대한흉부영상의학회 Korean Society of Thoracic Radiology

Discussion

Diagnosis With Brief Discussion

Differential Diagnosis

Lymphocytic interstitial pneumonia
Lymphangioleiomyomatosis
Langerhans cell histiocytosis
Pulmonary cystic metastasis
Bronchioloalveolar carcinoma
Sarcoidosis

Discussion

Clinical Laboratory findings
- Dry eyes & Dry mouth
- Anti-SSa / Anti-SSb(+/+)

Chest radiograph
- multuiple pulmonary cysts of variable size
- Basilar predominance
- Prominent peribronchovascular marking
- Ill-defined nodular opacities

Chest CT
- Multiple thin-walled lung cysts of various sizes
- Random distribution, basilar predominance
- Nodular opacities, some of them having CT halo sign
- No thickening of BVB or interlobular septa
- Small mediastinal lymph nodes
- No pleural effusion

Keywords

Lung, Airway, Interstitial lung disease, Metabolic and storage lung disesae,