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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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Wang X, Huo L. Non-18F-Fluorodeoxyglucos PET Tracers in Pediatric Disease. PET Clin 2020; 15:241-251. [DOI: 10.1016/j.cpet.2020.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Response to: Letter to the Editors: Re: 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 2020; 22:221-222. [PMID: 31933023 DOI: 10.1007/s11307-020-01471-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Taralli S, Caldarella C, Lorusso M, Scolozzi V, Altini C, Rubini G, Calcagni ML. Comparison between 18F-FDG and 18F-NaF PET imaging for assessing bone metastases in breast cancer patients: a literature review. Clin Transl Imaging 2020. [DOI: 10.1007/s40336-020-00363-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Ahuja K, Sotoudeh H, Galgano SJ, Singh R, Gupta N, Gaddamanugu S, Choudhary G. 18F-Sodium Fluoride PET: History, Technical Feasibility, Mechanism of Action, Normal Biodistribution, and Diagnostic Performance in Bone Metastasis Detection Compared with Other Imaging Modalities. J Nucl Med Technol 2019; 48:9-16. [PMID: 31811067 DOI: 10.2967/jnmt.119.234336] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 10/30/2019] [Indexed: 12/13/2022] Open
Abstract
The skeleton is the third most common site for metastasis overall, after the lungs and liver. Accurate diagnosis of osseous metastasis is critical for initial staging, treatment planning, restaging, treatment monitoring, and survival prediction. Currently, 99mTc-methylene diphosphonate whole-body scanning is the cornerstone of imaging to detect osseous metastasis. Although 18F-sodium fluoride (18F-NaF) was one of the oldest medical tracers for this purpose, it was replaced by other tracers because of their better physical properties, until recently. Continued development of PET scanners has opened a new era for 18F-NaF, and given its higher sensitivity, there have been increasing applications in imaging. In this review, we will discuss the history, technical aspects, radiobiology, and biodistribution of this tracer. Finally, we compare the accuracy of 18F-NaF PET with other conventional imaging methods for detection of osseous metastasis.
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Affiliation(s)
- Kriti Ahuja
- Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Houman Sotoudeh
- Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Samuel J Galgano
- Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Ramandeep Singh
- Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts; and
| | - Nishant Gupta
- Department of Radiology, Columbia University at Bassett Healthcare, Cooperstown, New York
| | | | - Gagandeep Choudhary
- Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama
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Abstract
Bone is the most common site of metastases from advanced breast cancer. Whole-body bone scintigraphy has been most frequently used in the process of managing cancer patients; its advantage is that it provides rapid whole-body imaging for screening of osteoblastic or sclerotic/mixed bone metastases at reasonable cost. Recent advanced techniques, such as single-photon emission computed tomography (SPECT)/CT, quantitative analysis, and bone scan index, contribute to better understanding of the disease state. More recent advances in machines and PET drugs improve the staging of the skeleton with higher sensitivity and specificity.
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Khalatbari H, Parisi MT, Kwatra N, Harrison DJ, Shulkin BL. Pediatric Musculoskeletal Imaging: The Indications for and Applications of PET/Computed Tomography. PET Clin 2018; 14:145-174. [PMID: 30420216 DOI: 10.1016/j.cpet.2018.08.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The use of PET/computed tomography (CT) for the evaluation and management of children, adolescents, and young adults continues to expand. The principal tracer used is 18F-fluorodeoxyglucose and the principal indication is oncology, particularly musculoskeletal neoplasms. The purpose of this article is to review the common applications of PET/CT for imaging of musculoskeletal issues in pediatrics and to introduce the use of PET/CT for nononcologic issues, such as infectious/inflammatory disorders, and review the use of 18F-sodium fluoride in trauma and sports-related injuries.
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Affiliation(s)
- Hedieh Khalatbari
- Department of Radiology, University of Washington School of Medicine, Seattle Children's Hospital, 4800 Sandpoint Way NE, Seattle, WA 98105, USA.
