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Vaz SC, Woll JPP, Cardoso F, Groheux D, Cook GJR, Ulaner GA, Jacene H, Rubio IT, Schoones JW, Peeters MJV, Poortmans P, Mann RM, Graff SL, Dibble EH, de Geus-Oei LF. Joint EANM-SNMMI guideline on the role of 2-[ 18F]FDG PET/CT in no special type breast cancer : (endorsed by the ACR, ESSO, ESTRO, EUSOBI/ESR, and EUSOMA). Eur J Nucl Med Mol Imaging 2024:10.1007/s00259-024-06696-9. [PMID: 38740576 DOI: 10.1007/s00259-024-06696-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/20/2024] [Indexed: 05/16/2024]
Abstract
INTRODUCTION There is much literature about the role of 2-[18F]FDG PET/CT in patients with breast cancer (BC). However, there exists no international guideline with involvement of the nuclear medicine societies about this subject. PURPOSE To provide an organized, international, state-of-the-art, and multidisciplinary guideline, led by experts of two nuclear medicine societies (EANM and SNMMI) and representation of important societies in the field of BC (ACR, ESSO, ESTRO, EUSOBI/ESR, and EUSOMA). METHODS Literature review and expert discussion were performed with the aim of collecting updated information regarding the role of 2-[18F]FDG PET/CT in patients with no special type (NST) BC and summarizing its indications according to scientific evidence. Recommendations were scored according to the National Institute for Health and Care Excellence (NICE) criteria. RESULTS Quantitative PET features (SUV, MTV, TLG) are valuable prognostic parameters. In baseline staging, 2-[18F]FDG PET/CT plays a role from stage IIB through stage IV. When assessing response to therapy, 2-[18F]FDG PET/CT should be performed on certified scanners, and reported either according to PERCIST, EORTC PET, or EANM immunotherapy response criteria, as appropriate. 2-[18F]FDG PET/CT may be useful to assess early metabolic response, particularly in non-metastatic triple-negative and HER2+ tumours. 2-[18F]FDG PET/CT is useful to detect the site and extent of recurrence when conventional imaging methods are equivocal and when there is clinical and/or laboratorial suspicion of relapse. Recent developments are promising. CONCLUSION 2-[18F]FDG PET/CT is extremely useful in BC management, as supported by extensive evidence of its utility compared to other imaging modalities in several clinical scenarios.
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Affiliation(s)
- Sofia C Vaz
- Nuclear Medicine-Radiopharmacology, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal.
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands.
| | | | - Fatima Cardoso
- Breast Unit, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal
| | - David Groheux
- Nuclear Medicine Department, Saint-Louis Hospital, Paris, France
- University Paris-Diderot, INSERM U976, Paris, France
- Centre d'Imagerie Radio-Isotopique (CIRI), La Rochelle, France
| | - Gary J R Cook
- Department of Cancer Imaging, King's College London, London, UK
- King's College London and Guy's & St Thomas' PET Centre, London, UK
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Gary A Ulaner
- Molecular Imaging and Therapy, Hoag Family Cancer Institute, Newport Beach, CA, USA
- University of Southern California, Los Angeles, CA, USA
| | - Heather Jacene
- Dana-Farber Cancer Institute/Brigham and Women's Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Isabel T Rubio
- Breast Surgical Oncology, Clinica Universidad de Navarra, Madrid, Cancer Center Clinica Universidad de Navarra, Navarra, Spain
| | - Jan W Schoones
- Directorate of Research Policy, Leiden University Medical Center, Leiden, The Netherlands
| | - Marie-Jeanne Vrancken Peeters
- Department of Surgical Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
- Department of Surgery, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Philip Poortmans
- Department of Radiation Oncology, Iridium Netwerk, Antwerp, Belgium
- University of Antwerp, Wilrijk, Antwerp, Belgium
| | - Ritse M Mann
- Radiology Department, RadboudUMC, Nijmegen, The Netherlands
| | - Stephanie L Graff
- Lifespan Cancer Institute, Providence, Rhode Island, USA
- Legorreta Cancer Center at Brown University, Providence, Rhode Island, USA
| | - Elizabeth H Dibble
- Department of Diagnostic Imaging, The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA.
| | - Lioe-Fee de Geus-Oei
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands.
- Biomedical Photonic Imaging Group, University of Twente, Enschede, The Netherlands.
- Department of Radiation Science & Technology, Technical University of Delft, Delft, The Netherlands.
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2
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Ulaner GA, Vaz SC, Groheux D. Quarter-Century Transformation of Oncology: Positron Emission Tomography for Patients with Breast Cancer. PET Clin 2024; 19:147-162. [PMID: 38177052 DOI: 10.1016/j.cpet.2023.12.002] [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] [Indexed: 01/06/2024]
Abstract
PET radiotracers have become indispensable in the care of patients with breast cancer. 18F-fluorodeoxyglucose has become the preferred method of many oncologists for systemic staging of breast cancer at initial diagnosis, detecting recurrent disease, and for measuring treatment response after therapy. 18F-Sodium Fluoride is valuable for detection of osseous metastases. 18F-fluoroestradiol is now FDA-approved with multiple appropriate clinical uses. There are multiple PET radiotracers in clinical trials, which may add utility of PET imaging for patients with breast cancer in the future. This article will describe the advances during the last quarter century in PET for patients with breast cancer.
