{"id":606,"date":"2017-12-31T19:30:36","date_gmt":"2017-12-31T19:30:36","guid":{"rendered":"https:\/\/blogs.bmj.com\/jnnp\/?p=606"},"modified":"2018-01-01T04:32:34","modified_gmt":"2018-01-01T04:32:34","slug":"on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jnnp\/2017\/12\/31\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\/","title":{"rendered":"On track for better outcomes: in vivo analysis of white matter pathways to enhance neuro-oncological practice"},"content":{"rendered":"<p>Starting from the early 19<sup>th<\/sup> Century, white matter fibre pathways have been increasingly recognised as integral to brain function. Since this time, the development of non-invasive advanced MRI techniques such as diffusion tractography (DT) has allowed the intricate architecture of these networks to be further unravelled and the complexity that these pathways contribute to human behaviour and function increasingly exposed. In areas such as neuro-oncology, preservation of these white matter fibre bundles (WM) is now gathering evidence as an essential component to final patient outcomes, particularly relevant given the damage to such structures through either direct tumour infiltration or from treatment interventions. In their recent review article published in the JNNP December issue, Voets and colleagues explore the anatomy and functional role of WM tracts in this neurosurgical arena, detailing the use of advanced DT imaging to understand the relevance and consequences of destruction to these pathways, and highlight evolving opportunities to improve outcomes for these patients using such techniques.<\/p>\n<figure style=\"width: 266px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"attachment-266x266\" src=\"https:\/\/blogs.bmj.com\/jnnp\/files\/2017\/12\/DTI-sagittal-fibers.jpg\" alt=\"\" width=\"266\" height=\"248\" \/><figcaption class=\"wp-caption-text\"><em><strong>Figure 1: Tractographic reconstruction of neural white matter connections by diffusion tensor imaging (DT)<\/strong><\/em><\/figcaption><\/figure>\n<p>Why are WM pathways so important to understand and preserve? As discussed in this review, WM pathways are frequently affected in neuro-oncology, and depending on tumour location commonly can include the corticospinal tract (CST, affecting motor function), the superior longitudinal fasciulus (affecting speech), fronto-occipital fasciculus (affecting semantic knowledge), and optic radiations (affecting vision). Damage to such pathways affect behaviour, quality of life and patient survival. Although the \u2018perfect\u2019 technique to measure these paths does not exist and the clinical impact of analysing these WM tracts has only had rare exploration, this article spotlights the utility of DT in this setting, which currently offers the only tool to link structural with functional WM processes. Significantly, the authors supplement evidence for use of this technique in various cases, including an example of one large group of neurosurgically treated patients in which there were significantly fewer motor deficits (and increased life-expectancy) using DT CST tractography adjunctively with neuronavigation, compared with neuronavigation alone.<\/p>\n<p>The recent advancements and personalised therapeutic strategies in neuro-oncology has led to prolongation of life expectancy, which now demands paralleled improvement in quality of life. The use of such non-invasive imaging techniques to evolve current neuroanatomical practice dynamically and in-vivo gives this promise, and the potential combination of advanced DT imaging with electrophysiological functional assessments heralds the possibility to significantly better patient outcomes.<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Starting from the early 19th Century, white matter fibre pathways have been increasingly recognised as integral to brain function. Since this time, the development of non-invasive advanced MRI techniques such as diffusion tractography (DT) has allowed the intricate architecture of these networks to be further unravelled and the complexity that these pathways contribute to human [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jnnp\/2017\/12\/31\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":304,"featured_media":604,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>On track for better outcomes: in vivo analysis of white matter pathways to enhance neuro-oncological practice - JNNP blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/jnnp\/2017\/12\/31\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"On track for better outcomes: in vivo analysis of white matter pathways to enhance neuro-oncological practice - JNNP blog\" \/>\n<meta property=\"og:description\" content=\"Starting from the early 19th Century, white matter fibre pathways have been increasingly recognised as integral to brain function. Since this time, the development of non-invasive advanced MRI techniques such as diffusion tractography (DT) has allowed the intricate architecture of these networks to be further unravelled and the complexity that these pathways contribute to human [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jnnp\/2017\/12\/31\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\/\" \/>\n<meta property=\"og:site_name\" content=\"JNNP blog\" \/>\n<meta property=\"article:published_time\" content=\"2017-12-31T19:30:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-01-01T04:32:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.bmj.com\/jnnp\/files\/2017\/12\/DTI-sagittal-fibers.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1021\" \/>\n\t<meta property=\"og:image:height\" content=\"952\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Dr Thanuja Dharmadasa; JNNP web editor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr Thanuja Dharmadasa; JNNP web editor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/2017\\\/12\\\/31\\\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/2017\\\/12\\\/31\\\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\\\/\"},\"author\":{\"name\":\"Dr Thanuja Dharmadasa; JNNP web editor\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/#\\\/schema\\\/person\\\/f4d85645ef0320c07c29c0b234863c44\"},\"headline\":\"On track for better outcomes: in vivo analysis of white matter pathways to enhance neuro-oncological practice\",\"datePublished\":\"2017-12-31T19:30:36+00:00\",\"dateModified\":\"2018-01-01T04:32:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/2017\\\/12\\\/31\\\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\\\/\"},\"wordCount\":417,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/2017\\\/12\\\/31\\\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/files\\\/2017\\\/12\\\/DTI-sagittal-fibers.jpg\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/2017\\\/12\\\/31\\\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/2017\\\/12\\\/31\\\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jnnp\\\/2017\\\/12\\\/31\\\/on-track-for-better-outcomes-in-vivo-analysis-of-white-matter-pathways-to-enhance-neuro-oncological-practice\\\/\",\"name\":\"On track for better outcomes: in vivo analysis of white matter pathways to enhance neuro-oncological practice - 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