| | - Marguerite T Parisi
- Department of Radiology, University of Washington School of Medicine, Seattle Children's Hospital, 4800 Sandpoint Way NE, Seattle, WA 98105, USA; Department of Pediatrics, University of Washington School of Medicine, Seattle Children's Hospital, 4800 Sandpoint Way NE, Seattle, WA 98105, USA
| | - Neha Kwatra
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Douglas J Harrison
- Department of Pediatrics, MD Anderson Cancer Center, 7600 Beechnut Street, Houston, TX 77074, USA
| | - Barry L Shulkin
- Department of Diagnostic Imaging, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
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Zhang Y, Chen Y, Huang Z, Zhang L, Wan Q, Lei L. Comparison of 18F-NaF PET/CT and 18F-FDG PET/CT for Detection of Skull-Base Invasion and Osseous Metastases in Nasopharyngeal Carcinoma. CONTRAST MEDIA & MOLECULAR IMAGING 2018; 2018:8271313. [PMID: 30254551 PMCID: PMC6145050 DOI: 10.1155/2018/8271313] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 08/09/2018] [Indexed: 11/17/2022]
Abstract
Our study aimed at comparing the diagnostic value of 18F-NaF positron emission tomography-computed tomography (PET/CT) and 18F-fluorodeoxyglucose (FDG) PET/CT for detection of skull-base invasion and osseous metastases in patients with nasopharyngeal carcinoma (NPC). Our study retrospectively analyzed 45 patients with pathologically proven NPC. They all underwent both 18F-NaF PET/CT and 18F-FDG PET/CT within a 7-day interval. Bone metastases were confirmed by follow-up using PET/CT, enhance-contrast computed tomography (CT), and magnetic resonance image (MRI). These two examinations were compared using per-patient-based analysis and per-lesion-based analysis. 18F-NaF PET/CT detected 27 patients with skull-base invasion, whereas 18F-FDG PET/CT detected 17 patients. 18F-NaF PET/CT and 18F-FDG PET/CT differed significantly in diagnosing skull-base invasion (p=0.02) and sensitivity (p=0.008). The sensitivity, specificity, and agreement rate of 18F-NaF PET/CT for detecting bone metastatic lesions were 98.3%, 65.7%, and 92.9%, respectively; these values were 42.9%, 97.1%, and 51.9%, respectively, for 18F-FDG PET/CT. 18F-NaF PET/CT and 18F-FDG PET/CT differed significantly in the number of osseous metastases detected (t=2.45, p=0.18) sensitivity (p < 0.0001) and specificity (p=0.003). In patients with nasopharyngeal carcinoma, 18F-NaF PET/CT assessed invasion of the skull base better and detected more osseous metastases than 18F-FDG PET/CT.
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Affiliation(s)
- Yin Zhang
- Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yue Chen
- Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China
| | - Zhanwen Huang
- Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Li Zhang
- Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Qiang Wan
- Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Lei Lei
- Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China
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Reubi JC, Maecke HR. Approaches to Multireceptor Targeting: Hybrid Radioligands, Radioligand Cocktails, and Sequential Radioligand Applications. J Nucl Med 2017; 58:10S-16S. [DOI: 10.2967/jnumed.116.186882] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 07/19/2017] [Indexed: 01/21/2023] Open
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Incremental Value of Cocktail 18F-FDG and 18F-NaF PET/CT Over 18F-FDG PET/CT Alone for Characterization of Skeletal Metastases in Breast Cancer. Clin Nucl Med 2017; 42:335-340. [PMID: 28263210 DOI: 10.1097/rlu.0000000000001615] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE The aim of this study was to evaluate the incremental value of cocktail F-FDG/F-NaF PET/CT over F-FDG PET/CT alone for detection of skeletal metastases in breast cancer patients. METHODS Seventy patients with locally advanced/recurrent breast cancer were prospectively included. All patients underwent whole-body F-FDG PET/CT and cocktail F-FDG/F-NaF PET/CT within a span of 1 week. Both studies were evaluated to detect presence of skeletal/marrow metastases on PET/CT images by 2 nuclear medicine physicians. Clinical and radiological correlation/follow-up was used as criterion standard. RESULTS Of 70 patients, 50 (71.0%) had locally advanced breast cancer, and 20 had recurrent breast cancer. On patient-wise analysis, both cocktail PET/CT and F-FDG PET/CT identified skeletal/marrow lesions in 23 (32.8%) of 70 patients. In 8 patients (11.4%), only cocktail PET/CT identified skeletal/marrow lesions, whereas F-FDG PET/CT was negative. In the rest of the 39 patients (55.8%), no skeletal/marrow lesion was identified on both scans. Good correlation was noted between cocktail PET/CT and F-FDG PET/CT results (r = 0.785, P < 0.0001). Cocktail PET/CT detected lesions in significantly more number of patients than F-FDG PET/CT alone (P = 0.007). On lesion-wise analysis, cocktail PET/CT detected more number of lesions in 20 patients as compared with F-FDG-PET/CT alone. Both scans detected same number of lesions in the rest of 11 patients with positive findings. A total of 32 additional lesions were identified on cocktail PET/CT imaging as compared with F PET/CT alone (P < 0.0001). CONCLUSIONS Cocktail F-FDG and F-NaF PET/CT is superior to F-FDG PET/CT alone for the detection of skeletal/marrow metastases in breast cancer. It can be a better alternative to F-FDG PET/CT alone in facilities where both tracers are available.
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Iagaru AH, Mittra E, Colletti PM, Jadvar H. Bone-Targeted Imaging and Radionuclide Therapy in Prostate Cancer. J Nucl Med 2017; 57:19S-24S. [PMID: 27694165 DOI: 10.2967/jnumed.115.170746] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 06/01/2016] [Indexed: 01/03/2023] Open
Abstract
Although selective metabolic and receptor-based molecular agents will surely be included in the future of prostate cancer diagnosis and therapy, currently available inorganic compounds-such as 18F-NaF for the diagnosis of bony disease and 223RaCl2 for the therapy of bone metastases-were recently shown to be superior to standard 99mTc-phosphonates for diagnosis and 153Sm-ethylenediaminetetramethylene phosphonate or 89SrCl2 for therapy. The advantages of 18F-NaF include improved lesion detection and, when used in combination with CT, improved diagnostic confidence and specificity. In addition to being the first approved α-emitter, 223RaCl2 is the first radiopharmaceutical to show an increase in overall survival, a decrease in skeletal events, palliation of bone pain, and a low profile of adverse reactions (which are mild and manageable). The management of metastatic bone disease with 223RaCl2 is uniquely satisfying, as patients can be monitored directly during their monthly treatment visits.
