These cases are for basic introduction of pulmonary nodular patterns (perilymphatic nodules).
DDx of Perilymphatic Noduls
- Sarcoidosis, Silicosis, Coalworker pneumoconiosis (記: 傻礦工)
- Sarcoidosis: absence of occupational exposure, PMF less frequent
- LIP (rare)
- Amyloidsis (rare)
- Lymphoma
- Kaposi sarcoma: irregular nodular opacities, flame-shaped, Hx
- Lymphangitis carcinomatosis: associated findings, Hx