{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T15:31:11Z","timestamp":1790695871841,"version":"4.1.0"},"reference-count":34,"publisher":"IOP Publishing","issue":"10","license":[{"start":{"date-parts":[[2018,5,10]],"date-time":"2018-05-10T00:00:00Z","timestamp":1525910400000},"content-version":"vor","delay-in-days":9,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2018,5,10]],"date-time":"2018-05-10T00:00:00Z","timestamp":1525910400000},"content-version":"tdm","delay-in-days":9,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"funder":[{"name":"Lidex-PIM","award":["ANR-11-IDEX-0003-02"],"award-info":[{"award-number":["ANR-11-IDEX-0003-02"]}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Phys. Med. Biol."],"published-print":{"date-parts":[[2018,5,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Few methodological studies regarding widely used textural indices robustness in MRI have been reported. In this context, this study aims to propose some rules to compute reliable textural indices from multimodal 3D brain MRI. Diagnosis and post-biopsy MR scans including T1, post-contrast T1, T2 and FLAIR images from thirty children with diffuse intrinsic pontine glioma (DIPG) were considered. The hybrid white stripe method was adapted to standardize MR intensities. Sixty textural indices were then computed for each modality in different regions of interest (ROI), including tumor and white matter (WM). Three types of intensity binning were compared\n                    <jats:inline-formula\/>\n                    : constant bin width and relative bounds;\n                    <jats:inline-formula\/>\n                    constant number of bins and relative bounds;\n                    <jats:inline-formula\/>\n                    constant number of bins and absolute bounds. The impact of the volume of the region was also tested within the WM. First, the mean Hellinger distance between patient-based intensity distributions decreased by a factor greater than 10 in WM and greater than 2.5 in gray matter after standardization. Regarding the binning strategy, the ranking of patients was highly correlated for 188\/240 features when comparing\n                    <jats:inline-formula\/>\n                    with\n                    <jats:inline-formula\/>\n                    , but for only 20 when comparing\n                    <jats:inline-formula\/>\n                    with\n                    <jats:inline-formula\/>\n                    , and nine when comparing\n                    <jats:inline-formula\/>\n                    with\n                    <jats:inline-formula\/>\n                    . Furthermore, when using\n                    <jats:inline-formula\/>\n                    or\n                    <jats:inline-formula\/>\n                    texture indices reflected tumor heterogeneity as assessed visually by experts. Last, 41 features presented statistically significant differences between contralateral WM regions when ROI size slightly varies across patients, and none when using ROI of the same size. For regions with similar size, 224 features were significantly different between WM and tumor. Valuable information from texture indices can be biased by methodological choices. Recommendations are to standardize intensities in MR brain volumes, to use intensity binning with constant bin width, and to define regions with the same volumes to get reliable textural indices.\n                  <\/jats:p>","DOI":"10.1088\/1361-6560\/aabd21","type":"journal-article","created":{"date-parts":[[2018,4,10]],"date-time":"2018-04-10T11:16:04Z","timestamp":1523358964000},"page":"105003","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":42,"title":["Computation of reliable textural indices from multimodal brain MRI: suggestions based on a study of patients with diffuse intrinsic pontine glioma"],"prefix":"10.1088","volume":"63","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2031-5774","authenticated-orcid":false,"given":"Jessica","family":"Goya-Outi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fanny","family":"Orlhac","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raphael","family":"Calmon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Agusti","family":"Alentorn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christophe","family":"Nioche","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cathy","family":"Philippe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"St\u00e9phanie","family":"Puget","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nathalie","family":"Boddaert","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ir\u00e8ne","family":"Buvat","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacques","family":"Grill","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent","family":"Frouin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7288-1543","authenticated-orcid":false,"given":"Frederique","family":"Frouin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2018,5,10]]},"reference":[{"key":"pmbaabd21bib001","doi-asserted-by":"publisher","first-page":"1636","DOI":"10.1001\/jamaoncol.2016.2631","type":"journal-article","article-title":"The potential of radiomic-based phenotyping in precision medicine","volume":"2","author":"Aerts","year":"2016","journal-title":"JAMA Oncol."},{"key":"pmbaabd21bib002","doi-asserted-by":"publisher","first-page":"839","DOI":"10.1016\/j.neuroimage.2005.02.018","type":"journal-article","article-title":"Unified segmentation","volume":"26","author":"Ashburner","year":"2005","journal-title":"Neuroimage"},{"key":"pmbaabd21bib003","doi-asserted-by":"publisher","first-page":"26","DOI":"10.1016\/j.media.2007.06.004","type":"journal-article","article-title":"Symmetric diffeomorphic image registration: evaluating automated labeling of elderly and neurodegenerative cortex","volume":"12","author":"Avants","year":"2007","journal-title":"Med. 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All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2017-11-15","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2018-04-10","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2018-05-10","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}