Question 1627
{"accessible":false,"alternatives":[{"id":8102,"text":"superior cerebellar artery (SCA)"},{"id":8103,"text":"anterior inferior cerebellar artery (AICA)"},{"id":8104,"text":"posterior inferior cerebellar artery (PICA)"},{"id":8105,"text":"posterior pericallosal artery"}],"archived":false,"correctAlternativeId":8104,"explanation":"\u003cp\u003e\u003ca title=\"Cerebellar infarction\" class=\"internal\" href=\"/articles/cerebellar-infarction\"\u003eCerebellar infarction\u003c/a\u003e\u0026nbsp;is a relatively uncommon subtype of\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/ischaemic-stroke?lang=gb\"\u003eischemic stroke\u003c/a\u003e.\u0026nbsp;It may involve any of the three arteries supplying the\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/cerebellum?lang=gb\"\u003ecerebellum\u003c/a\u003e: \u003ca title=\"Superior cerebellar artery (SCA)\" class=\"internal\" href=\"/articles/superior-cerebellar-artery\"\u003esuperior cerebellar artery (SCA)\u003c/a\u003e, \u003ca title=\"Anterior inferior cerebellar artery (AICA)\" class=\"internal\" href=\"/articles/anterior-inferior-cerebellar-artery\"\u003eanterior inferior cerebellar artery (AICA)\u003c/a\u003e, and \u003ca title=\"Posterior inferior cerebellar artery (PICA)\" class=\"internal\" href=\"/articles/posterior-inferior-cerebellar-artery\"\u003eposterior inferior cerebellar artery (PICA)\u003c/a\u003e. The \u003ca title=\"Posterior pericallosal artery\" class=\"internal\" href=\"/articles/splenial-artery\"\u003eposterior pericallosal artery\u003c/a\u003e\u0026nbsp;(or splenial artery)\u0026nbsp;is a branch of the \u003ca title=\"Posterior cerebral artery (PCA)\" class=\"internal\" href=\"/articles/posterior-cerebral-artery\"\u003eposterior cerebral artery (PCA)\u003c/a\u003e providing blood supply to the splenium (not to the cerebellum).\u003c/p\u003e\u003cp\u003eThe posterior inferior cerebellar artery (PICA) territory is considered the most common territory involved in cerebellar infarction.\u003cstrong\u003e \u003c/strong\u003ePICA occlusion\u0026nbsp;may cause infarction of posterior inferior cerebellum, inferior cerebellar vermis, and lateral medulla.\u003c/p\u003e","id":1627,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1627","nextQuestionPath":null,"relatedArticles":[{"id":5015,"title":"Posterior inferior cerebellar artery","link":"/articles/posterior-inferior-cerebellar-artery?lang=us"},{"id":28223,"title":"Splenial artery","link":"/articles/splenial-artery?lang=us"},{"id":45633,"title":"Anterior inferior cerebellar artery (AICA) infarct","link":"/articles/anterior-inferior-cerebellar-artery-aica-infarct-1?lang=us"},{"id":1809,"title":"Posterior cerebral artery (PCA) infarct","link":"/articles/posterior-cerebral-artery-pca-infarct?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following vascular territories is most commonly involved in the cerebellar infarction?\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/1627"}],"attemptsPercentages":[{"alternativeId":"8105","percentage":1},{"alternativeId":"8104","percentage":72},{"alternativeId":"8102","percentage":21},{"alternativeId":"8103","percentage":6}],"promptToLogin":false,"questionManager":false,"articleId":"cerebellar-infarction"}