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Difference between revisions of "Diffuse lung diseases"
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===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=Ref_WMSP92>{{Ref WMSP|92}}</ref> | Features:<ref name=Ref_WMSP92>{{Ref WMSP|92}}</ref> | ||
* | *Diffuse fibrosis: | ||
** | **Uniform fibrosis (unlike [[UIP]]). | ||
**"Linear fibrosis" has a good prognosis - should be mentioned in the report. | **"Linear fibrosis" has a good prognosis - should be mentioned in the report. | ||
***''Linear fibrosis'' = fibrosis that follows alveolar walls + no architectural distortion. | ***''Linear fibrosis'' = fibrosis that follows alveolar walls + no architectural distortion. | ||
*+/-Lymphoid nodules - | *+/-Lymphoid nodules - association with collagen vascular disease. (???) | ||
*+/-Focal [[organizing pneumonia]]. | *+/-Focal [[organizing pneumonia]]. | ||
Notes: | Notes: | ||
*Inflammation in NSIP usually more prominent than in UIP. | *Inflammation in NSIP usually more prominent than in UIP. | ||
*No honeycombing - key difference between UIP and NSIP. | *No honeycombing - key difference between UIP and NSIP. | ||
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*Drug reaction. | *Drug reaction. | ||
*[[Hypersensitivity pneumonitis]] (extrinic allergic alveolitis). | *[[Hypersensitivity pneumonitis]] (extrinic allergic alveolitis). | ||
*[[Lymphocytic interstitial pneumonia]] (LIP) - much more inflammation. | |||
==Hypersensitivity pneumonitis== | ==Hypersensitivity pneumonitis== | ||