How can we combat multicenter variability in MR radiomics? Validation of a correction procedure

F Orlhac, A Lecler, J Savatovski, J Goya-Outi… - European …, 2021 - Springer
Objective Test a practical realignment approach to compensate the technical variability of
MR radiomic features. Methods T1 phantom images acquired on 2 scanners, FLAIR and …

Repeatability of radiomic features in magnetic resonance imaging of glioblastoma: test–retest and image registration analyses

I Shiri, G Hajianfar, A Sohrabi, H Abdollahi… - Medical …, 2020 - Wiley Online Library
Purpose To assess the repeatability of radiomic features in magnetic resonance (MR)
imaging of glioblastoma (GBM) tumors with respect to test–retest, different image registration …

[HTML][HTML] Impact of preprocessing and harmonization methods on the removal of scanner effects in brain MRI radiomic features

Y Li, S Ammari, C Balleyguier, N Lassau… - Cancers, 2021 - mdpi.com
Simple Summary As a rapid-development research field, radiomics-based analysis has
been applied to many clinical problems. However, the reproducibility of the radiomics …

Radiomics repeatability pitfalls in a scan-rescan MRI study of glioblastoma

KV Hoebel, JB Patel, AL Beers, K Chang… - Radiology: Artificial …, 2020 - pubs.rsna.org
Purpose To determine the influence of preprocessing on the repeatability and redundancy of
radiomics features extracted using a popular open-source radiomics software package in a …

[HTML][HTML] Harmonization strategies in multicenter MRI-based radiomics

E Stamoulou, C Spanakis, GC Manikis, G Karanasiou… - Journal of …, 2022 - mdpi.com
Radiomics analysis is a powerful tool aiming to provide diagnostic and prognostic patient
information directly from images that are decoded into handcrafted features, comprising …

[HTML][HTML] Performance comparison of modified ComBat for harmonization of radiomic features for multicenter studies

R Da-Ano, I Masson, F Lucia, M Doré, P Robin… - Scientific reports, 2020 - nature.com
Multicenter studies are needed to demonstrate the clinical potential value of radiomics as a
prognostic tool. However, variability in scanner models, acquisition protocols and …

Precision of MRI radiomics features in the liver and hepatocellular carcinoma

G Carbonell, P Kennedy, O Bane, A Kirmani… - European …, 2022 - Springer
Objectives To assess the precision of MRI radiomics features in hepatocellular carcinoma
(HCC) tumors and liver parenchyma. Methods The study population consisted of 55 patients …

Robustness and reproducibility of radiomics in magnetic resonance imaging: a phantom study

B Baeßler, K Weiss, DP Dos Santos - Investigative radiology, 2019 - journals.lww.com
Objectives The aim of this study was to investigate the robustness and reproducibility of
radiomic features in different magnetic resonance imaging sequences. Materials and …

T2w‐MRI signal normalization affects radiomics features reproducibility

E Scalco, A Belfatto, A Mastropietro, T Rancati… - Medical …, 2020 - Wiley Online Library
Purpose Despite its increasing application, radiomics has not yet demonstrated a solid
reliability, due to the difficulty in replicating analyses. The extraction of radiomic features …

Multicenter evaluation of MRI‐based radiomic features: A phantom study

R Rai, LC Holloway, C Brink, M Field… - Medical …, 2020 - Wiley Online Library
Introduction This work describes the development of a novel radiomics phantom designed
for magnetic resonance imaging (MRI) that can be used in a multicenter setting. The …