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Affiliation(s)
- Gary A Ulaner
- Molecular Imaging and Therapy, Hoag Family Cancer Institute, Irvine, CA, USA; Departments of Radiology and Translational Genomics, University of Southern California, Los Angeles, CA, USA.
| | - Sofia Carrilho Vaz
- Nuclear Medicine-Radiopharmacology, Champalimaud Clinical Center, Champalimaud Foundation, Lisbon, Portugal; Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
| | - David Groheux
- Nuclear Department of Nuclear Medicine, Saint-Louis Hospital, Paris, France; Centre d'Imagerie Radio-Isotopique (CIRI), La Rochelle, France; University Paris-Diderot, INSERM U976, HIPI, Paris, France
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3
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Gram-Nielsen R, Christensen IY, Naghavi-Behzad M, Dahlsgaard-Wallenius SE, Jakobsen NM, Gerke O, Jensen JD, Ewertz M, Hildebrandt MG, Vogsen M. The Pattern of Metastatic Breast Cancer: A Prospective Head-to-Head Comparison of [ 18F]FDG-PET/CT and CE-CT. J Imaging 2023; 9:222. [PMID: 37888329 PMCID: PMC10607582 DOI: 10.3390/jimaging9100222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/28/2023] [Accepted: 10/10/2023] [Indexed: 10/28/2023] Open
Abstract
The study aimed to compare the metastatic pattern of breast cancer and the intermodality proportion of agreement between [18F]FDG-PET/CT and CE-CT. Women with metastatic breast cancer (MBC) were enrolled prospectively and underwent a combined [18F]FDG-PET/CT and CE-CT scan to diagnose MBC. Experienced nuclear medicine and radiology physicians evaluated the scans blinded to the opposite scan results. Descriptive statistics were applied, and the intermodality proportion of agreement was used to compare [18F]FDG-PET/CT and CE-CT. In total, 76 women with verified MBC were enrolled in the study. The reported number of site-specific metastases for [18F]FDG-PET/CT vs. CE-CT was 53 (69.7%) vs. 44 (57.9%) for bone lesions, 31 (40.8%) vs. 43 (56.6%) for lung lesions, and 16 (21.1%) vs. 23 (30.3%) for liver lesions, respectively. The proportion of agreement between imaging modalities was 76.3% (95% CI 65.2-85.3) for bone lesions; 82.9% (95% CI 72.5-90.6) for liver lesions; 57.9% (95% CI 46.0-69.1) for lung lesions; and 59.2% (95% CI 47.3-70.4) for lymph nodes. In conclusion, bone and distant lymph node metastases were reported more often by [18F]FDG-PET/CT than CE-CT, while liver and lung metastases were reported more often by CE-CT than [18F]FDG-PET/CT. Agreement between scans was highest for bone and liver lesions and lowest for lymph node metastases.
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Affiliation(s)
- Rosa Gram-Nielsen
- Department of Nuclear Medicine, Odense University Hospital, DK-5000 Odense, Denmark; (R.G.-N.); (M.N.-B.); (S.E.D.-W.); (N.M.J.); (M.G.H.)
- Department of Clinical Research, University of Southern Denmark, DK-5000 Odense, Denmark;
| | | | - Mohammad Naghavi-Behzad
- Department of Nuclear Medicine, Odense University Hospital, DK-5000 Odense, Denmark; (R.G.-N.); (M.N.-B.); (S.E.D.-W.); (N.M.J.); (M.G.H.)
- Department of Clinical Research, University of Southern Denmark, DK-5000 Odense, Denmark;
- Centre for Personalized Response Monitoring in Oncology (PREMIO), Odense University Hospital, DK-5000 Odense, Denmark
| | - Sara Elisabeth Dahlsgaard-Wallenius
- Department of Nuclear Medicine, Odense University Hospital, DK-5000 Odense, Denmark; (R.G.-N.); (M.N.-B.); (S.E.D.-W.); (N.M.J.); (M.G.H.)
- Department of Nuclear Medicine, University Hospital of Southern Denmark, DK-7100 Vejle, Denmark
| | - Nick Møldrup Jakobsen
- Department of Nuclear Medicine, Odense University Hospital, DK-5000 Odense, Denmark; (R.G.-N.); (M.N.-B.); (S.E.D.-W.); (N.M.J.); (M.G.H.)
| | - Oke Gerke
- Department of Nuclear Medicine, Odense University Hospital, DK-5000 Odense, Denmark; (R.G.-N.); (M.N.-B.); (S.E.D.-W.); (N.M.J.); (M.G.H.)
- Department of Clinical Research, University of Southern Denmark, DK-5000 Odense, Denmark;
| | | | - Marianne Ewertz
- Department of Clinical Research, University of Southern Denmark, DK-5000 Odense, Denmark;
| | - Malene Grubbe Hildebrandt
- Department of Nuclear Medicine, Odense University Hospital, DK-5000 Odense, Denmark; (R.G.-N.); (M.N.-B.); (S.E.D.-W.); (N.M.J.); (M.G.H.)
- Department of Clinical Research, University of Southern Denmark, DK-5000 Odense, Denmark;
- Department of Nuclear Medicine, University Hospital of Southern Denmark, DK-7100 Vejle, Denmark
- Centre for Innovative Medical Technology, Odense University Hospital, DK-5000 Odense, Denmark
| | - Marianne Vogsen
- Department of Nuclear Medicine, Odense University Hospital, DK-5000 Odense, Denmark; (R.G.-N.); (M.N.-B.); (S.E.D.-W.); (N.M.J.); (M.G.H.)
- Department of Clinical Research, University of Southern Denmark, DK-5000 Odense, Denmark;
- Centre for Personalized Response Monitoring in Oncology (PREMIO), Odense University Hospital, DK-5000 Odense, Denmark
- Department of Oncology, Odense University Hospital, DK-5000 Odense, Denmark;
- Odense Patient Data Explorative Network, Odense University Hospital, DK-5000 Odense, Denmark
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Abstract
Breast cancer (BC) remains one of the leading causes of death among women. The management and outcome in BC are strongly influenced by a multidisciplinary approach, which includes available treatment options and different imaging modalities for accurate response assessment. Among breast imaging modalities, MR imaging is the modality of choice in evaluating response to neoadjuvant therapy, whereas F-18 Fluorodeoxyglucose positron emission tomography, conventional computed tomography (CT), and bone scan play a vital role in assessing response to therapy in metastatic BC. There is an unmet need for a standardized patient-centric approach to use different imaging methods for response assessment.
