Question 13
{"accessible":false,"alternatives":[{"id":59,"text":"Onodi cells are important to appreciate due to their close proximity to the optic nerves"},{"id":60,"text":"Onodi cells are synonymous with \"aeration of the anterior clinoid process\""},{"id":61,"text":"Onodi cells are the posteriormost ethmoidal air cell"},{"id":62,"text":"Onodi cells pose a surgical risk if their relationship to the sphenoid sinus is not appreciated"},{"id":63,"text":"Onodi cells are located superolateral to the sphenoid sinus"}],"archived":false,"correctAlternativeId":60,"explanation":"\u003cp\u003eAlthough Onodi cells often extend into the anterior clinoid process, this does not imply the\u0026nbsp;presence of an Onodi cell, as frequently such aeration is due merely to a\u0026nbsp;recess\u0026nbsp;of the sphenoid sinus. The\u0026nbsp;key is identifying that the posterior most ethmoidal air cell\u0026nbsp;indents the sphenoid sinus and insinuates between it and the optic canal.\u003c/p\u003e","id":13,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/13","nextQuestionPath":null,"relatedArticles":[{"id":1776,"title":"Sphenoethmoidal air cell","link":"/articles/sphenoethmoidal-air-cell-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following statements about Onodi cells (sphenoethmoidal air cells) is \u003cstrong\u003eINCORRECT\u003c/strong\u003e?\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/13"}],"attemptsPercentages":[{"alternativeId":"59","percentage":10},{"alternativeId":"61","percentage":18},{"alternativeId":"60","percentage":45},{"alternativeId":"63","percentage":16},{"alternativeId":"62","percentage":11}],"promptToLogin":false,"questionManager":false,"articleId":"paranasal-sinuses"}