Question 2223
{"accessible":false,"alternatives":[{"id":11008,"text":"hot cross bun sign"},{"id":11009,"text":"hummingbird sign"},{"id":11010,"text":"morning glory sign"},{"id":11011,"text":"putaminal rim sign"},{"id":11012,"text":"swallow tail sign"}],"archived":false,"correctAlternativeId":11011,"explanation":"\u003cp\u003eThe \u003cstrong\u003eputaminal rim sign\u003c/strong\u003e, also known as the putaminal slit sign, is said to be a relatively specific sign of multiple system atrophy - parkinsonism (MSA-P), and refers to a linear region of high signal surrounding the lateral aspect of the putamen at 1.5 T MRI on T2 weighted images or ADC map.\u003c/p\u003e\u003cp\u003eUnfortunately, this appearance can be seen in normal individuals when imaged with 3T MRI.\u0026nbsp;\u003c/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"/articles/hot-cross-bun-sign-pons\"\u003ehot cross bun sign\u003c/a\u003e is seen in \u003ca href=\"/articles/multiple-system-atrophy-cerebellar-type-msa-c\"\u003eMSA cerebellar\u0026nbsp;type (MSA-C)\u003c/a\u003e\n\u003c/li\u003e\n\u003cli\u003e\n\u003ca href=\"/articles/hummingbird-sign-midbrain\"\u003ehummingbird sign\u003c/a\u003e and \u003ca href=\"/articles/morning-glory-sign-midbrain\"\u003emorning glory sign\u003c/a\u003e are\u0026nbsp;seen in progressive supranuclear palsy (PSP)\u003c/li\u003e\n\u003cli\u003e\n\u003ca title=\"Swallow tail sign (substantia nigra)\" class=\"internal\" href=\"/articles/swallow-tail-sign-substantia-nigra\"\u003eswallow tail sign\u003c/a\u003e is seen in \u003ca href=\"/articles/parkinson-disease-1\"\u003eParkinson disease\u003c/a\u003e\n\u003c/li\u003e\n\u003c/ul\u003e","id":2223,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2223","nextQuestionPath":null,"relatedArticles":[{"id":13006,"title":"Multiple system atrophy parkinsonian type (MSA-P)","link":"/articles/multiple-system-atrophy-parkinsonian-type-msa-p-2?lang=us"}],"alsoUsedIn":[{"id":1065,"kind":"Course","title":"Neurodegenerative Learning Pathway - page 1065","link":"https://radiopaedia.org/courses/neurodegenerative-learning-pathway/pages/1065"}],"stem":"\u003cp\u003eWhich of the following signs is said to be relatively specific for\u0026nbsp;multiple system atrophy - parkinsonism type (MSA-P)?\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/2223"}],"attemptsPercentages":[{"alternativeId":"11008","percentage":35},{"alternativeId":"11011","percentage":57},{"alternativeId":"11010","percentage":2},{"alternativeId":"11009","percentage":2},{"alternativeId":"11012","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"putaminal-rim-sign"}