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Affiliation(s)
- Andrei H Iagaru
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Stanford University, Stanford, California; and
| | - Erik Mittra
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Stanford University, Stanford, California; and
| | - Patrick M Colletti
- Division of Nuclear Medicine, Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Hossein Jadvar
- Division of Nuclear Medicine, Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, California
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Iagaru A. Dual-Integrin α vβ 3- and Gastrin-Releasing Peptide Receptor-Targeting PET Radiotracer ( 68Ga-BBN-RGD). J Nucl Med 2017; 58:1706. [PMID: 28280224 DOI: 10.2967/jnumed.117.191478] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Affiliation(s)
- Andrei Iagaru
- Stanford University 300 Pasteur Dr., H-2200 Stanford, CA 94305 E-mail:
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15
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One-Step Systemic Staging for Patients with Breast Cancer. Breast Cancer 2017. [DOI: 10.1007/978-3-319-48848-6_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Optimizing an 18F-NaF and 18F-FDG cocktail for PET assessment of metastatic castration-resistant prostate cancer. Nucl Med Commun 2016; 36:1174-80. [PMID: 26378490 DOI: 10.1097/mnm.0000000000000383] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND PET/computed tomography (CT) imaging with the sodium-(F)-fluoride/2-(F)-fluoro-2-deoxy-D-glucose (F-NaF/F-FDG) cocktail has been proposed for patients with osseous metastases. This work aimed to optimize the cocktail composition for patients with metastatic castration-resistant prostate cancer (mCRPC). MATERIALS AND METHODS The study was carried out on six patients with mCRPC, with a total of 26 analyzed lesions. The patients were injected with F-NaF and F-FDG at separate time points. Dynamic PET/CT imaging recorded the uptake time course for both the tracers into osseous metastases. F-NaF and F-FDG uptakes were decoupled by kinetic analysis, which enabled calculation of F-NaF and F-FDG standardized uptake values (SUVs) images. Peak, mean, and total SUVs were evaluated for both tracers and all visible lesions. The F-NaF/F-FDG cocktail was optimized under the assumption that the contribution of both tracers to image formation is equal. SUV images from PET/CT imaging with a combination of F-NaF and F-FDG were generated for cocktail compositions with an F-NaF : F-FDG ratio varying from 1 : 8 to 1 : 2. RESULTS The F-NaF peak and mean SUVs were on average four to five times higher than the F-FDG peak and mean SUVs, with an interlesion coefficient of variations of 20%. The total SUV for F-NaF was on average seven times higher than that for F-FDG. When the F-NaF : F-FDG ratio changed from 1 : 8 to 1 : 2, the typical SUV on the generated PET images increased by 50%, whereas the change in the uptake visual pattern was hardly noticeable. CONCLUSION F-NaF and F-FDG in the cocktail contribute equally to image formation when the F-NaF : F-FDG ratio is 1 : 5. Therefore, we propose this ratio as the optimal cocktail composition for mCRPC patients. We also urge to strictly control the cocktail composition during any F-NaF/F-FDG cocktail PET/CT examination.
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Azad GK, Cook GJ. Multi-technique imaging of bone metastases: spotlight on PET-CT. Clin Radiol 2016; 71:620-31. [PMID: 26997430 DOI: 10.1016/j.crad.2016.01.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 12/30/2015] [Accepted: 01/13/2016] [Indexed: 12/12/2022]
Abstract
There is growing evidence that molecular imaging of bone metastases with positron-emission tomography (PET) can improve diagnosis and treatment response assessment over current conventional standard imaging methods, although cost-effectiveness has not been assessed. In most cancer types, 2-[(18)F]-fluoro-2-deoxy-d-glucose ((18)F-FDG)-PET is an accurate method for detecting bone metastases. For example, in breast cancer, combined (18)F-FDG-PET and computed tomography (CT) is more sensitive at detecting bone metastases than (99m)technetium (Tc)-labelled diphosphonate planar bone scintigraphy (BS) and there is increasing evidence to support the use of serial (18)F-FDG-PET for the assessment of osseous response to treatment. Preliminary data suggest improved diagnostic accuracy of (18)F-FDG-PET-CT in a number of other malignancies including lung, thyroid, head and neck, gastro-oesophageal cancers, and osteosarcoma. As a bone-specific tracer, there is accumulating evidence to support the use of sodium (18)F-fluoride ((18)F-NaF) PET-CT in the diagnosis of skeletal metastases in breast and prostate cancer, although relatively little data are available to support its use for assessment of treatment response. In prostate cancer, (11)C-choline and (18)F-choline PET-CT have better specificities than (18)F-NaF-PET-CT, but equivalent sensitivities in the detection of bone metastases. We review the current literature for staging and response assessment of bone metastases in different cancers.
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Affiliation(s)
- Gurdip K Azad
- Cancer Imaging Department, Division of Imaging Sciences and Biomedical Engineering, King's College London, St Thomas' Hospital, London, UK
| | - Gary J Cook
- Cancer Imaging Department, Division of Imaging Sciences and Biomedical Engineering, King's College London, St Thomas' Hospital, London, UK; Clinical PET Centre, St Thomas' Hospital, London, UK.
