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Diffusion Kurtosis Imaging as a Prognostic Marker in Osteosarcoma Patients with Preoperative Chemotherapy
Joint Authors
Liu, Chenglei
Xing, Yue
Wei, Dongmin
Jiao, Qiong
Yang, Qingcheng
Lei, Dapeng
Tao, Xiaofeng
Yao, Weiwu
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-09-26
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
Background.
The accurate prediction of prognosis is key to prompt therapy adjustment.
The purpose of our study was to investigate the efficacy of diffusion kurtosis imaging (DKI) in predicting progression-free survival (PFS) and overall survival (OS) in osteosarcoma patients with preoperative chemotherapy.
Methods.
Thirty patients who underwent DKI before and after chemotherapy, followed by tumor resection, were retrospectively enrolled.
The patients were grouped into good responders (GRs) and poor responders (PRs).
The Kaplan-Meier and log-rank test were used for survival analysis.
The association between the DKI parameters and OS and PFS was performed by univariate and multivariate Cox proportional hazards models.
Results.
Significantly worse OS and PFS were associated with a lower mean diffusivity (MD) after chemotherapy (HR, 5.8; 95% CI, 1.5-23.1; P=0.012 and HR, 3.5; 95% CI, 1.2-10.1: P=0.028, respectively) and a higher mean kurtosis (MK) after chemotherapy (HR, 0.3; 95% CI, 0.1-0.9; P=0.041 and HR, 0.3; 95% CI, 0.1-0.8; P=0.049, respectively).
Likewise, shorter OS and PFS were also significantly associated with a change rate in MD (CR MD) of less than 13.53% (HR, 8.6; 95% CI, 1.8-41.8; P=0.007 and HR, 2.9; 95% CI, 1.0-8.2; P=0.045, respectively).
Compared to GRs, PRs had an approximately 9- and 4-fold increased risk of death (HR, 9.4; 95% CI, 1.2-75; P=0.034) and progression (HR, 4.2; 95% CI, 1.2-15; P=0.026), respectively.
Conclusions.
DKI has a potential to be a prognostic tool in osteosarcoma.
Low MK and high MD after chemotherapy or high CR MD indicates favorite outcome, while prospective studies with large sample sizes are warranted.
American Psychological Association (APA)
Liu, Chenglei& Xing, Yue& Wei, Dongmin& Jiao, Qiong& Yang, Qingcheng& Lei, Dapeng…[et al.]. 2020. Diffusion Kurtosis Imaging as a Prognostic Marker in Osteosarcoma Patients with Preoperative Chemotherapy. BioMed Research International،Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1133107
Modern Language Association (MLA)
Liu, Chenglei…[et al.]. Diffusion Kurtosis Imaging as a Prognostic Marker in Osteosarcoma Patients with Preoperative Chemotherapy. BioMed Research International No. 2020 (2020), pp.1-11.
https://search.emarefa.net/detail/BIM-1133107
American Medical Association (AMA)
Liu, Chenglei& Xing, Yue& Wei, Dongmin& Jiao, Qiong& Yang, Qingcheng& Lei, Dapeng…[et al.]. Diffusion Kurtosis Imaging as a Prognostic Marker in Osteosarcoma Patients with Preoperative Chemotherapy. BioMed Research International. 2020. Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1133107
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1133107