대한흉부영상의학회 Korean Society of Thoracic Radiology

Discussion

Diagnosis With Brief Discussion

Reviewy

A condition of calcium deposition in the normal pulmonary parenchyma
Upper lobe predilection d/t a higher ventilation-to-perfusion ratio in the apices, hence less CO2 pressure and a more alkaline environment
Predisposing factors
Chronic renal failure (m/c), hypercalcemia, and increased tissue alkalinity
Radiologic features
Centrilobular GGOs with numerous fluffy, poorly defined nodule
3 to 10 mm in diameter
Focal consolidation

Keywords