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emphysema

This tag is associated with 2 posts

Bronchiectasis – Differential Diagnosis

History: 65 year old male with shortness of breath.  This is the appearance of bronchiectasis. Bronchiectasis is defined as abnormal widening or dilatation of the airways. It can be diagnosed by a bronchoarterial ratio (B/A) of greater than 1.5. Other ways to diagnose bronchiectasis include lack of bronchial tapering after airway bifurcations and visualization of … Continue reading

Paraseptal Emphysema

History: 55 year old male with history of hypertension and diabetes presents with shortness of breath.  This is the typical appearance of paraseptal emphysema, which is caused by destruction of alveolar ducts and alveoli in the periphery of the secondary pulmonary lobules. When these lucencies become larger than 10 mm, they are classified as bullae. … Continue reading