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Capitanio S, Bongioanni F, Piccardo A, Campus C, Gonella R, Tixi L, Naseri M, Pennone M, Altrinetti V, Buschiazzo A, Bossert I, Fiz F, Bruno A, DeCensi A, Sambuceti G, Morbelli S. Comparisons between glucose analogue 2-deoxy-2-( 18F)fluoro-D-glucose and 18F-sodium fluoride positron emission tomography/computed tomography in breast cancer patients with bone lesions. World J Radiol 2016; 8:200-209. [PMID: 26981229 PMCID: PMC4770182 DOI: 10.4329/wjr.v8.i2.200] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 10/08/2015] [Accepted: 12/11/2015] [Indexed: 02/06/2023] Open
Abstract
AIM: To compare 2-deoxy-2-(18F)fluoro-D-glucose(18F-FDG) and 18F-sodium (18F-NaF) positron emission tomography/computed tomography (PET/CT) accuracy in breast cancer patients with clinically/radiologically suspected or known bone metastases.
METHODS: A total of 45 consecutive patients with breast cancer and the presence or clinical/biochemical or radiological suspicion of bone metastatic disease underwent 18F-FDG and 18F-fluoride PET/CT. Imaging results were compared with histopathology when available, or clinical and radiological follow-up of at least 1 year. For each technique we calculated: Sensitivity (Se), specificity (Sp), overall accuracy, positive and negative predictive values, error rate, and Youden’s index. McNemar’s χ2 test was used to test the difference in sensitivity and specificity between the two diagnostic methods. All analyses were computed on a patient basis, and then on a lesion basis, with consideration ofthe density of independent lesions on the co-registered CT (sclerotic, lytic, mixed, no-lesions) and the divergent site of disease (skull, spine, ribs, extremities, pelvis). The impact of adding 18F-NaF PET/CT to the work-up of patients was also measured in terms of change in their management due to 18F-NaF PET/CT findings.
RESULTS: The two imaging methods of 18F-FDG and 18F-fluoride PET/CT were significantly different at the patient-based analysis: Accuracy was 86.7% and 84.4%, respectively (McNemar’s χ2 = 6.23, df = 1, P = 0.01). Overall, 244 bone lesions were detected in our analysis. The overall accuracy of the two methods was significantly different at lesion-based analysis (McNemar’s χ2 = 93.4, df = 1, P < 0.0001). In the lesion density-based and site-based analysis, 18F-FDG PET/CT provided more accurate results in the detection of CT-negative metastasis (P < 0.002) and vertebral localizations (P < 0.002); 18F-NaF PET/CT was more accurate in detecting sclerotic (P < 0.005) and rib lesions (P < 0.04). 18F-NaF PET/CT led to a change of management in 3 of the 45 patients (6.6%) by revealing findings that were not detected at 18F-FDG PET/CT.
CONCLUSION: 18F-FDG PET/CT is a reliable imaging tool in the detection of bone metastasis in most cases, with a diagnostic accuracy that is slightly, but significantly, superior to that of 18F-NaF PET/CT in the general population of breast cancer patients. However, the extremely high sensitivity of 18F-fluoride PET/CT can exploit its diagnostic potential in specific clinical settings (i.e., small CT-evident sclerotic lesions, high clinical suspicious of relapse, and negative 18F-FDG PET and conventional imaging).
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Roberts CC, Kransdorf MJ, Beaman FD, Adler RS, Amini B, Appel M, Bernard SA, Fries IB, Germano IM, Greenspan BS, Holly LT, Kubicky CD, Lo SSM, Mosher TJ, Sloan AE, Tuite MJ, Walker EA, Ward RJ, Wessell DE, Weissman BN. ACR Appropriateness Criteria Follow-Up of Malignant or Aggressive Musculoskeletal Tumors. J Am Coll Radiol 2016; 13:389-400. [PMID: 26922595 DOI: 10.1016/j.jacr.2015.12.019] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 12/16/2015] [Indexed: 02/07/2023]
Abstract
Appropriate imaging modalities for the follow-up of malignant or aggressive musculoskeletal tumors include radiography, MRI, CT, (18)F-2-fluoro-2-deoxy-D-glucose PET/CT, (99m)Tc bone scan, and ultrasound. Clinical scenarios reviewed include evaluation for metastatic disease to the lung in low- and high-risk patients, for osseous metastatic disease in asymptomatic and symptomatic patients, for local recurrence of osseous tumors with and without significant hardware present, and for local recurrence of soft tissue tumors. The timing for follow-up of pulmonary metastasis surveillance is also reviewed. The ACR Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed every three years by a multidisciplinary expert panel. The guideline development and review include an extensive analysis of current medical literature from peer-reviewed journals and the application of a well-established consensus methodology (modified Delphi) to rate the appropriateness of imaging and treatment procedures by the panel. In those instances in which evidence is lacking or not definitive, expert opinion may be used to recommend imaging or treatment.
