Question 2345
{"accessible":false,"alternatives":[{"id":11578,"text":"all ground glass opacities in NSIP indicate reversible disease"},{"id":11579,"text":"prone imaging is less useful in NSIP than in other forms of fibrotic lung disease"},{"id":11580,"text":"subpleural sparing can be lost in severe extent disease"},{"id":11581,"text":"true idiopathic presentation is the most common etiology"}],"archived":false,"correctAlternativeId":11580,"explanation":"\u003cp\u003e\u003ca href=\"/articles/subpleural-sparing\"\u003eSubpleural sparing\u003c/a\u003e\u0026nbsp;is best appreciated in early disease, but can be lost in severe, late stage disease. This\u0026nbsp;highlights\u0026nbsp;the critical importance of reviewing oldest available imaging when interpreting these cases.\u003c/p\u003e\u003cp\u003e\u003ca href=\"/articles/non-specific-interstitial-pneumonia-1\"\u003eNSIP\u003c/a\u003e is most commonly seen as a complication of connective tissue disease. Prone imaging is often used in the work-up as it allows accurate assessment of the disease's extent, especially when low-volume disease is common.\u0026nbsp;The finding of \u003ca href=\"/articles/ground-glass-opacification-3\"\u003eground glass opacity\u003c/a\u003e, when superimposed on \u003ca href=\"/articles/reticular-interstitial-pattern\"\u003ereticulation\u003c/a\u003e or \u003ca href=\"/articles/traction-bronchiectasis\"\u003etraction bronchiectasis\u003c/a\u003e, suggests fine fibrosis below the resolution of CT, whereas ground glass opacity distant to features of established fibrosis is likely to be reversible with treatment.\u003c/p\u003e","id":2345,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/3012","nextQuestionPath":"/articles/usual-interstitial-pneumonia/questions/2344","relatedArticles":[{"id":11007,"title":"Non-specific interstitial pneumonia","link":"/articles/non-specific-interstitial-pneumonia-1?lang=us"},{"id":43552,"title":"Idiopathic interstitial pneumonias: HRCT chest approach","link":"/articles/idiopathic-interstitial-pneumonias-hrct-chest-approach?lang=us"},{"id":1431,"title":"Three attenuation pattern","link":"/articles/three-attenuation-pattern?lang=us"},{"id":68888,"title":"Interstitial lung abnormality","link":"/articles/interstitial-lung-abnormality?lang=us"}],"alsoUsedIn":[{"id":1354,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1354","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1354"},{"id":1200,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1200","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1200"},{"id":248,"kind":"LiveSchedule","title":"248","link":"https://radiopaedia.org/admin/live_schedules/248"},{"id":168,"kind":"LiveSchedule","title":"168","link":"https://radiopaedia.org/admin/live_schedules/168"},{"id":1291,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1291","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1291"},{"id":1291,"kind":"Course","title":"Chest Lectures - page 1291","link":"https://radiopaedia.org/courses/chest-lectures/pages/1291"},{"id":1291,"kind":"Course","title":"Content Previews - page 1291","link":"https://radiopaedia.org/courses/previews/pages/1291"},{"id":1291,"kind":"Course","title":"Lecture Collections - page 1291","link":"https://radiopaedia.org/courses/lecture-collections/pages/1291"}],"stem":"\u003cp\u003eWhich of the following about non-specific interstitial pneumonia (NSIP) is true?\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/2345"}],"attemptsPercentages":[{"alternativeId":"11578","percentage":11},{"alternativeId":"11579","percentage":7},{"alternativeId":"11581","percentage":13},{"alternativeId":"11580","percentage":70}],"promptToLogin":false,"questionManager":false,"articleId":"usual-interstitial-pneumonia"}