Presentation
Heavy smoker patient with wheeze and exertional dyspnea
Patient Data
Age: 55 years
Gender: Male
From the case:
Centrilobular emphysema
Coronal lung window

There are focal lucencies in the right and left upper lobe indicative of centrilobular emphysema.
Case Discussion
Centrilobular emphysema is the most common form of emphysema 1 and is a common finding in asymptomatic elderly and it predominantly involves the upper lobes.