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Affiliation(s)
- Saima Muzahir
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology and Imaging Sciences, 1364 Clifton Road, Atlanta GA 30322, USA; Division of Nuclear Medicine and Molecular Imaging, Department of Radiology and Imaging Sciences, Emory University Hospital, Room E152, 1364 Clifton Road, Atlanta, GA 30322, USA.
| | - Gary A Ulaner
- Molecular Imaging and Therapy, Hoag Family Cancer Institute, Newport Beach, CA, USA; Radiology and Translational Genomics, University of Southern California, Los Angeles, CA, USA
| | - David M Schuster
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology and Imaging Sciences, Emory University Hospital, Room E152, 1364 Clifton Road, Atlanta, GA 30322, USA
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5
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Groheux D. Breast Cancer Systemic Staging (Comparison of Computed Tomography, Bone Scan, and 18F-Fluorodeoxyglucose PET/Computed Tomography). PET Clin 2023; 18:503-515. [PMID: 37268506 DOI: 10.1016/j.cpet.2023.04.006] [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] [Indexed: 06/04/2023]
Abstract
After an overview of the principles of bone scintigraphy, contrast-enhanced computed tomography (CE-CT) and 18F-fluorodeoxyglucose (FDG)-PET/CT, the advantages and limits of these modalities in the staging of breast cancer are discussed in this paper. CT and PET/CT are not optimal for delineating primary tumor volume, and PET is less efficient than the sentinel node biopsy to depict small axillary lymph node metastases. In large breast cancer tumor, FDG PET/CT is useful to show extra-axillary lymph nodes. FDG PET/CT is superior to bone scan and CE-CT in detecting distant metastases, and it results in a change of treatment plan in nearly 15% of patients.
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Affiliation(s)
- David Groheux
- Department of Nuclear Medicine, Saint-Louis Hospital, Paris, France; University Paris-Diderot, INSERM U976, HIPI, Paris, France; Centre d'Imagerie Radio-isotopique, La Rochelle, France.
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6
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Annovazzi A, Rea S, Maccora D, Pizzuti L, Ferretti G, Vici P, Cappuzzo F, Sciuto R. Prognostic value of [18F]-FDG PET/CT in patients with meta-static breast cancer treated with cyclin-dependent inhibitors. Front Oncol 2023; 13:1193174. [PMID: 37519806 PMCID: PMC10376695 DOI: 10.3389/fonc.2023.1193174] [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: 03/24/2023] [Accepted: 06/30/2023] [Indexed: 08/01/2023] Open
Abstract
Objective The addition of cyclin-dependent kinase 4/6 inhibitors (CDK4/6i) to endocrine therapy impressively improved the outcome of patients with hormone receptor-positive metastatic breast cancer. Despite their great efficacy, not all patients respond to treatment and many of them develop acquired resistance. The aim of this retrospective study was to assess the role of [18F]-FDG PET/CT in predicting PFS and OS in breast cancer patients treated with CDK4/6i. Methods 114 patients who performed an [18F]-FDG PET/CT scan before (PET1) and 2-6 months (PET2) after starting treatment were retrospectively enrolled. Metabolic response was evaluated by EORTC, PERCIST and Deauville Score and correlated to PFS and OS. Results In patients who did not progress at PET2 (n = 90), PFS rates were not significantly different between classes of response by EORTC and PERCIST. Conversely, patients showing a Deauville score ≤3 had a longer PFS (median PFS 42 vs 21.0 months; p = 0.008). A higher total metabolic tumor volume at PET1 (TMTV1) was also associated with a shorter PFS (median 18 vs 42 months; p = 0.0026). TMTV1 and Deauville score were the only independent prognostic factors for PFS at multivariate analysis and their combination stratified the population in four definite classes of relapse risk. Conversely, the above parameters did not affect OS which was only influenced by a progressive metabolic disease at PET2 (3-years survival rate 29.8 vs 84.9%; p<0.0001). Conclusion TMTV and metabolic response by Deauville score were significant prognostic factors for PFS in patients with breast cancer treated with CDK4/6i. Their determination could help physicians to select patients who may need a closer follow up.
