Question 2217
{"accessible":true,"alternatives":[{"id":10981,"text":"obstructive atelectasis due to an aspirated foreign body"},{"id":10982,"text":"obstructive atelectasis due to bronchial occlusion by cancer"},{"id":10983,"text":"passive atelectasis due to a pleural effusion"},{"id":10984,"text":"passive atelectasis due to a pneumothorax"}],"archived":false,"correctAlternativeId":10982,"explanation":"\u003cp\u003eIn a person with a long-standing smoking history, by far the most common cause of lobar\u0026nbsp;atelectasis is a cancer occluding a bronchus. The reverse S-shape to the margin of the collapsed lobe in this case is further evidence of a central lung mass as the cause (Golden S sign). There is no pneumothorax or pleural effusion. \u003c/p\u003e\u003cp\u003eNote: the history was modified for this question to make it more straightforward.\u003c/p\u003e","id":2217,"imageUrl":"https://prod-images-static.radiopaedia.org/images/54187212/9e3f31c6264948580a5fcece768e5069e7fe6b34e065834fe62c46a3a66bacbe_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":85743},"imageAttributionCaseInfo":{"title":"Golden S sign of right upper lobe collapse","contributor_name":"Bipin Saroha","contributor_param":"bipin-saroha","case_rid":85743,"case_param":"golden-s-sign-of-right-upper-lobe-collapse"},"firstQuestionPath":"/questions/2615","nextQuestionPath":"/articles/lung-cancer-3/questions/2214","relatedArticles":[{"id":41199,"title":"Resorptive (obstructive) atelectasis","link":"/articles/resorptive-obstructive-atelectasis?lang=us"},{"id":15346,"title":"Right upper lobe collapse","link":"/articles/right-upper-lobe-collapse?lang=us"},{"id":1394,"title":"Golden S-sign (lung lobe collapse)","link":"/articles/golden-s-sign-lung-lobe-collapse?lang=us"},{"id":66446,"title":"Passive atelectasis","link":"/articles/passive-atelectasis-1?lang=us"},{"id":19437,"title":"Lung atelectasis","link":"/articles/lung-atelectasis?lang=us"}],"alsoUsedIn":[{"id":1723,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1723","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1723"},{"id":365,"kind":"LiveSchedule","title":"365","link":"https://radiopaedia.org/admin/live_schedules/365"},{"id":277,"kind":"LiveSchedule","title":"277","link":"https://radiopaedia.org/admin/live_schedules/277"},{"id":1026,"kind":"Course","title":"Chest X-ray: Graphic Novel - page 1026","link":"https://radiopaedia.org/courses/chest-xray-graphic-novel/pages/1026"},{"id":1480,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1480","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1480"}],"stem":"\u003cp\u003eA 60-year-old woman with\u0026nbsp;a 50 pack-year history of smoking presents with a cough. Based on the history and the chest x-ray findings, what is the most likely type of and reason\u0026nbsp;for the right upper lobe atelectasis?\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/2217"}],"attemptsPercentages":[{"alternativeId":"10984","percentage":3},{"alternativeId":"10982","percentage":91},{"alternativeId":"10981","percentage":2},{"alternativeId":"10983","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"lung-cancer"}