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Statistical evaluation of manual segmentation of a diffuse low-grade glioma MRI dataset
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Edité par CCSD -
International audience. Software-based manual segmentation is critical to the supervision of diffuse low-grade glioma patients and to the optimal treatment’s choice. However, manual segmentationbeing time-consuming, it is difficult to include it in the clinicalroutine. An alternative to circumvent the time cost of manualsegmentation could be to share the task among different practitioners, providing it can be reproduced. The goal of our work is to assess diffuse low-grade gliomas’ manual segmentation’s reproducibility on MRI scans, with regard to practitioners, their experience and field of expertise. A panel of 13 experts manually segmented 12 diffuse low-grade glioma clinical MRI datasets using the OSIRIX software. A statistical analysis gave promising results, as the practitioner factor, the medical specialty and the years of experience seem to have no significant impact on the average values of the tumor volume variable.
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