Paraseptal emphysema

Case contributed by Bruno Di Muzio
Diagnosis certain

Presentation

Smoking patient with complaints of prolonged coughing, wheezing, and nodule seen on the previous x-ray.

Patient Data

Age: 65 years
Gender: Male

CT Chest (selected images)

ct

Subpleural blebs and small focal lucencies up to 10mm in size.

Case Discussion

Para-septal emphysema affects the peripheral parts of the secondary pulmonary lobule and is usually located adjacent to the pleural surfaces (including pleural fissures). It is also associated with smoking and can lead to the formation of subpleural bullae and spontaneous pneumothorax.

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