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Affiliation(s)
- Alessio Annovazzi
- Nuclear Medicine Unit – IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Sandra Rea
- Nuclear Medicine Unit – IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Daria Maccora
- Nuclear Medicine Unit – IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Laura Pizzuti
- Division of Medical Oncology 2 – IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Gianluigi Ferretti
- Division of Medical Oncology 1 – IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Patrizia Vici
- Phase IV Clinical Trial Unit – IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Federico Cappuzzo
- Division of Medical Oncology 2 – IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Rosa Sciuto
- Nuclear Medicine Unit – IRCCS, Regina Elena National Cancer Institute, Rome, Italy
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7
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Vogsen M, Naghavi-Behzad M, Harbo FG, Jakobsen NM, Gerke O, Asmussen JT, Nissen HJ, Dahlsgaard-Wallenius SE, Braad PE, Jensen JD, Ewertz M, Hildebrandt MG. 2-[ 18F]FDG-PET/CT is a better predictor of survival than conventional CT: a prospective study of response monitoring in metastatic breast cancer. Sci Rep 2023; 13:5552. [PMID: 37019987 PMCID: PMC10076261 DOI: 10.1038/s41598-023-32727-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 03/31/2023] [Indexed: 04/07/2023] Open
Abstract
This study aimed to compare CE-CT and 2-[18F]FDG-PET/CT for response monitoring metastatic breast cancer (MBC). The primary objective was to predict progression-free and disease-specific survival for responders vs. non-responders on CE-CT and 2-[18F]FDG-PET/CT. The secondary objective was to assess agreement between response categorization for the two modalities. Treatment response in women with MBC was monitored prospectively by simultaneous CE-CT and 2-[18F]FDG-PET/CT, allowing participants to serve as their own controls. The standardized response evaluation criteria in solid tumors (RECIST 1.1) and PET response criteria in solid tumors (PERCIST) were used for response categorization. For prediction of progression-free and disease-specific survival, treatment response was dichotomized into responders (partial and complete response) and non-responders (stable and progressive disease) at the first follow-up scan. Progression-free survival was defined as the time from baseline until disease progression or death from any cause. Disease-specific survival was defined as the time from baseline until breast cancer-specific death. Agreement between response categorization for both modalities was analyzed for all response categories and responders vs. non-responders. At the first follow-up, tumor response was reported more often by 2-[18F]FDG-PET/CT than CE-CT, with only fair agreement on response categorization between the two modalities (weighted Kappa 0.28). Two-year progression-free survival for responders vs. non-responders by CE-CT was 54.2% vs. 46.0%, compared with 59.1% vs. 14.3% by 2-[18F]FDG-PET/CT. Correspondingly, 2-year disease-specific survival were 83.3% vs. 77.8% for CE-CT and 84.6% vs. 61.9% for 2-[18F]FDG-PET/CT. Tumor response on 2-[18F]FDG-PET/CT was significantly associated with progression-free (HR: 3.49, P < 0.001) and disease-specific survival (HR 2.35, P = 0.008), while no association was found for tumor response on CE-CT. In conclusion, 2-[18F]FDG-PET/CT appears a better predictor of progression-free and disease-specific survival than CE-CT when used to monitor metastatic breast cancer. In addition, we found low concordance between response categorization between the two modalities. TRIAL REGISTRATION Clinical. TRIALS gov. NCT03358589. Registered 30/11/2017-Retrospectively registered, http://www. CLINICALTRIALS gov.
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Affiliation(s)
- Marianne Vogsen
- Department of Oncology, Odense University Hospital, Kloevervaenget 47, 5000, Odense C, Denmark.
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark.
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark.
- OPEN, Odense Patient Data Explorative Network, Odense University Hospital, Odense, Denmark.
- Centre for Personalized Response Monitoring in Oncology (PREMIO), Odense University Hospital, Odense, Denmark.
| | - Mohammad Naghavi-Behzad
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Centre for Personalized Response Monitoring in Oncology (PREMIO), Odense University Hospital, Odense, Denmark
| | | | | | - Oke Gerke
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Jon Thor Asmussen
- Department of Radiology, Odense University Hospital, Odense, Denmark
| | | | | | - Poul-Erik Braad
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
| | - Jeanette Dupont Jensen
- Department of Oncology, Odense University Hospital, Kloevervaenget 47, 5000, Odense C, Denmark
| | - Marianne Ewertz
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Malene Grubbe Hildebrandt
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Centre for Personalized Response Monitoring in Oncology (PREMIO), Odense University Hospital, Odense, Denmark
- Centre for Innovative Medical Technology, Odense University Hospital, Odense, Denmark
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8
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Vogsen M, Harbo F, Jakobsen NM, Nissen HJ, Dahlsgaard-Wallenius SE, Gerke O, Jensen JD, Asmussen JT, Jylling AMB, Braad PE, Vach W, Ewertz M, Hildebrandt MG. Response Monitoring in Metastatic Breast Cancer: A Prospective Study Comparing 18F-FDG PET/CT with Conventional CT. J Nucl Med 2023; 64:355-361. [PMID: 36207136 PMCID: PMC10071809 DOI: 10.2967/jnumed.121.263358] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 09/14/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to compare contrast-enhanced CT (CE-CT) and 18F-FDG PET/CT for response monitoring in metastatic breast cancer using the standardized response evaluation criteria RECIST 1.1 and PERCIST. The objective was to examine whether progressive disease was detected systematically earlier by one of the modalities. Methods: Women with biopsy-verified metastatic breast cancer were enrolled prospectively and monitored using combined CE-CT and 18F-FDG PET/CT every 9-12 wk to evaluate response to first-line treatment. CE-CT scans and RECIST 1.1 were used for clinical decision-making without accessing the 18F-FDG PET/CT scans. At study completion, 18F-FDG PET/CT scans were unmasked and assessed according to PERCIST. Visual assessment was used if response criteria could not be applied. The modality-specific time to progression was defined as the time from the baseline scan until the first scan demonstrating progression. Paired comparative analyses for CE-CT versus 18F-FDG PET/CT were applied, and the primary endpoint was earlier detection of progression by one modality. Secondary endpoints were time to detection of progression, response categorization, visualization of changes in response over time, and measurable disease according to RECIST and PERCIST. Results: In total, 87 women were evaluable, with a median of 6 (1-11) follow-up scans. Progression was detected first by 18F-FDG PET/CT in 43 (49.4%) of 87 patients and first by CE-CT in 1 (1.15%) of 87 patients (P < 0.0001). Excluding patients without progression (n = 32), progression was seen first on 18F-FDG PET/CT in 78.2% (43/55) of patients. The median time from detection of progression by 18F-FDG PET/CT to that of CE-CT was 6 mo (95% CI, 4.3-6.4 mo). At baseline, 76 (87.4%) of 87 patients had measurable disease according to PERCIST and 51 (58.6%) of 87 patients had measurable disease according to RECIST 1.1. Moreover, 18F-FDG PET/CT provided improved visualization of changes in response over time, as seen in the graphical abstract. Conclusion: Disease progression was detected earlier by 18F-FDG PET/CT than by CE-CT in most patients, with a potentially clinically relevant median 6-mo delay for CE-CT. More patients had measurable disease according to PERCIST than according to RECIST 1.1. The magnitude of the final benefit for patients is a perspective for future research.
