Question 1420
{"accessible":false,"alternatives":[{"id":7075,"text":"diffusion weighted imaging (DWI)"},{"id":7076,"text":"fluid attenuated inversion recovery (FLAIR)"},{"id":7077,"text":"susceptibility weighted imaging (SWI) "},{"id":7078,"text":"T1 weighted sequences"},{"id":7079,"text":"T2 weighted sequences"}],"archived":false,"correctAlternativeId":7077,"explanation":"\u003cp\u003eThe same feature that makes susceptibility weighted imaging (SWI) particularly sensitive to compounds which distort the local magnetic field and as such make it useful in detecting blood products, results in \"blooming\" of the signal loss and makes the lesion look far larger than it actually is.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThe best sequences to measure such a lesion are those that are least affected by these effects e.g. T1 and T2 fast spin-echo sequences.\u0026nbsp;\u003c/p\u003e","id":1420,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2962","nextQuestionPath":"/articles/diffusion-weighted-imaging-2/questions/1419","relatedArticles":[{"id":5852,"title":"T1 weighted image","link":"/articles/t1-weighted-image?lang=us"},{"id":21760,"title":"Fluid attenuated inversion recovery","link":"/articles/fluid-attenuated-inversion-recovery?lang=us"},{"id":6345,"title":"T2 weighted image","link":"/articles/t2-weighted-image?lang=us"}],"alsoUsedIn":[{"id":510,"kind":"Course","title":"Neurodegenerative Learning Pathway - page 510","link":"https://radiopaedia.org/courses/neurodegenerative-learning-pathway/pages/510"},{"id":1070,"kind":"Course","title":"Neurodegenerative Learning Pathway - page 1070","link":"https://radiopaedia.org/courses/neurodegenerative-learning-pathway/pages/1070"}],"stem":"\u003cp\u003eWhich of the following sequences is\u0026nbsp;\u003cstrong\u003eLEAST\u003c/strong\u003e\u0026nbsp;accurate in assessing the size of a small hemorrhagic lesion?\u0026nbsp;\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/1420"}],"attemptsPercentages":[{"alternativeId":"7079","percentage":12},{"alternativeId":"7078","percentage":22},{"alternativeId":"7077","percentage":37},{"alternativeId":"7075","percentage":20},{"alternativeId":"7076","percentage":8}],"promptToLogin":false,"questionManager":false,"articleId":"diffusion-weighted-imaging"}