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Affiliation(s)
| | | | | | - Ronald S Adler
- New York University Center for Musculoskeletal Care, New York, New York
| | - Behrang Amini
- University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Marc Appel
- Warwick Valley Orthopedic Surgery, Warwick, New York, American Academy of Orthopaedic Surgeons
| | - Stephanie A Bernard
- Penn State University Milton S. Hershey Medical Center, Hershey, Pennsylvania
| | - Ian Blair Fries
- Bone, Spine and Hand Surgery, Chartered, Brick, New Jersey, American Academy of Orthopaedic Surgeons
| | | | | | - Langston T Holly
- University of California Los Angeles Medical Center, Los Angeles, California
| | | | - Simon Shek-Man Lo
- University Hospitals Seidman Cancer Center, Case Western Reserve University, Cleveland, Ohio
| | - Timothy J Mosher
- Penn State University Milton S. Hershey Medical Center, Hershey, Pennsylvania
| | - Andrew E Sloan
- University Hospital Case Medical Center, Cleveland, Ohio
| | | | - Eric A Walker
- Penn State University Milton S. Hershey Medical Center, Hershey, Pennsylvania
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Cook GJR, Azad GK, Goh V. Imaging Bone Metastases in Breast Cancer: Staging and Response Assessment. J Nucl Med 2016; 57 Suppl 1:27S-33S. [PMID: 26834098 DOI: 10.2967/jnumed.115.157867] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Bone metastases are common in patients with advanced breast cancer. Given the significant associated morbidity, the introduction of new, effective systemic therapies, and the improvement in survival time, early detection and response assessment of skeletal metastases have become even more important. Although planar bone scanning has recognized limitations, in particular, poor specificity in staging and response assessment, it continues to be the main method in current clinical practice for staging of the skeleton in patients at risk of bone metastases. However, the accuracy of bone scanning can be improved with the addition of SPECT/CT. There have been reported improvements in sensitivity and specificity for staging of the skeleton with either bone-specific PET/CT tracers, such as (18)F-NaF, or tumor-specific tracers, such as (18)F-FDG, although these methods are less widely available and more costly. There is a paucity of data on the use of (18)F-NaF PET/CT for response assessment in breast cancer, but there is increasing evidence that (18)F-FDG PET/CT may improve on current methods in this regard. At the same time, interest and experience in using whole-body morphologic MRI augmented with diffusion-weighted imaging for both staging and response assessment in the skeleton have been increasing. However, data on comparisons of these methods with PET methods to determine the best technique for current clinical practice or for clinical trials are insufficient. There are early data supporting the use (18)F-FDG PET/MRI to assess malignant disease in the skeleton, with the possibility of taking advantage of the synergies offered by combining morphologic, physiologic, and metabolic imaging.
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Affiliation(s)
- Gary J R Cook
- Cancer Imaging Department, Division of Imaging Sciences and Biomedical Engineering, Kings College London, London, England
| | - Gurdip K Azad
- Cancer Imaging Department, Division of Imaging Sciences and Biomedical Engineering, Kings College London, London, England
| | - Vicky Goh
- Cancer Imaging Department, Division of Imaging Sciences and Biomedical Engineering, Kings College London, London, England
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Azad GK, Taylor B, Rubello D, Colletti PM, Goh V, Cook GJ. Molecular and Functional Imaging of Bone Metastases in Breast and Prostate Cancers: An Overview. Clin Nucl Med 2016; 41:e44-50. [PMID: 26402127 DOI: 10.1097/rlu.0000000000000993] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Our ability to accurately assess the skeleton for metastases in breast and prostate cancers has improved significantly in recent years with hybrid imaging methods. Nevertheless, no consensus has been reached on the best imaging modality for diagnosis and treatment response assessment of skeletal disease. Hybrid SPECT/CT has low false-positive and false-negative rates compared with planar bone scintigraphy (BS) or BS augmented with SPECT in breast and prostate cancers. In breast cancer, 18F-FDG PET is more sensitive and accurate at detecting bone metastases than BS. Currently, little evidence has accrued to support the superiority of 18F-fluoride (18F-NaF) PET in diagnosing osseous metastases or monitoring treatment response in breast cancer when compared with conventional imaging. In prostate cancer, the sensitivities of 18F-NaF PET/CT, 18F-fluorocholine (18F-choline), or 11C-choline PET/CT are equivalent, although 11C-/18F-choline PET/CT scans are more specific. Whole-body MRI, using anatomical sequences complemented by diffusion-weighted MRI, shows early evidence of utility for diagnosis and monitoring therapy response. We review the literature for staging and response assessment in metastatic breast and prostate cancer. While staging accuracy has significantly improved with hybrid imaging, optimal methods for assessing early treatment response have not been determined, and this is an area of active research.
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Minamimoto R, Loening A, Jamali M, Barkhodari A, Mosci C, Jackson T, Obara P, Taviani V, Gambhir SS, Vasanawala S, Iagaru A. Prospective Comparison of 99mTc-MDP Scintigraphy, Combined 18F-NaF and 18F-FDG PET/CT, and Whole-Body MRI in Patients with Breast and Prostate Cancer. J Nucl Med 2015; 56:1862-8. [DOI: 10.2967/jnumed.115.162610] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 09/10/2015] [Indexed: 12/27/2022] Open
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Iagaru A. 18F-Fluoride PET in the Assessment of Malignant Bone Disease. J Nucl Med 2015; 56:1476-7. [PMID: 26294299 DOI: 10.2967/jnumed.115.162784] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Accepted: 07/21/2015] [Indexed: 11/16/2022] Open
Affiliation(s)
- Andrei Iagaru
- Division of Nuclear Medicine and Molecular Imaging, Stanford University, Stanford, California
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Abstract
The use of (18)F-sodium fluoride ((18)F-NaF) with PET/CT is increasing. This resurgence of an old tracer has been fueled by several factors including superior diagnostic performance over standard (99m)Tc-based bone scintigraphy, growth in the availability of PET/CT imaging systems, increase in the number of regional commercial distribution centers for PET radiotracers, the recent concerns about potential recurring shortages with (99m)Tc-based radiotracers, and the recent decision by the Centers for Medicare and Medicaid Services to reimburse for (18)F-NaF PET/CT for evaluation of patients with known or suspected bone metastases through the National Oncologic PET Registry. The major goal of this article is to review the current evidence on the diagnostic utility of (18)F-NaF in the imaging assessment of the bone and joint in a variety of clinical conditions.
