Question:
Asbestosis causes all of the following EXCEPT:
Asbestosis causes all of the following EXCEPT:
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Asbestosis is a basal interstitial fibrosis; enlarged hilar nodes point instead to sarcoidosis or silicosis.
Updated On: Jun 24, 2026
- Shaggy heart borders
- Honeycombing
- Hilar lymphadenopathy
- Basal peribronchial fibrosis
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The Correct Option is C
Solution and Explanation
Step 1: Asbestosis is a diffuse interstitial pulmonary fibrosis that characteristically affects the lower lobes of the lung. The basal fibrosis gives basal peribronchial fibrosis (option d true) and, in advanced disease, honeycombing (option b true).
Step 2: Pleural plaques and basal fibrosis blur the cardiac and diaphragmatic outlines, producing the classic shaggy heart border appearance (option a true).
Step 3: Hilar lymphadenopathy is NOT a feature of asbestosis. It is more typical of sarcoidosis and silicosis (the latter giving eggshell calcification of hilar nodes). Asbestosis spares the hila.
Step 4: Hence the feature NOT caused by asbestosis is hilar lymphadenopathy, option c.
Step 2: Pleural plaques and basal fibrosis blur the cardiac and diaphragmatic outlines, producing the classic shaggy heart border appearance (option a true).
Step 3: Hilar lymphadenopathy is NOT a feature of asbestosis. It is more typical of sarcoidosis and silicosis (the latter giving eggshell calcification of hilar nodes). Asbestosis spares the hila.
Step 4: Hence the feature NOT caused by asbestosis is hilar lymphadenopathy, option c.
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