Question 1881
{"accessible":true,"alternatives":[{"id":9342,"text":"type I"},{"id":9343,"text":"type II"},{"id":9344,"text":"type III"},{"id":9345,"text":"type IV"}],"archived":false,"correctAlternativeId":9344,"explanation":"\u003cp\u003eThere is a complex spinal AVM involving the upper cervical cord as well as the adjacent bone and soft tissues, classified type III, which often have\u0026nbsp;extramedullary and extraspinal involvement. This type is considered to be of congenital origin and is more commonly seen in the cervical and thoracic spine.\u003c/p\u003e\u003cp\u003eSpinal AVM\u0026nbsp;are classified into:\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003etype I: spinal dural AV fistula\u003c/p\u003e\u003c/li\u003e\u003cli\u003e\u003cp\u003etype II:\u0026nbsp;intramedullary glomus-type AVM\u003c/p\u003e\u003c/li\u003e\u003cli\u003e\u003cp\u003etype III:\u0026nbsp;juvenile-type intra + extramedullary AVM\u003c/p\u003e\u003c/li\u003e\u003cli\u003e\u003cp\u003etype IV:\u0026nbsp;intradural perimedullary (AV fistula)\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e","id":1881,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/341/spinal-arteriovenous-malformation-2_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":36040},"imageAttributionCaseInfo":{"title":"Spinal arteriovenous malformation","contributor_name":"Frank Gaillard","contributor_param":"frank","case_rid":36040,"case_param":"spinal-arteriovenous-malformation-2"},"firstQuestionPath":"/questions/2510","nextQuestionPath":"/articles/dural-arteriovenous-fistula/questions/1457","relatedArticles":[{"id":6715,"title":"Spinal arteriovenous malformations","link":"/articles/spinal-arteriovenous-malformations?lang=us"},{"id":42259,"title":"Spinal vascular malformations","link":"/articles/spinal-vascular-malformations?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich type of\u0026nbsp;spinal arteriovenous malformation (AVM) is shown on this sagittal T2 image?\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/1881"}],"attemptsPercentages":[{"alternativeId":"9344","percentage":39},{"alternativeId":"9345","percentage":11},{"alternativeId":"9342","percentage":17},{"alternativeId":"9343","percentage":33}],"promptToLogin":false,"questionManager":false,"articleId":"dural-arteriovenous-fistula"}