Abstract
Objective
To evaluate the study quality and clinical value of radiomics studies on chondrosarcoma.
Methods
PubMed, Embase, Web of Science, China National Knowledge Infrastructure, and Wanfang Data were searched for articles on radiomics for evaluating chondrosarcoma as of January 31, 2022. The study quality was assessed according to Radiomics Quality Score (RQS), Transparent Reporting of a multivariable prediction model for Individual Prognosis Or Diagnosis (TRIPOD) checklist, Image Biomarker Standardization Initiative (IBSI) guideline, and modified Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2) tool. The level of evidence supporting clinical use of radiomics on chondrosarcoma differential diagnosis was determined based on meta-analyses.
Results
Twelve articles were included. The median RQS was 10.5 (range, −3 to 15), with an adherence rate of 36%. The adherence rate was extremely low in domains of high-level evidence (0%), open science and data (17%), and imaging and segmentation (35%). The adherence rate of the TRIPOD checklist was 61%, and low for section of title and abstract (13%), introduction (42%), and results (56%). The reporting rate of pre-processing steps according to the IBSI guideline was 60%. The risk of bias and concern of application were mainly related to the index test. The meta-analysis on differential diagnosis of enchondromas vs. chondrosarcomas showed a diagnostic odds ratio of 43.90 (95% confidential interval, 25.33–76.10), which was rated as weak evidence.
Conclusions
The current scientific and reporting quality of radiomics studies on chondrosarcoma was insufficient. Radiomics has potential in facilitating the optimization of operation decision-making in chondrosarcoma.
Key Points
• Among radiomics studies on chondrosarcoma, although differential diagnostic models showed promising performance, only pieces of weak level of evidence were reached with insufficient study quality.
• Since the RQS rating, the TRIPOD checklist, and the IBSI guideline have largely overlapped with each other, it is necessary to establish one widely acceptable methodological and reporting guideline for radiomics research.
• The TRIPOD model typing, the phase classification of image mining studies, and the level of evidence category are useful tools to assess the gap between academic research and clinical application, although their modifications for radiomics studies are needed.
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Abbreviations
- CI:
-
Confidence interval
- DOR:
-
Diagnostic odds ratio
- HSROC:
-
Hierarchical summary receiver operating characteristic
- IBSI:
-
Image Biomarker Standardization Initiative
- QUADAS-2:
-
modified Quality Assessment of Diagnostic Accuracy Studies
- RQS:
-
Radiomics Quality Score
- TRIPOD:
-
Transparent Reporting of a multivariable prediction model for Individual Prognosis Or Diagnosis
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Acknowledgements
The authors would like to express their gratitude to Dr. Shiqi Mao from the Department of Medical Oncology, Shanghai Pulmonary Hospital, Thoracic Cancer Institute, Tongji University School of Medicine, for his suggestions on data visualization.
Funding
This study has received funding from the National Natural Science Foundation of China (81771790), Yangfan Project of Science and Technology Commission of Shanghai Municipality (22YF1442400), Medicine and Engineering Combination Project of Shanghai Jiao Tong University (YG2019ZDB09), and Research Fund of Tongren Hospital, Shanghai Jiao Tong University School of Medicine (TRKYRC-XX202204, 2020TRYJ(LB)06, 2020TRYJ(JC)07, TRGG202101, TRYJ2021JC06).
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The scientific guarantor of this publication is Prof. Weiwu Yao.
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Zhong, J., Hu, Y., Ge, X. et al. A systematic review of radiomics in chondrosarcoma: assessment of study quality and clinical value needs handy tools. Eur Radiol 33, 1433–1444 (2023). https://doi.org/10.1007/s00330-022-09060-3
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DOI: https://doi.org/10.1007/s00330-022-09060-3