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Affiliation(s)
- Hossein Jadvar
- PET/CT Imaging Science Center, Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA.
| | - Bhushan Desai
- PET/CT Imaging Science Center, Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Peter S Conti
- PET/CT Imaging Science Center, Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA
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18F-Fluoride PET/CT for detection of bone metastasis in patients with renal cell carcinoma: a pilot study. Nucl Med Commun 2015; 35:1247-53. [PMID: 25171438 DOI: 10.1097/mnm.0000000000000195] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
PURPOSE The aim of this study was to evaluate the role of F-fluoride PET/computed tomography (CT) in the detection of bone metastasis in patients with renal cell carcinoma (RCC) and compare the results with fluorine-18 fluorodeoxyglucose (F-FDG) PET/CT and technetium-99m methylene diphosphonate bone scintigraphy (BS) when available. MATERIALS AND METHODS The data of 36 patients (mean age: 52.5±14.1 years; male/female: 27/9) with RCC who prospectively underwent F-fluoride PET/CT were analyzed. PET/CT images were analyzed by two nuclear medicine physicians in consensus, visually and semiquantitatively [maximum standardized uptake value (SUVmax)]. Results of F-fluoride PET/CT were compared with those of F-FDG PET/CT (n=16) and BS (n=22). Histopathology or clinical or imaging follow-up (minimum 6 months) were used as the reference standard. RESULTS Overall, F-fluoride PET/CT showed a sensitivity of 100%, specificity of 94.4%, positive predictive value of 94.7%, negative predictive value of 100%, and accuracy of 97.2%. It demonstrated a total of 134 skeletal lesions, of which 101 were characterized as metastasis and 33 as benign. Corresponding CT changes were seen for 129/134 lesions. The mean SUVmax of the lesions was 30.3±48.4. F-Fluoride PET/CT and F-FDG PET/CT showed similar accuracy for visualization of bone metastasis (93.7 vs. 100%; P=0.993). However, F-FDG PET/CT additionally demonstrated extraskeletal metastasis in 6/16 patients. No significant difference was seen between the accuracies of BS and F-fluoride PET/CT for visualization of bone metastasis (93.7 vs. 100%; P=0.115), but the former showed significantly more skeletal lesions (91 vs. 44; P<0.0001). In 4/22 patients (18%) with negative BS, F-fluoride PET/CT demonstrated skeletal metastasis. CONCLUSION F-Fluoride PET/CT shows high diagnostic accuracy for the detection of bone metastasis in patients with RCC. It shows comparable results to F-FDG PET/CT and detects more skeletal lesions compared to BS.
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Woolf DK, Padhani AR, Makris A. Assessing response to treatment of bone metastases from breast cancer: what should be the standard of care? Ann Oncol 2015; 26:1048-1057. [PMID: 25471332 DOI: 10.1093/annonc/mdu558] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 11/13/2014] [Indexed: 01/09/2023] Open
Abstract
Bone is the most common site for breast cancer metastases, occurring in up to 70% of those with metastatic disease. In order to effectively manage these patients, it is essential to have consistent, reproducible and validated methods of assessing response to therapy. We present current clinical practice of imaging response assessment of bone metastases. We also review the biology of bone metastases and measures of response assessment including clinical assessment, tumour markers and imaging techniques; bone scans (BSs), computed tomography (CT), positron emission tomography, magnetic resonance imaging (MRI) and whole-body diffusion-weighted MRI (WB DW-MRI). The current standard of care of BSs and CT has significant limitations and are not routinely recommended for the purpose of response assessment in the bones. WB DW-MRI has the potential to address this unmet need and should be evaluated in clinical trials.
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Affiliation(s)
- D K Woolf
- Breast Cancer Research Unit, Mount Vernon Cancer Centre, Northwood.
