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| Caption = Emphysematous changes. [[H&E stain]]. | | Caption = Emphysematous changes. [[H&E stain]]. | ||
| Synonyms = | | Synonyms = | ||
| Micro = | | Micro = alveoli too large, thin septa (no interstitial thickening) | ||
| Subtypes = | | Subtypes = centriacinar (centrilobular) emphysema, panacinar (panlobular) emphysema, | ||
distal (paraseptal) acinar emphysema, irregular emphysema | |||
| LMDDx = | | LMDDx = | ||
| Stains = | | Stains = | ||
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| Assdx = +/-pneumothorax | | Assdx = +/-pneumothorax | ||
| Syndromes = [[Alpha-1 antitrypsin deficiency]], others | | Syndromes = [[Alpha-1 antitrypsin deficiency]], others | ||
| Clinicalhx = [[smoking]] | | Clinicalhx = +/-[[smoking]] | ||
| Signs = barrel chest | | Signs = barrel chest | ||
| Symptoms = shortness of breath | | Symptoms = shortness of breath |
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