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Automatic brain lesion segmentation on standard magnetic resonance images: a scoping review.


ABSTRACT:

Objectives

Medical image analysis practices face challenges that can potentially be addressed with algorithm-based segmentation tools. In this study, we map the field of automatic MR brain lesion segmentation to understand the clinical applicability of prevalent methods and study designs, as well as challenges and limitations in the field.

Design

Scoping review.

Setting

Three databases (PubMed, IEEE Xplore and Scopus) were searched with tailored queries. Studies were included based on predefined criteria. Emerging themes during consecutive title, abstract, methods and whole-text screening were identified. The full-text analysis focused on materials, preprocessing, performance evaluation and comparison.

Results

Out of 2990 unique articles identified through the search, 441 articles met the eligibility criteria, with an estimated growth rate of 10% per year. We present a general overview and trends in the field with regard to publication sources, segmentation principles used and types of lesions. Algorithms are predominantly evaluated by measuring the agreement of segmentation results with a trusted reference. Few articles describe measures of clinical validity.

Conclusions

The observed reporting practices leave room for improvement with a view to studying replication, method comparison and clinical applicability. To promote this improvement, we propose a list of recommendations for future studies in the field.

SUBMITTER: Gryska E 

PROVIDER: S-EPMC7849889 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Publications

Automatic brain lesion segmentation on standard magnetic resonance images: a scoping review.

Gryska Emilia E   Schneiderman Justin J   Björkman-Burtscher Isabella I   Heckemann Rolf A RA  

BMJ open 20210129 1


<h4>Objectives</h4>Medical image analysis practices face challenges that can potentially be addressed with algorithm-based segmentation tools. In this study, we map the field of automatic MR brain lesion segmentation to understand the clinical applicability of prevalent methods and study designs, as well as challenges and limitations in the field.<h4>Design</h4>Scoping review.<h4>Setting</h4>Three databases (PubMed, IEEE Xplore and Scopus) were searched with tailored queries. Studies were includ  ...[more]

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