Question 1871
{"accessible":false,"alternatives":[{"id":9293,"text":"areas of increased periventricular echogenicity in the deep white matter developing into extensive subcortical cysts"},{"id":9294,"text":"areas of increased periventricular echogenicity, that develop into extensive periventricular cysts in the occipital and frontoparietal region"},{"id":9295,"text":" areas of increased periventricular echogenicity without any cyst formation persisting for more than 7 days"},{"id":9296,"text":"the echogenicity has resolved into small periventricular cysts"}],"archived":false,"correctAlternativeId":9293,"explanation":"\u003cp\u003eThe sonographic method\u0026nbsp;used for grading of\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/periventricular-leukomalacia?lang=gb\"\u003eperiventricular leukomalacia\u0026nbsp;\u003c/a\u003eincludes four grades:\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003egrade 1:\u003c/strong\u003e\u0026nbsp;areas of increased periventricular echogenicity without any cyst formation persisting for more than 7 days\u003c/li\u003e\u003cli\u003e\u003cstrong\u003egrade 2:\u003c/strong\u003e\u0026nbsp;the echogenicity has resolved into small periventricular cysts\u003c/li\u003e\u003cli\u003e\u003cstrong\u003egrade 3:\u003c/strong\u003e\u0026nbsp;areas of increased periventricular echogenicity, that develop into extensive periventricular cysts in the occipital and frontoparietal region\u003c/li\u003e\u003cli\u003e\u003cstrong\u003egrade 4:\u003c/strong\u003e\u0026nbsp;areas of increased periventricular echogenicity in the deep white matter developing into extensive subcortical cysts\u003c/li\u003e\u003c/ul\u003e","id":1871,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1871","nextQuestionPath":null,"relatedArticles":[{"id":12858,"title":"Periventricular leukomalacia","link":"/articles/periventricular-leukomalacia?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following sonographic features describes grade 4 of the periventricular leukomalacia?\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/1871"}],"attemptsPercentages":[{"alternativeId":"9293","percentage":67},{"alternativeId":"9294","percentage":20},{"alternativeId":"9295","percentage":2},{"alternativeId":"9296","percentage":11}],"promptToLogin":false,"questionManager":false,"articleId":"grades-of-periventricular-leukomalacia"}