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|a urn:nbn:de:hbz:6-88978666081
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|a 10.17879/08988495906
|2 doi
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|a eng
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|a 610 Medizin und Gesundheit
|2 23
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|a Musigmann, Manfred
|0 http://d-nb.info/gnd/122578228
|0 http://viaf.org/viaf/898963
|4 aut
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|a Universitäts- und Landesbibliothek Münster
|0 http://d-nb.info/gnd/5091030-9
|4 own
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|a Assessing preoperative risk of STR in skull meningiomas using MR radiomics and machine learning
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|a [Electronic ed.]
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|c 2022-08-18
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|b Universitäts- und Landesbibliothek Münster
|c 2023-10-19
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|a 1-11
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|a free access
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|a Scientific Reports 12 (2022), 14043, 1-11
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|a Our aim is to predict possible gross total and subtotal resections of skull meningiomas from pre-treatment T1 post contrast MR-images using radiomics and machine learning in a representative patient cohort. We analyse the accuracy of our model predictions depending on the tumor location within the skull and the postoperative tumor volume. In this retrospective, IRB-approved study, image segmentation of the contrast enhancing parts of the tumor was semi-automatically performed using the 3D Slicer open-source software platform. Imaging data were split into training data and independent test data at random. We extracted a total of 107 radiomic features by hand-delineated regions of interest on T1 post contrast MR images. Feature preselection and model construction were performed with eight different machine learning algorithms. Each model was estimated 100 times on new training data and then tested on a previously unknown, independent test data set to avoid possible overfitting. Our cohort included 138 patients. A gross total resection of the meningioma was performed in 107 cases and a subtotal resection in the remaining 31 cases. Using the training data, the mean area under the curve (AUC), mean accuracy, mean kappa, mean sensitivity and mean specificity were 0.901, 0.875, 0.629, 0.675 and 0.933 respectively. We obtained very similar results with the independent test data: mean AUC = 0.900, mean accuracy = 0.881, mean kappa = 0.644, mean sensitivity = 0.692 and mean specificity = 0.936. Thus, our model exposes good and stable predictive performance with both training and test data. Our radiomics approach shows that with machine learning algorithms and comparatively few explanatory factors such as the location of the tumor within the skull as well as its shape, it is possible to make accurate predictions about whether a meningioma can be completely resected by surgery. Complete resections and resections with larger postoperative tumor volumes can be predicted with very high accuracy. However, cases with very small postoperative tumor volumes are comparatively difficult to predict correctly.
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|a specialized
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|a Finanziert über die DEAL-Vereinbarung mit Wiley 2019-2022.
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|a CC BY 4.0
|u http://creativecommons.org/licenses/by/4.0/
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|a Cancer
|a Surgical oncology
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|a Akkurt, Burak Han
|0 http://d-nb.info/gnd/1288621116
|4 aut
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|a Krähling, Hermann
|0 http://d-nb.info/gnd/14029225X
|0 http://viaf.org/viaf/103824359
|4 aut
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|a Brokinkel, Benjamin Legolas
|u FB 05: Medizinische Fakultät
|0 http://d-nb.info/gnd/143232770
|4 aut
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| 700 |
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|a Henssen, Dylan J. H. A.
|4 aut
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|a Sartoretti, Thomas
|4 aut
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|a Nacul, Nabila Gala
|4 aut
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|a Stummer, Walter
|0 http://d-nb.info/gnd/120087839
|0 http://viaf.org/viaf/67288357
|4 aut
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| 700 |
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|a Heindel, Walter
|u FB 05: Medizinische Fakultät
|0 http://d-nb.info/gnd/115393862
|0 http://viaf.org/viaf/65954794
|4 aut
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| 700 |
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|a Mannil, Manoj
|0 http://d-nb.info/gnd/1225486440
|0 http://viaf.org/viaf/322161152488635190000
|0 http://id.loc.gov/rwo/agents/n2021180559
|4 aut
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