5 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... effusion; sometimes pneumothorax ... Centrilobular emphysema ... #Clinical #Radiology ... Cystic #Pattern #Comparison
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung cyst ... is a possible diagnosis ... leading to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... Centrilobular emphysema ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Differential #Comparison
Subcutaneous emphysema on Chest XRay

Etiologies:   Pneumothorax (spontaneous or traumatic), trauma (tracheobronchial injury, barotrauma), esophageal
Subcutaneous emphysema ... on Chest XRay ... tracheobronchial injury ... #ChestXRay #CXR ... #Clinical #Radiology
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
There is a lung cyst ... is a possible diagnosis ... leading to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax