The aim of this work is to assess the clinical value of PSMA ligand PET/CT in patients with CRPC. RESULTS PSMA ligand PET has demonstrated higher detection rates in comparison to conventional imaging and allows for a significant reduction in the number of M0 CRPC patients. However, its real impact on patients' prognosis is still an open question. Moreover, in CRPC patients, PSMA ligand PET presents some sensitivity and specificity limitations. Due to its heterogeneity, CRPC may present a mosaic of neoplastic clones, some of which could be PSMA-/FDG+, or vice versa. Likewise, unspecific bone uptake (UBU) and second primary neoplasms (SNPs) overexpressing PSMA in the neoangiogenic vessels represent potential specificity issues. Integrated multi-tracer imaging (PSMA ligand and [18F]FDG PET) together with a multidisciplinary discussion could allow for reaching the most accurate evaluation of each patient from a precision medicine point of view.
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Affiliation(s)
- Luca Urso
- Department of Nuclear Medicine—PET/CT Center, S. Maria della Misericordia Hospital, 45100 Rovigo, Italy; (L.U.); (M.C.M.)
| | - Luca Filippi
- Nuclear Medicine Unit, Department of Oncohaematology, Fondazione PTV, Policlinico Tor Vergata University Hospital, Viale Oxford 81, 00133 Rome, Italy;
| | - Angelo Castello
- Nuclear Medicine Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (L.F.); (M.C.)
| | - Maria Cristina Marzola
- Department of Nuclear Medicine—PET/CT Center, S. Maria della Misericordia Hospital, 45100 Rovigo, Italy; (L.U.); (M.C.M.)
| | - Mirco Bartolomei
- Nuclear Medicine Unit, Onco-Hematological Department, University Hospital of Ferrara, 44124 Ferrara, Italy; (M.B.); (C.C.)
| | - Corrado Cittanti
- Nuclear Medicine Unit, Onco-Hematological Department, University Hospital of Ferrara, 44124 Ferrara, Italy; (M.B.); (C.C.)
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Luigia Florimonte
- Nuclear Medicine Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (L.F.); (M.C.)
| | - Massimo Castellani
- Nuclear Medicine Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (L.F.); (M.C.)
| | - Paolo Zucali
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Milan, Italy; (P.Z.); (L.E.)
- Department of Oncology, IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Milan, Italy
| | - Alessio Bruni
- Radiotherapy Unit, Department of Oncology and Hematology, University Hospital of Modena, 41124 Modena, Italy;
| | - Roberto Sabbatini
- Oncology Unit, Department of Oncology and Hematology, University Hospital of Modena, Via del Pozzo 71, 41124 Modena, Italy; (R.S.); (M.D.)
| | - Massimo Dominici
- Oncology Unit, Department of Oncology and Hematology, University Hospital of Modena, Via del Pozzo 71, 41124 Modena, Italy; (R.S.); (M.D.)
| | - Stefano Panareo
- Nuclear Medicine Unit, Department of Oncology and Hematology, University Hospital of Modena, Via del Pozzo 71, 41124 Modena, Italy;
| | - Laura Evangelista
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Milan, Italy; (P.Z.); (L.E.)
- Nuclear Medicine Unit, IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Milan, Italy
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Schawkat K, Krajewski KM. Insights into Renal Cell Carcinoma with Novel Imaging Approaches. Hematol Oncol Clin North Am 2023; 37:863-875. [PMID: 37302934 DOI: 10.1016/j.hoc.2023.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
This article presents a comprehensive overview of new imaging approaches and techniques for improving the assessment of renal masses and renal cell carcinoma. The Bosniak classification, version 2019, as well as the clear cell likelihood score, version 2.0, will be discussed as new imaging algorithms using established techniques. Additionally, newer modalities, such as contrast-enhanced ultrasound, dual energy computed tomography, and molecular imaging, will be discussed in conjunction with emerging radiomics and artificial intelligence techniques. Current diagnostic algorithms combined with newer approaches may be an effective way to overcome existing limitations in renal mass and RCC characterization.
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Affiliation(s)
- Khoschy Schawkat
- Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA; Harvard Medical School
| | - Katherine M Krajewski
- Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA; Harvard Medical School; Dana-Farber Cancer Institute, 440 Brookline Avenue, Building MA Floor L1 Room 04AC, Boston, MA 02215, USA.
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17
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Gasparro D, Scarlattei M, Silini EM, Migliari S, Baldari G, Cervati V, Graziani T, Campanini N, Maestroni U, Ruffini L. High Prognostic Value of 68Ga-PSMA PET/CT in Renal Cell Carcinoma and Association with PSMA Expression Assessed by Immunohistochemistry. Diagnostics (Basel) 2023; 13:3082. [PMID: 37835825 PMCID: PMC10572927 DOI: 10.3390/diagnostics13193082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/05/2023] [Accepted: 09/23/2023] [Indexed: 10/15/2023] Open
Abstract
In oligo-metastatic renal cell carcinoma (RCC), neither computed tomography (CT) nor bone scan is sensitive enough to detect small tumor deposits hampering early treatment and potential cure. Prostate-specific membrane antigen (PSMA) is a transmembrane glycoprotein expressed in the neo-vasculature of numerous malignant neoplasms, including RCC, that can be targeted by positron emission tomography (PET) using PSMA-targeting radioligands. Our aim was to investigate whether PSMA-expression patterns of renal cancer in the primary tumor or metastatic lesions on immunohistochemistry (IHC) are associated with PET/CT findings using [68Ga]-PSMA-HBED-CC (PSMA-PET/CT). We then analyzed the predictive and prognostic role of the PSMA-PET/CT signal. In this retrospective single-center study we included patients with renal cancer submitted to PSMA-PET/CT for staging or restaging, with tumor specimens available for PSMA-IHC. Clinical information (age, tumor type, and grade) and IHC results from the primary tumor or metastases were collected. The intensity of PSMA expression at IHC was scored into four categories: 0: none; 1: weak; 2: moderate; 3: strong. PSMA expression was also graded according to the proportion of vessels involved (PSMA%) into four categories: 0: none; 1: 1-25%; 2: 25-50%; 3: >50%. The intensity of PSMA expression and PSMA% were combined in a three-grade score: 0-2 absent or mildly positive, 3-4 moderately positive, and 5-6 strongly positive. PSMA scores were used for correlation with PSMA-PET/CT results. Results: IHC and PET scans were available for the analysis in 26 patients (22 ccRCC, 2 papillary RCC, 1 chromophobe, 1 "not otherwise specified" RCC). PSMA-PET/CT was positive in 17 (65%) and negative in 9 patients (35%). The mean and median SUVmax in the target lesion were 34.1 and 24.9, respectively. Reporter agreement was very high for both distant metastasis location and local recurrence (kappa 1, 100%). PSMA-PET detected more lesions than conventional imaging and revealed unknown metastases in 4 patients. Bone involvement, extension, and lesion number were greater than in the CT scan (median lesion number on PET/CT 3.5). The IHC PSMA score was concordant in primary tumors and metastases. All positive PSMA-PET/CT results (15/22 ccRCC, 1 papillary cancer type II, and 1 chromofobe type) were revealed in tumors with strong or moderate PSMA combined scores (3-4 and 5-6). In ccRCC tissue samples, PSMA expression was strong to moderate in 20/22 cases. The SUVmax values correlated to the intensity of PSMA expression which were assessed using IHC (p = 0.01), especially in the ccRCC subgroup (p = 0.009). Median survival was significantly higher in patients with negative PSMA-PET/CT (48 months) compared to patients with a positive scan (24 months, p= 0.001). SUVmax ≥ 7.4 provides discrimination of patients with a poor prognosis. Results of PSMA-PET/CT changed treatment planning. Conclusions: in renal cancer, positive PSMA-PET/CT is strongly correlated to the intensity of PSMA expression on immunohistochemistry in both ccRCC and chromophobe cancer. PSMA-PET/CT signal predicts a poor prognosis confirming its potential as an aggressiveness biomarker and providing paramount additional information influencing patient management.
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Affiliation(s)
- Donatello Gasparro
- Oncology Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy;
| | - Maura Scarlattei
- Nuclear Medicine Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (M.S.); (G.B.); (V.C.); (T.G.); (L.R.)
| | - Enrico Maria Silini
- Pathology Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (E.M.S.); (N.C.)
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
| | - Silvia Migliari
- Nuclear Medicine Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (M.S.); (G.B.); (V.C.); (T.G.); (L.R.)
| | - Giorgio Baldari
- Nuclear Medicine Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (M.S.); (G.B.); (V.C.); (T.G.); (L.R.)
| | - Veronica Cervati
- Nuclear Medicine Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (M.S.); (G.B.); (V.C.); (T.G.); (L.R.)
| | - Tiziano Graziani
- Nuclear Medicine Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (M.S.); (G.B.); (V.C.); (T.G.); (L.R.)
| | - Nicoletta Campanini
- Pathology Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (E.M.S.); (N.C.)
- Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
| | - Umberto Maestroni
- Urology Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy;
| | - Livia Ruffini
- Nuclear Medicine Division, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (M.S.); (G.B.); (V.C.); (T.G.); (L.R.)
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Rizzo A, Racca M, Dall’Armellina S, Rescigno P, Banna GL, Albano D, Dondi F, Bertagna F, Annunziata S, Treglia G. The Emerging Role of PET/CT with PSMA-Targeting Radiopharmaceuticals in Clear Cell Renal Cancer: An Updated Systematic Review. Cancers (Basel) 2023; 15:355. [PMID: 36672305 PMCID: PMC9857064 DOI: 10.3390/cancers15020355] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Recent articles proposed the employment of positron emission tomography/computed tomography (PET/CT) with prostate-specific membrane antigen (PSMA)-targeting radiopharmaceuticals in clear cell renal cell carcinoma (ccRCC). METHODS The authors performed a comprehensive literature search of studies on the performance of PET/CT with PSMA-targeting radiopharmaceuticals in ccRCC. Original articles concerning this imaging examination were included in newly diagnosed ccRCC patients and ccRCC patients with disease recurrence. RESULTS A total of sixteen papers concerning the diagnostic performance of PSMA-targeted PET/CT in ccRCC (331 patients) were included in this systematic review. The included articles demonstrated an excellent detection rate of PSMA-targeting PET/CT in ccRCC. CONCLUSIONS PSMA-targeted PET/CT seems promising in detecting ccRCC lesions as well as in discriminating the presence of aggressive phenotypes. Prospective multicentric studies are warranted to strengthen the role of PSMA-targeting PET/CT in ccRCC.
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Affiliation(s)
- Alessio Rizzo
- Department of Nuclear Medicine, Candiolo Cancer Institute, FPO–IRCCS, 10060 Turin, Italy
| | - Manuela Racca
- Department of Nuclear Medicine, Candiolo Cancer Institute, FPO–IRCCS, 10060 Turin, Italy
| | - Sara Dall’Armellina
- Nuclear Medicine Unit, Department of Medical Sciences, AOU Città della Salute e della Scienza, University of Turin, 10126 Turin, Italy
| | - Pasquale Rescigno
- Department of Oncology, Candiolo Cancer Institute, FPO-IRCCS, 10060 Turin, Italy
| | | | - Domenico Albano
- Division of Nuclear Medicine, Università degli Studi di Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Francesco Dondi
- Division of Nuclear Medicine, Università degli Studi di Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Francesco Bertagna
- Division of Nuclear Medicine, Università degli Studi di Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Salvatore Annunziata
- Unità di Medicina Nucleare, TracerGLab, Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Giorgio Treglia
- Clinic of Nuclear Medicine, Imaging Institute of Southern Switzerland, Ente Ospedaliero Cantonale, 6501 Bellinzona, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, 1011 Lausanne, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, 6900 Lugano, Switzerland
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