| | - A R Padhani
- Paul Strickland Scanner Centre, Mount Vernon Hospital, Northwood, UK
| | - A Makris
- Breast Cancer Research Unit, Mount Vernon Cancer Centre, Northwood
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Minamimoto R, Mosci C, Jamali M, Barkhodari A, Habte F, Jackson T, Mittra E, Gambhir SS, Iagaru A. Semiquantitative Analysis of the Biodistribution of the Combined 18F-NaF and 18F-FDG Administration for PET/CT Imaging. J Nucl Med 2015; 56:688-94. [DOI: 10.2967/jnumed.115.153767] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 03/12/2015] [Indexed: 01/18/2023] Open
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Chan HP, Hu C, Yu CC, Huang TC, Peng NJ. Added value of using a cocktail of F-18 sodium fluoride and F-18 fluorodeoxyglucose in positron emission tomography/computed tomography for detecting bony metastasis: a case report. Medicine (Baltimore) 2015; 94:e687. [PMID: 25837761 PMCID: PMC4554036 DOI: 10.1097/md.0000000000000687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Current nuclear imaging of the skeletal system is achieved using technetium-99m (Tc-99m) methylene diphosphonate (MDP), F-18 sodium fluoride (NaF), or F-18 fluorodeoxyglucose (FDG). However, comparisons of these are rare in the literature. We present a case of a 51-year-old female with suspicious lung cancer due to main symptoms of dyspnea, nonproductive cough, and pleural pain. Tc-99m MDP whole-body bone scan (WBBS) showed multiple bony metastases. Five days later, positron emission tomography/computed tomography (PET/CT) images using both F-18 NaF and a cocktail of F-18 NaF and F-18 FDG were obtained on the same day 2 hours apart. The former showed more foci and precisely showed bony lesions compared to those obtained using Tc-99m MDP WBBS. However, the latter demonstrated more extensive radiotracer uptake, especially in osteolytic lesions, and additional soft tissue lesions in the left axillary and surpraclavicular nodes as well as the left pleura. Surgical biopsy was performed in left axillary nodes, and the metastatic carcinoma was found to be of breast origin. This case demonstrated that a cocktail of F-18 NaF and F-18 FDG could be useful in PET/CT for not only detecting more skeletal lesions but also guiding biopsies accurately to the affected tissue.
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Affiliation(s)
- Hung-Pin Chan
- From the Department of Nuclear Medicine (H-PC, CH, C-CY, T-CH, N-JP), Kaohsiung Veterans General Hospital; Department of Information Engineering (C-CY), I-Shou University, Kaohsiung; and National Yang-Ming University (N-JP), School of Medicine, Taipei, Taiwan
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A comparative study of 18F-fluorodeoxyglucose positron emission tomography/computed tomography and (99m)Tc-MDP whole-body bone scanning for imaging osteolytic bone metastases. BMC Med Imaging 2015; 15:7. [PMID: 25885599 PMCID: PMC4358702 DOI: 10.1186/s12880-015-0047-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2014] [Accepted: 02/04/2015] [Indexed: 11/18/2022] Open
Abstract
Background The objective of this study was to evaluate the feasibility and diagnostic value of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) and 99mTc-methylenediphosphonate (MDP) whole-body bone scanning (BS) for the detection of osteolytic bone metastases. Methods Thirty-four patients with pathologically confirmed malignancies and suspected osteolytic bone metastases underwent 18F-FDG PET/CT and 99mTc-MDP whole-body BS within 30 days. The sensitivity, specificity, and accuracy with respect to the diagnosis of osteolytic bone metastases and bone lesions were compared between the two imaging methods. Results The sensitivity, specificity, and accuracy of 18F-FDG PET/CT for the diagnosis of osteolytic bone metastases were 94.3% (95% confidence interval [CI], 91.6–96.2%), 83.3% (95% CI, 43.6–96.9%), and 94.2% (95% CI, 91.5–96.1%), respectively. It was found that 99mTc-MDP whole-body BS could discriminate between patients with 50.2% (95% CI, 45.4–55.1%) sensitivity, 50.0% (95% CI, 18.8–81.2%) specificity, and 50.2% (95% CI, 45.5–55.1%) accuracy. 18F-FDG PET/CT achieved higher sensitivity, specificity, and accuracy in detecting osteolytic bone metastases than 99mTc-MDP whole-body BS (p<0.001). Conclusions F-FDG PET/CT has a higher diagnostic value than 99mTc-MDP whole-body BS in the detection of osteolytic bone metastases, especially in the vertebra.
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Simoncic U, Perlman S, Liu G, Staab MJ, Straus JE, Jeraj R. Comparison of NaF and FDG PET/CT for assessment of treatment response in castration-resistant prostate cancers with osseous metastases. Clin Genitourin Cancer 2014; 13:e7-e17. [PMID: 25128349 DOI: 10.1016/j.clgc.2014.07.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 07/04/2014] [Accepted: 07/08/2014] [Indexed: 10/25/2022]
Abstract
BACKGROUND Assessment of skeletal metastases' response to therapy is a highly relevant but unresolved clinical problem. The main goal of this work was to compare pharmacodynamic responses to therapy assessed with positron emission tomography-computed tomography (PET/CT) using fluorine-18 sodium fluoride (NaF) and fluorine-18 fluorodeoxyglucose (FDG) as the tracers. MATERIALS AND METHODS Patients with prostate cancer with known osseous metastases were treated with zibotentan (ZD4054) and imaged with combined dynamic NaF/FDG PET/CT before therapy (baseline), after 4 weeks of therapy (week 4), and after 2 weeks of treatment break (week 6). Kinetic analysis allowed comparison of the voxel-based tracer uptake rate parameter Ki, the vasculature parameters K1 (measuring perfusion/permeability) and Vb (measuring vasculature fraction in the tissue), and the standardized uptake values (SUVs). RESULTS Correlations were high for the NaF and FDG peak uptake parameters (Ki and SUV correlations ranged from 0.57 to 0.88) and for vasculature parameters (K1 and Vb correlations ranged from 0.61 to 0.81). Correlation was low between the NaF and FDG week 4 Ki responses (ρ = 0.35; P = .084) but was higher for NaF and FDG week 6 Ki responses (ρ = 0.72; P < .0001). Correlations for vasculature responses were always low (ρ < 0.35). NaF and FDG uptakes in the osseous metastases were spatially dislocated, with overlap in the range from 0% to 80%. CONCLUSION This study found that late NaF and FDG uptake responses are consistently correlated but that earlier uptake responses and all vasculature responses can be unrelated. This study also confirmed that FDG and NaF uptakes are spatially dislocated. Although treatment responses assessed with NaF and FDG may be correlated, using both tracers provides additional information.
