COPD — Emphysema and Chronic Bronchitis MCQ — NEET PG Practice Question | NEETPGAI
COPD — Emphysema and Chronic Bronchitis
medium
microscope Pathology
A 58-year-old man with 40 pack-year smoking history presents with progressive dyspnea. Pulmonary function tests show FEV₁/FVC ratio of 0.65 and markedly reduced DLCO. High-resolution CT chest reveals centrilobular emphysema with upper lobe predominance. Which single histopathological feature best distinguishes this patient's emphysema pattern from panlobular emphysema seen in alpha-1 antitrypsin deficiency?
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