Question 2614
{"accessible":false,"alternatives":[{"id":12826,"text":"fine, dense radiations with no angulation"},{"id":12827,"text":"microlobulated margin"},{"id":12828,"text":"near-spherical proportions"},{"id":12829,"text":"same or greater number of vessels coursing through as would be expected in the equivalent volume of normal, aerated lung"}],"archived":false,"correctAlternativeId":12829,"explanation":"\u003cp\u003eMalignant focal opacities show:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003emicro-lobulated margins\u003c/p\u003e\u003c/li\u003e\n\u003cli\u003e\u003cp\u003eare often spherical or near-spherical\u003c/p\u003e\u003c/li\u003e\n\u003cli\u003e\u003cp\u003eappear heterogeneous on post-contrast imaging\u003c/p\u003e\u003c/li\u003e\n\u003cli\u003e\u003cp\u003emay have fine, dense, relatively short radiations (corona radiata appearance spiculation).\u003c/p\u003e\u003c/li\u003e\n\u003c/ul\u003e\u003cp\u003eBenign (infective or inflammatory opacities) may show:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003epolygonal or straight margins\u003c/p\u003e\u003c/li\u003e\n\u003cli\u003e\u003cp\u003emay be much wider than tall and show sparse, long radiations\u003c/p\u003e\u003c/li\u003e\n\u003cli\u003e\u003cp\u003eradiations may be angulated when they comprise normal adjacent vessels\u003c/p\u003e\u003c/li\u003e\n\u003cli\u003e\u003cp\u003eon post-contrast CT can show homogeneous internal density, with vessels coursing through that are as numerous or more so than would be expected in the equivalent volume of normal, aerated lung\u003c/p\u003e\u003c/li\u003e\n\u003c/ul\u003e","id":2614,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2615","nextQuestionPath":null,"relatedArticles":[{"id":1022,"title":"Lung cancer","link":"/articles/lung-cancer-3?lang=us"}],"alsoUsedIn":[{"id":269,"kind":"LiveSchedule","title":"269","link":"https://radiopaedia.org/admin/live_schedules/269"},{"id":1725,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1725","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1725"},{"id":365,"kind":"LiveSchedule","title":"365","link":"https://radiopaedia.org/admin/live_schedules/365"},{"id":279,"kind":"LiveSchedule","title":"279","link":"https://radiopaedia.org/admin/live_schedules/279"},{"id":1462,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1462","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1462"},{"id":1462,"kind":"Course","title":"Example Lectures - page 1462","link":"https://radiopaedia.org/courses/example-lectures/pages/1462"},{"id":1462,"kind":"Course","title":"Chest Lectures - page 1462","link":"https://radiopaedia.org/courses/chest-lectures/pages/1462"},{"id":1905,"kind":"Course","title":"Radiopaedia 2024 - Virtual Conference - page 1905","link":"https://radiopaedia.org/courses/radiopaedia-2024-virtual-conference/pages/1905"}],"stem":"\u003cp\u003eVarious morphological features of focal lung opacities indicate that either the lung is in charge (benign etiologies) or the lesion is in charge (malignant etiologies). Which of the following features show the lung being in charge?\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/2614"}],"attemptsPercentages":[{"alternativeId":"12828","percentage":7},{"alternativeId":"12826","percentage":6},{"alternativeId":"12829","percentage":84},{"alternativeId":"12827","percentage":3}],"promptToLogin":false,"questionManager":false,"articleId":"lung-cancer-staging-iaslc-8th-edition"}