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Affiliation(s)
- Urban Simoncic
- Jozef Stefan Institute, Ljubljana, Slovenia; Department of Medical Physics, University of Wisconsin-Madison, Madison, WI; Centre of Excellence for Biosensors, Instrumentation and Process Control (COBIK), Ajdovscina, Slovenia.
| | - Scott Perlman
- Department of Radiology, University of Wisconsin-Madison, Madison, WI; University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI
| | - Glenn Liu
- Genitourinary Oncology Research Program, University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI; University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI
| | - Mary Jane Staab
- University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI
| | - Jane Elizabeth Straus
- University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI
| | - Robert Jeraj
- Jozef Stefan Institute, Ljubljana, Slovenia; Department of Medical Physics, University of Wisconsin-Madison, Madison, WI; Department of Radiology, University of Wisconsin-Madison, Madison, WI; Centre of Excellence for Biosensors, Instrumentation and Process Control (COBIK), Ajdovscina, Slovenia; University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI
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Liu NB, Zhu L, Li MH, Sun XR, Hu M, Huo ZW, Xu WG, Yu JM. Diagnostic value of 18F-FDG PET/CT in comparison to bone scintigraphy, CT and 18F-FDG PET for the detection of bone metastasis. Asian Pac J Cancer Prev 2014; 14:3647-52. [PMID: 23886160 DOI: 10.7314/apjcp.2013.14.6.3647] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
PURPOSE To evaluate the diagnostic value of 18F-FDG PET/CT for detection of bone metastasis in comparison with the efficacies of 18F-FDG PET/CT, CT, 18F-FDG PET and conventional planar bone scintigraphy in a series of cancer patients. METHODS Five hundred and thirty patients who underwent both 18F-FDG PET/CT and bone scintigraphy within 1 month were retrospectively analyzed. The skeletal system was classified into 10 anatomic segments and interpreted blindly and separately. For each modality, the sensitivity, specificity, accuracy, PPV and NPV were calculated and the results were statistically analyzed. RESULTS Bone metastases were confirmed in 117 patients with 459 positive segments. On patient-based analysis, the sensitivity, specificity, accuracy, PPV and NPV of 18F-FDG PET/CT were significantly higher than bone scintigraphy, CT and 18F-FDG PET (P<0.05). On segment-based analysis, the sensitivity of CT, bone scintigraphy, 18F-FDG PET and 18F-FDG PET/CT were 70.4%, 89.5%, 89.1% and 97.8%, respectively (P<0.05, compared with 18F-FDG PET/CT). The overall specificity and accuracy of the four modalities were 89.1%, 91.8%, 90.3%, 98.2% and 90.3%, 90.9%, 89.8%, 98.0%, respectively (P<0.05, compared with 18F-FDG PET/CT). The PPV and NPV were 89.8%, 87.6%, 85.6%, 97.2% and 85.6%, 93.2%, 92.8%, 98.6%, respectively. Three hundred and twelve lesions or segments were presented as lytic or sclerotic changes on CT images at the corresponding sites of increased 18F-FDG uptake. In lytic or mixed lesions, the sensitivity of 18F-FDG PET/CT and 18F-FDG PET were better than bone scintigraphy, while in osteoblastic lesions bone scintigraphy had a similar performance with 18F-FDG PET/CT but better than 18F-FDG PET alone. CONCLUSION Our data allow the conclusion that 18F-FDG PET/CT is superior to planar bone scintigraphy, CT or 18F-FDG PET in detecting bone metastasis. 18F-FDG PET/CT may enhance our diagnosis of tumor bone metastasis and provide more information for cancer treatment.
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Affiliation(s)
- Ning-Bo Liu
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
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Combined 18F-fluoride and 18F-FDG PET/CT: a response based on actual data from prospective studies. Eur J Nucl Med Mol Imaging 2013; 40:1922-4. [DOI: 10.1007/s00259-013-2556-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2013] [Accepted: 08/21/2013] [Indexed: 01/18/2023]
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Critical considerations on the combined use of 18F-FDG and 18F-fluoride for PET assessment of metastatic bone disease. Eur J Nucl Med Mol Imaging 2013; 40:1141-5. [DOI: 10.1007/s00259-013-2459-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Accepted: 05/06/2013] [Indexed: 01/18/2023]
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Cook GJ. Combined 18F-Fluoride and 18F-FDG PET/CT Scanning for Evaluation of Malignancy: Results of an International Multicenter Trial. J Nucl Med 2013; 54:173-5. [DOI: 10.2967/jnumed.112.116236] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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