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Affiliation(s)
- Marianne Vogsen
- Department of Oncology, Odense University Hospital, Odense, Denmark;
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Odense Patient Data Explorative Network (OPEN), Odense University Hospital, Odense, Denmark
- Centre for Personalized Response Monitoring in Oncology (PREMIO), Odense University Hospital, Odense, Denmark
| | - Frederik Harbo
- Department of Radiology, Odense University Hospital, Odense, Denmark
| | - Nick M Jakobsen
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
| | - Henriette J Nissen
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
| | | | - Oke Gerke
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | | | - Jon T Asmussen
- Department of Radiology, Odense University Hospital, Odense, Denmark
| | - Anne Marie B Jylling
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Poul-Erik Braad
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
| | - Werner Vach
- Basel Academy for Quality and Research in Medicine, Basel, Switzerland; and
| | - Marianne Ewertz
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Malene G Hildebrandt
- Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Centre for Personalized Response Monitoring in Oncology (PREMIO), Odense University Hospital, Odense, Denmark
- Centre for Innovative Medical Technology, Odense University Hospital, Odense, Denmark
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9
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Zhang-Yin J. State of the Art in 2022 PET/CT in Breast Cancer: A Review. J Clin Med 2023; 12:jcm12030968. [PMID: 36769616 PMCID: PMC9917740 DOI: 10.3390/jcm12030968] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/18/2023] [Accepted: 01/24/2023] [Indexed: 02/01/2023] Open
Abstract
Molecular imaging with positron emission tomography is a powerful and well-established tool in breast cancer management. In this review, we aim to address the current place of the main PET radiopharmaceuticals in breast cancer care and offer perspectives on potential future radiopharmaceutical and technological advancements. A special focus is given to the following: the role of 18F-fluorodeoxyglucose positron emission tomography in the clinical management of breast cancer patients, especially during staging; detection of recurrence and evaluation of treatment response; the role of 16α-18Ffluoro-17β-oestradiol positron emission tomography in oestrogen receptors positive breast cancer; the promising radiopharmaceuticals, such as 89Zr-trastuzumab and 68Ga- or 18F-labeled fibroblast activation protein inhibitor; and the application of artificial intelligence.
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Affiliation(s)
- Jules Zhang-Yin
- Department of Nuclear Medicine, Clinique Sud Luxembourg, Vivalia, B-6700 Arlon, Belgium
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10
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Yadav D, Kumar R, Phulia A, Basu S, Alavi A. Molecular Imaging Assessment of Hormonally Sensitive Breast Cancer: An Appraisal of 2-[18F]-Fluoro-2-Deoxy-Glucose and Newer Non-2-[18F]-Fluoro-2-Deoxy-Glucose PET Tracers. PET Clin 2022; 17:399-413. [PMID: 35717099 DOI: 10.1016/j.cpet.2022.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Hormone-sensitive breast cancer, which demonstrates hormone receptor positivity, accounts for approximately 75% of newly diagnosed breast cancer. 2-[18F]-Fluoro-2-deoxy-glucose is the nonspecific radiotracer of glucose metabolism as opposed to specific receptor based tracers like 16α-[18F]-fluoro-17β-estradiol and [18F]-fluoro-furanyl-norprogesterone, which provide essential information about receptor status in the management of hormonally active malignancies. The complementary information provided by (a) 2-[18F]-fluoro-2-deoxy-glucose imaging for staging and prognostication along with (b) analyzing the hormonal receptor status with receptor-based PET imaging in breast cancer can optimize tumor characterization and influence patient management.
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Affiliation(s)
- Divya Yadav
- MD Anderson Cancer Center, University of Texas, Houston, TX, USA
| | - Rakesh Kumar
- Division of Diagnostic Nuclear Medicine, Department of Nuclear Medicine, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India.
| | - Ankita Phulia
- Maulana Azad Medical College, New Delhi, 110002, India
| | - Sandip Basu
- Radiation Medicine Centre (B.A.R.C), Tata Memorial Centre Annexe, Parel, Mumbai; Homi Bhabha National Institute, Mumbai, India
| | - Abass Alavi
- Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
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11
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Edmonds CE, O'Brien SR, Mankoff DA, Pantel AR. Novel applications of molecular imaging to guide breast cancer therapy. Cancer Imaging 2022; 22:31. [PMID: 35729608 PMCID: PMC9210593 DOI: 10.1186/s40644-022-00468-0] [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: 04/03/2022] [Accepted: 05/30/2022] [Indexed: 11/10/2022] Open
Abstract
The goals of precision oncology are to provide targeted drug therapy based on each individual’s specific tumor biology, and to enable the prediction and early assessment of treatment response to allow treatment modification when necessary. Thus, precision oncology aims to maximize treatment success while minimizing the side effects of inadequate or suboptimal therapies. Molecular imaging, through noninvasive assessment of clinically relevant tumor biomarkers across the entire disease burden, has the potential to revolutionize clinical oncology, including breast oncology. In this article, we review breast cancer positron emission tomography (PET) imaging biomarkers for providing early response assessment and predicting treatment outcomes. For 2-18fluoro-2-deoxy-D-glucose (FDG), a marker of cellular glucose metabolism that is well established for staging multiple types of malignancies including breast cancer, we highlight novel applications for early response assessment. We then review current and future applications of novel PET biomarkers for imaging the steroid receptors, including the estrogen and progesterone receptors, the HER2 receptor, cellular proliferation, and amino acid metabolism.
