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There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... LAM is a rare lung ... airways leading to pulmonary ... LAM also occurs ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... effusion; sometimes pneumothorax ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
On the left a case with multiple cysts that are evenly distributed througout the lung (
Notice the pneumothorax ... Lymphangiomyomatosis (LAM ... Clinical #Radiology #CTChest ... #Pneumothorax # ... RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Emphysema #SignetRing #RadiologyAssistant
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
4 - Fibrosis Pulmonary ... upper lobes - Pneumothcrax ... chylothorax, and pulmonary ... hypertension are ... less common - Rare
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
attached to the chest ... LAM is a rare lung ... airways leading to pulmonary ... LAM also occurs ... #RadiologyAssistant
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... History and Exam Acute ... life-threatening causes: • Acute ... dissection • Pneumothorax ... • Pulmonary embolism
Key findings in Lymphangiomyomatosis:
Numerous thin-walled cysts, surrounded by normal parenchyma.
Cysts range from 2mm to 5cm in
Recurrent pneumothorax ... of LAM with multiple ... Clinical #Radiology #CTChest ... Lymphangiomyomatosis #LAM ... #Cystic #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules are ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... patterns on a chest ... mass - Solitary Pulmonary ... Consolidation #Patterns #RadiologyAssistant