Question 745
{"accessible":false,"alternatives":[{"id":3776,"text":"more likely to be EBV-associated"},{"id":3777,"text":"more likely to restrict diffusion"},{"id":3778,"text":"more likely to mimic cerebral toxoplasmosis"},{"id":3779,"text":"more likely to be multifocal"},{"id":3780,"text":"more likely to be necrotic"}],"archived":false,"correctAlternativeId":3777,"explanation":"\u003cp\u003eAlthough generally, the features of immunodeficiency-associated CNS lymphomas is similar to that of sporadic primary CNS lymphomas, in the setting of immunodeficiency tumors are more likely to be:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003eheterogeneous including central non-enhancement (necrosis)\u003c/li\u003e\n\u003cli\u003emultifocal\u003c/li\u003e\n\u003cli\u003esurrounded by a greater degree of vasogenic edema\u003c/li\u003e\n\u003c/ul\u003e\u003cp\u003eAppearances may mimic toxoplasmosis.\u0026nbsp;\u003c/p\u003e\u003cp\u003eDiffusion restriction is not a distinguishing feature, and actually, the necrotic centers will demonstrate facilitated diffusion.\u0026nbsp;\u003c/p\u003e","id":745,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/745","nextQuestionPath":null,"relatedArticles":[{"id":1032,"title":"Lymphomas of the central nervous system","link":"/articles/lymphomas-of-the-central-nervous-system?lang=us"},{"id":53116,"title":"Immunodeficiency-associated CNS lymphomas","link":"/articles/immunodeficiency-associated-cns-lymphomas?lang=us"}],"alsoUsedIn":[{"id":1230,"kind":"Course","title":"Enhancing Brain Tumours Learning Pathway - page 1230","link":"https://radiopaedia.org/courses/enhancing-brain-tumours-learning-pathway/pages/1230"},{"id":1230,"kind":"Course","title":"Brain Tumours Learning Pathway - page 1230","link":"https://radiopaedia.org/courses/brain-tumours-learning-pathway/pages/1230"}],"stem":"\u003cp\u003eWhich of the following features is \u003cstrong\u003eNOT\u003c/strong\u003e true about immunodeficiency-associated CNS lymphomas compared to sporadic primary CNS lymphoma?\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/745"}],"attemptsPercentages":[{"alternativeId":"3778","percentage":10},{"alternativeId":"3777","percentage":48},{"alternativeId":"3779","percentage":10},{"alternativeId":"3780","percentage":21},{"alternativeId":"3776","percentage":12}],"promptToLogin":false,"questionManager":false,"articleId":"aids-related-diffuse-large-b-cell-lymphoma"}