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Affiliation(s)
- Christine E Edmonds
- Department of Radiology, Hospital of the University if Pennsylvania, 3400 Spruce Street, Philadelphia, PA, 19104, USA.
| | - Sophia R O'Brien
- Department of Radiology, Hospital of the University if Pennsylvania, 3400 Spruce Street, Philadelphia, PA, 19104, USA
| | - David A Mankoff
- Department of Radiology, Hospital of the University if Pennsylvania, 3400 Spruce Street, Philadelphia, PA, 19104, USA
| | - Austin R Pantel
- Department of Radiology, Hospital of the University if Pennsylvania, 3400 Spruce Street, Philadelphia, PA, 19104, USA
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Analysis of Cross-Combinations of Feature Selection and Machine-Learning Classification Methods Based on [ 18F]F-FDG PET/CT Radiomic Features for Metabolic Response Prediction of Metastatic Breast Cancer Lesions. Cancers (Basel) 2022; 14:cancers14122922. [PMID: 35740588 PMCID: PMC9221062 DOI: 10.3390/cancers14122922] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/07/2022] [Accepted: 06/09/2022] [Indexed: 11/20/2022] Open
Abstract
Simple Summary Breast cancer is a leading cause of morbidity and mortality worldwide. The metastatic disease is largely responsible for cancer patient deaths, and its treatment implies usually different therapies. In this context, the prediction of response to treatment or depiction of treatment-resistant phenotypes is essential in clinical practice, especially in the new era of precision medicine. In this study, we used several combinations of feature selection methods and machine-learning classifiers to construct predictive models of the metabolic response to the treatment of metastatic breast cancer lesions. These models were based on clinical variables and radiomic features extracted from 2-deoxy-2-[18F]fluoro-D-glucose positron emission tomography/computed tomography ([18F]F-FDG PET/CT) images, obtained prior to the treatment. Our main goal was to know if this prediction was feasible and to identify those combinations with better predictive performance. We found that several combinations were successful to predict the metabolic response to treatment, of which the least absolute shrinkage and selection operator (Lasso) + support vector machines (SVM) had the best mean performance in terms of area under the curve, in both training and validation cohorts. Model performances depended largely on the selected combinations. Abstract Background: This study aimed to identify optimal combinations between feature selection methods and machine-learning classifiers for predicting the metabolic response of individual metastatic breast cancer lesions, based on clinical variables and radiomic features extracted from pretreatment [18F]F-FDG PET/CT images. Methods: A total of 48 patients with confirmed metastatic breast cancer, who received different treatments, were included. All patients had an [18F]F-FDG PET/CT scan before and after the treatment. From 228 metastatic lesions identified, 127 were categorized as responders (complete or partial metabolic response) and 101 as non-responders (stable or progressive metabolic response), by using the percentage changes in SULpeak (peak standardized uptake values normalized for body lean body mass). The lesion pool was divided into training (n = 182) and testing cohorts (n = 46); for each lesion, 101 image features from both PET and CT were extracted (202 features per lesion). These features, along with clinical and pathological information, allowed the prediction model’s construction by using seven popular feature selection methods in cross-combination with another seven machine-learning (ML) classifiers. The performance of the different models was investigated with the receiver-operating characteristic curve (ROC) analysis, using the area under the curve (AUC) and accuracy (ACC) metrics. Results: The combinations, least absolute shrinkage and selection operator (Lasso) + support vector machines (SVM), or random forest (RF) had the highest AUC in the cross-validation, with 0.93 ± 0.06 and 0.92 ± 0.03, respectively, whereas Lasso + neural network (NN) or SVM, and mutual information (MI) + RF, had the higher AUC and ACC in the validation cohort, with 0.90/0.72, 0.86/0.76, and 87/85, respectively. On average, the models with Lasso and models with SVM had the best mean performance for both AUC and ACC in both training and validation cohorts. Conclusions: Image features obtained from a pretreatment [18F]F-FDG PET/CT along with clinical vaiables could predict the metabolic response of metastatic breast cancer lesions, by their incorporation into predictive models, whose performance depends on the selected combination between feature selection and ML classifier methods.
