Segmentation methods applied to MRI-derived radiomic analysis for the prediction of placenta accreta spectrum in patients with placenta previa.

Machine learning Magnetic Resonance Imaging Placenta Accreta Spectrum Placenta previa Radiomics Segmentation

Journal

Abdominal radiology (New York)
ISSN: 2366-0058
Titre abrégé: Abdom Radiol (NY)
Pays: United States
ID NLM: 101674571

Informations de publication

Date de publication:
10 2023
Historique:
received: 15 01 2023
accepted: 16 05 2023
revised: 15 05 2023
medline: 7 9 2023
pubmed: 13 7 2023
entrez: 13 7 2023
Statut: ppublish

Résumé

To retrospectively evaluate the performance of different manual segmentation methods of placenta MR images for predicting Placenta Accreta Spectrum (PAS) disorders in patients with placenta previa (PP) using a Machine Learning (ML) Radiomics analysis. 64 patients (n=41 with PAS and n= 23 without PAS) with PP who underwent MRI examination for suspicion of PAS were retrospectively selected. All MRI examinations were acquired on a 1.5 T using T2-weighted (T2w) sequences on axial, sagittal and coronal planes. Ten different manual segmentation methods were performed on sagittal placental T2-weighted images obtaining five sets of 2D regions of interest (ROIs) and five sets of 3D volumes of interest (VOIs) from each patient. In detail, ROIs and VOIs were positioned on the following areas: placental tissue, retroplacental myometrium, cervix, placenta with underneath myometrium, placenta with underneath myometrium and cervix. For feature stability testing, the same process was repeated on 30 randomly selected placental MRI examinations by two additional radiologists, working independently and blinded to the original segmentation. Radiomic features were extracted from all available ROIs and VOIs. 100 iterations of 5-fold cross-validation with nested feature selection, based on recursive feature elimination, were subsequently run on each ROI/VOI to identify the best-performing method to classify instances correctly. Among the segmentation methods, the best performance in predicting PAS was obtained by the VOIs covering the retroplacental myometrium (Mean validation score: 0.761, standard deviation: 0.116). Our preliminary results show that the VOI including the retroplacental myometrium using T2w images seems to be the best method when segmenting images for the development of ML radiomics predictive models to identify PAS in patients with PP.

Identifiants

pubmed: 37439841
doi: 10.1007/s00261-023-03963-5
pii: 10.1007/s00261-023-03963-5
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

3207-3215

Commentaires et corrections

Type : CommentIn

Informations de copyright

© 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

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Auteurs

Francesco Verde (F)

Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80123, Naples, Italy. francesco.verde2@unina.it.

Arnaldo Stanzione (A)

Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80123, Naples, Italy.

Renato Cuocolo (R)

Department of Medicine, Surgery, and Dentistry, University of Salerno, Baronissi, Italy.

Valeria Romeo (V)

Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80123, Naples, Italy.

Martina Di Stasi (M)

Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80123, Naples, Italy.

Lorenzo Ugga (L)

Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80123, Naples, Italy.

Pier Paolo Mainenti (PP)

Institute of Biostructures and Bioimaging of the National Council of Research (CNR), Naples, Italy.

Maria D'Armiento (M)

Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80123, Naples, Italy.

Laura Sarno (L)

Department of Neuroscience, Reproductive and Dentistry Sciences, University of Naples "Federico II", Naples, Italy.

Maurizio Guida (M)

Department of Neuroscience, Reproductive and Dentistry Sciences, University of Naples "Federico II", Naples, Italy.

Arturo Brunetti (A)

Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80123, Naples, Italy.

Simone Maurea (S)

Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80123, Naples, Italy.

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