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Volume-based quantitative FDG PET/CT metrics and their association with optimal debulking and progression-free survival in patients with recurrent ovarian cancer undergoing secondary cytoreductive surgery.

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Title: Volume-based quantitative FDG PET/CT metrics and their association with optimal debulking and progression-free survival in patients with recurrent ovarian cancer undergoing secondary cytoreductive surgery.
Authors: Vargas, H.1 vargasah@mskcc.org, Burger, I.1, Goldman, D.2, Miccò, M.1, Sosa, R.1, Weber, W.1, Chi, D.3, Hricak, H.1, Sala, E.1, Vargas, H A4, Burger, I A4, Goldman, D A5, Sosa, R E4, Chi, D S6
Source: European Radiology. Nov2015, Vol. 25 Issue 11, p3348-3353. 6p. 1 Diagram, 3 Charts, 1 Graph.
Subjects: Ovarian cancer diagnosis, Ovarian cancer treatment, Positron emission tomography, Fluorodeoxyglucose F18, Progression-free survival, Cytoreductive surgery, Anthropometry, Cancer relapse, Comparative studies, Computed tomography, Deoxy sugars, Diagnostic imaging, Epithelial cell tumors, Glycolysis, Research methodology, Medical cooperation, Ovarian tumors, Prognosis, Radiopharmaceuticals, Research, Evaluation research, Retrospective studies
Abstract: Objective: Our aim was to evaluate the associations between quantitative (18)F-fluorodeoxyglucose positron-emission tomography (FDG-PET) uptake metrics, optimal debulking (OD) and progression-free survival (PFS) in patients with recurrent ovarian cancer undergoing secondary cytoreductive surgery.Methods: Fifty-five patients with recurrent ovarian cancer underwent FDG-PET/CT within 90 days prior to surgery. Standardized uptake values (SUVmax), metabolically active tumour volumes (MTV), and total lesion glycolysis (TLG) were measured on PET. Exact logistic regression, Kaplan-Meier curves and the log-rank test were used to assess associations between imaging metrics, OD and PFS.Results: MTV (p = 0.0025) and TLG (p = 0.0043) were associated with OD; however, there was no significant association between SUVmax and debulking status (p = 0.83). Patients with an MTV above 7.52 mL and/or a TLG above 35.94 g had significantly shorter PFS (p = 0.0191 for MTV and p = 0.0069 for TLG). SUVmax was not significantly related to PFS (p = 0.10). PFS estimates at 3.5 years after surgery were 0.42 for patients with an MTV ≤ 7.52 mL and 0.19 for patients with an MTV > 7.52 mL; 0.46 for patients with a TLG ≤ 35.94 g and 0.15 for patients with a TLG > 35.94 g.Conclusion: FDG-PET metrics that reflect metabolic tumour burden are associated with optimal secondary cytoreductive surgery and progression-free survival in patients with recurrent ovarian cancer.Key Points: • Both TLG and MTV were associated with optimal tumour debulking. • There was no significant association between SUVmax and tumour debulking status. • Patients with higher MTV and/or TLG had significantly shorter PFS. • SUVmax was not significantly related to PFS. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Volume-based quantitative FDG PET/CT metrics and their association with optimal debulking and progression-free survival in patients with recurrent ovarian cancer undergoing secondary cytoreductive surgery.
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  Data: <searchLink fieldCode="AR" term="%22Vargas%2C+H%2E%22">Vargas, H.</searchLink><relatesTo>1</relatesTo><i> vargasah@mskcc.org</i><br /><searchLink fieldCode="AR" term="%22Burger%2C+I%2E%22">Burger, I.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Goldman%2C+D%2E%22">Goldman, D.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Miccò%2C+M%2E%22">Miccò, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sosa%2C+R%2E%22">Sosa, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Weber%2C+W%2E%22">Weber, W.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chi%2C+D%2E%22">Chi, D.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Hricak%2C+H%2E%22">Hricak, H.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sala%2C+E%2E%22">Sala, E.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Vargas%2C+H+A%22">Vargas, H A</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Burger%2C+I+A%22">Burger, I A</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Goldman%2C+D+A%22">Goldman, D A</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Sosa%2C+R+E%22">Sosa, R E</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Chi%2C+D+S%22">Chi, D S</searchLink><relatesTo>6</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Nov2015, Vol. 25 Issue 11, p3348-3353. 6p. 1 Diagram, 3 Charts, 1 Graph.
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  Data: <bold>Objective: </bold>Our aim was to evaluate the associations between quantitative (18)F-fluorodeoxyglucose positron-emission tomography (FDG-PET) uptake metrics, optimal debulking (OD) and progression-free survival (PFS) in patients with recurrent ovarian cancer undergoing secondary cytoreductive surgery.<bold>Methods: </bold>Fifty-five patients with recurrent ovarian cancer underwent FDG-PET/CT within 90 days prior to surgery. Standardized uptake values (SUVmax), metabolically active tumour volumes (MTV), and total lesion glycolysis (TLG) were measured on PET. Exact logistic regression, Kaplan-Meier curves and the log-rank test were used to assess associations between imaging metrics, OD and PFS.<bold>Results: </bold>MTV (p = 0.0025) and TLG (p = 0.0043) were associated with OD; however, there was no significant association between SUVmax and debulking status (p = 0.83). Patients with an MTV above 7.52 mL and/or a TLG above 35.94 g had significantly shorter PFS (p = 0.0191 for MTV and p = 0.0069 for TLG). SUVmax was not significantly related to PFS (p = 0.10). PFS estimates at 3.5 years after surgery were 0.42 for patients with an MTV ≤ 7.52 mL and 0.19 for patients with an MTV > 7.52 mL; 0.46 for patients with a TLG ≤ 35.94 g and 0.15 for patients with a TLG > 35.94 g.<bold>Conclusion: </bold>FDG-PET metrics that reflect metabolic tumour burden are associated with optimal secondary cytoreductive surgery and progression-free survival in patients with recurrent ovarian cancer.<bold>Key Points: </bold>• Both TLG and MTV were associated with optimal tumour debulking. • There was no significant association between SUVmax and tumour debulking status. • Patients with higher MTV and/or TLG had significantly shorter PFS. • SUVmax was not significantly related to PFS. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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