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Allen TJ, Bancroft LCH, Kumar M, Bradshaw TJ, Strigel RM, McMillan AB, Fowler AM. Gadolinium-Based Contrast Agent Attenuation Does Not Impact PET Quantification in Simultaneous Dynamic Contrast Enhanced Breast PET/MR. Med Phys 2022; 49:5206-5215. [PMID: 35621727 DOI: 10.1002/mp.15781] [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: 08/27/2021] [Revised: 04/18/2022] [Accepted: 05/17/2022] [Indexed: 11/12/2022] Open
Abstract
PURPOSE Simultaneous PET/MR imaging involves injection of a radiopharmaceutical and often also includes administration of a gadolinium-based contrast agent (GBCA). Phantom model studies indicate that attenuation of annihilation photons by GBCAs does not bias quantification metrics of PET radiopharmaceutical uptake. However, a direct comparison of attenuation corrected PET values before and after administration of GBCA has not been performed in patients imaged with simultaneous dynamic PET/MR. The purpose of this study was to investigate the attenuating effect of GBCAs on standardized uptake value (SUV) quantification of 18 F-fluorodeoxyglucose (FDG) uptake in invasive breast cancer and normal tissues using simultaneous PET/MR. METHODS The study included 13 women with newly diagnosed invasive breast cancer imaged using simultaneous dedicated prone breast PET/MR with FDG. PET data collection and two-point Dixon based MR attenuation correction sequences began simultaneously before the administration of GBCA to avoid a potential impact of GBCA on the attenuation correction map. A standard clinical dose of GBCA was intravenously administered for the dynamic contrast enhanced MR sequences obtained during the simultaneous PET data acquisition. PET data were dynamically reconstructed into 60 frames of 30 seconds each. Three timing windows were chosen consisting of a single frame (30 seconds), two frames (60 seconds), or four frames (120 seconds) immediately before and after contrast administration. SUVmax and SUVmean of the biopsy-proven breast malignancy, fibroglandular tissue of the contralateral normal breast, descending aorta, and liver were calculated prior to and following GBCA administration. Percent change in the SUV metrics were calculated to test for a statistically significant, non-zero percent change using Wilcoxon signed-rank tests. RESULTS No statistical change in SUVmax or SUVmean was found for the breast malignancies or normal anatomical regions during the timing windows before and after GBCA administration. CONCLUSIONS GBCAs do not significantly impact the results of PET quantification by means of additional attenuation. However, GBCAs may still affect quantification by affecting MR acquisitions used for MR-based attenuation correction which this study did not address. Corrections to account for attenuation due to clinical concentrations of GBCAs are not necessary in simultaneous PET/MR examinations when MR-based attenuation correction sequences are performed prior to GBCA administration. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Timothy J Allen
- Department of Medical Physics, University of Wisconsin-Madison, 1111 Highland Ave, Madison, WI, 53705, USA
| | - Leah C Henze Bancroft
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave., Madison, WI, 53792-3252, USA
| | - Manoj Kumar
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave., Madison, WI, 53792-3252, USA
| | - Tyler J Bradshaw
- Department of Medical Physics, University of Wisconsin-Madison, 1111 Highland Ave, Madison, WI, 53705, USA.,Department of Radiology, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave., Madison, WI, 53792-3252, USA
| | - Roberta M Strigel
- Department of Medical Physics, University of Wisconsin-Madison, 1111 Highland Ave, Madison, WI, 53705, USA.,Department of Radiology, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave., Madison, WI, 53792-3252, USA.,University of Wisconsin Carbone Cancer Center, 600 Highland Ave., Madison, WI, 53792, USA
| | - Alan B McMillan
- Department of Medical Physics, University of Wisconsin-Madison, 1111 Highland Ave, Madison, WI, 53705, USA.,Department of Radiology, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave., Madison, WI, 53792-3252, USA
| | - Amy M Fowler
- Department of Medical Physics, University of Wisconsin-Madison, 1111 Highland Ave, Madison, WI, 53705, USA.,Department of Radiology, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave., Madison, WI, 53792-3252, USA.,University of Wisconsin Carbone Cancer Center, 600 Highland Ave., Madison, WI, 53792, USA
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FDG-PET/CT for Response Monitoring in Metastatic Breast Cancer: The Feasibility and Benefits of Applying PERCIST. Diagnostics (Basel) 2021; 11:diagnostics11040723. [PMID: 33921580 PMCID: PMC8073831 DOI: 10.3390/diagnostics11040723] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/14/2021] [Accepted: 04/16/2021] [Indexed: 12/18/2022] Open
Abstract
Background: We aimed to examine the feasibility and potential benefit of applying PET Response Criteria in Solid Tumors (PERCIST) for response monitoring in metastatic breast cancer (MBC). Further, we introduced the nadir scan as a reference. Methods: Response monitoring FDG-PET/CT scans in 37 women with MBC were retrospectively screened for PERCIST standardization and measurability criteria. One-lesion PERCIST based on changes in SULpeak measurements of the hottest metastatic lesion was used for response categorization. The baseline (PERCISTbaseline) and the nadir scan (PERCISTnadir) were used as references for PERCIST analyses. Results: Metastatic lesions were measurable according to PERCIST in 35 of 37 (94.7%) patients. PERCIST was applied in 150 follow-up scans, with progression more frequently reported by PERCISTnadir (36%) than PERCISTbaseline (29.3%; p = 0.020). Reasons for progression were (a) more than 30% increase in SULpeak of the hottest lesion (n = 7, 15.9%), (b) detection of new metastatic lesions (n = 28, 63.6%), or both (a) and (b) (n = 9, 20.5%). Conclusions: PERCIST, with the introduction of PERCISTnadir, allows a graphical interpretation of disease fluctuation that may be beneficial in clinical decision-making regarding potential earlier termination of non-effective toxic treatment. PERCIST seems feasible for response monitoring in MBC but prospective studies are needed to come this closer.
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Yadav D, Kumar R. Critical Role of 2-[18F]-fluoro-2-deoxy-glucose in Hormonally Active Malignancies. PET Clin 2021; 16:177-189. [PMID: 33648663 DOI: 10.1016/j.cpet.2020.12.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
2-[18F]-fluoro-2-deoxyglucose (FDG) is the most commonly used radiotracer and provides valuable information about glucose metabolism. With the advent of newer receptor-based tracers in the management of hormonally active malignancies, the focus has been shifted from FDG. These tracers might be more specific than FDG because they target specific hormone receptors. But because FDG is widely available, this review discusses what information still can be harnessed from this workhorse of molecular imaging. The personalized implementation of FDG imaging in undifferentiated malignancies will help in characterization of tumor and may aid in patient management.
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Affiliation(s)
- Divya Yadav
- Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Rakesh Kumar
- Diagnostic Nuclear Medicine Division, Department of Nuclear Medicine, AIIMS, Ansari nagar, New Delhi 110029, India.
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Simultaneous PET/MRI in the Evaluation of Breast and Prostate Cancer Using Combined Na[ 18F] F and [ 18F]FDG: a Focus on Skeletal Lesions. Mol Imaging Biol 2021; 22:397-406. [PMID: 31236756 DOI: 10.1007/s11307-019-01392-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE The purpose of this study is to prospectively evaluate the performance of sodium 18F]fluoride (Na[18F]F)/2-deoxy-2-[18F]fluoro-D-glucose ([18F]FDG) simultaneous time-of-flight enabled positron emission tomography (PET)/magnetic resonance imaging (MRI) for the detection of skeletal metastases in selected patients with advanced breast and prostate cancers. PROCEDURE The institutional review board approved this HIPAA-compliant protocol. Written informed consent was obtained from each patient. A total of 74 patients (23 women and 51 men with breast and prostate cancer, respectively) referred for standard-of-care whole-body bone scintigraphy (WBBS) were enrolled in this prospective study. All patients underwent a [99mTc]methyldiphosphonate ([99mTc]MDP) WBBS followed by Na[18F]F/[18F]FDG PET/MRI. Lesions detected by each imaging modality were tabulated and a lesion-based and patient-based analysis was conducted. RESULTS On a patient-based analysis, [99mTc]MDP WBBS identified skeletal lesions in 37 patients and PET/MRI in 45 patients. On a lesion-based analysis, WBBS identified a total of 81 skeletal lesions, whereas PET/MRI identified 140 lesions. Additionally, PET/MRI showed extra-skeletal lesions in 19 patients, including lymph nodes (16), prostate (4) lung (3), and liver (2) lesions. CONCLUSIONS The ability of Na[18F]F/[18F]FDG PET/MRI to identify more skeletal lesions than 99mTc-MDP WBBS and to additionally identify extra-skeletal disease may be beneficial for patient care and represent an alternative to the single modalities performed separately. Na[18F]F/[18F]FDG PET/MRI is a promising approach for evaluation of skeletal and extra-skeletal lesions in a selected population of breast and prostate cancer patients.
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Wahl RL, Hicks RJ. PET Diagnosis and Response Monitoring in Oncology. Mol Imaging 2021. [DOI: 10.1016/b978-0-12-816386-3.00048-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Fowler AM, Kumar M, Bancroft LH, Salem K, Johnson JM, Karow J, Perlman SB, Bradshaw TJ, Hurley SA, McMillan AB, Strigel RM. Measuring Glucose Uptake in Primary Invasive Breast Cancer Using Simultaneous Time-of-Flight Breast PET/MRI: A Method Comparison Study with Prone PET/CT. Radiol Imaging Cancer 2021; 3:e200091. [PMID: 33575660 PMCID: PMC7850238 DOI: 10.1148/rycan.2021200091] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/24/2020] [Accepted: 10/28/2020] [Indexed: 12/26/2022]
Abstract
Purpose To compare the measurement of glucose uptake in primary invasive breast cancer using simultaneous, time-of-flight breast PET/MRI with prone time-of-flight PET/CT. Materials and Methods In this prospective study, women with biopsy-proven invasive breast cancer undergoing preoperative breast MRI from 2016 to 2018 were eligible. Participants who had fasted underwent prone PET/CT of the breasts approximately 60 minutes after injection of 370 MBq (10 mCi) fluorine 18 fluorodeoxyglucose (18F-FDG) followed by prone PET/MRI using standard clinical breast MRI sequences performed simultaneously with PET acquisition. Volumes of interest were drawn for tumors and contralateral normal breast fibroglandular tissue to calculate standardized uptake values (SUVs). Spearman correlation, Wilcoxon signed ranked test, Mann-Whitney test, and Bland-Altman analyses were performed. Results Twenty-three women (mean age, 50 years; range, 33-70 years) were included. Correlation between tumor uptake values measured with PET/MRI and PET/CT was strong (r s = 0.95-0.98). No difference existed between modalities for tumor maximum SUV (SUVmax) normalized to normal breast tissue SUVmean (normSUVmax) (P = .58). The least amount of measurement bias was observed with normSUVmax, +3.86% (95% limits of agreement: -28.92, +36.64). Conclusion These results demonstrate measurement agreement between PET/CT, the current reference standard for tumor glucose uptake quantification, and simultaneous time-of-flight breast 18F-FDG PET/MRI.Keywords: Breast, Comparative Studies, PET/CT, PET/MR Supplemental material is available for this article. © RSNA, 2021See also the commentary by Mankoff and Surti in this issue.
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Affiliation(s)
- Amy M. Fowler
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Manoj Kumar
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Leah Henze Bancroft
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Kelley Salem
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Jacob M. Johnson
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | | | - Scott B. Perlman
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Tyler J. Bradshaw
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Samuel A. Hurley
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Alan B. McMillan
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Roberta M. Strigel
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
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Gillman JA, Pantel AR, Mankoff DA, Edmonds CE. Update on Quantitative Imaging for Predicting and Assessing Response in Oncology. Semin Nucl Med 2020; 50:505-517. [PMID: 33059820 PMCID: PMC9788668 DOI: 10.1053/j.semnuclmed.2020.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Molecular imaging has revolutionized clinical oncology by imaging-specific facets of cancer biology. Through noninvasive measurements of tumor physiology, targeted radiotracers can serve as biomarkers for disease characterization, prognosis, response assessment, and predicting long-term response/survival. In turn, these imaging biomarkers can be utilized to tailor therapeutic regimens to tumor biology. In this article, we review biomarker applications for response assessment and predicting long-term outcomes. 18F-fluorodeoxyglucose (FDG), a measure of cellular glucose metabolism, is discussed in the context of lymphoma and breast and lung cancer. FDG has gained widespread clinical acceptance and has been integrated into the routine clinical care of several malignancies, most notably lymphoma. The novel radiotracers 16α-18F-fluoro-17β-estradiol and 18F-fluorothymidine are reviewed in application to the early prediction of response assessment of breast cancer. Through illustrative examples, we explore current and future applications of molecular imaging biomarkers in the advancement of precision medicine.
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PET/CT for Patients With Breast Cancer: Where Is the Clinical Impact? AJR Am J Roentgenol 2019; 213:254-265. [DOI: 10.2214/ajr.19.21177] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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