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There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
The upper lobe is ... cyst in the upper lobe ... is a possible diagnosis ... airways leading to pulmonary ... #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 ... Emphysema #SignetRing #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the right lower lobe ... the differential diagnosis ... The lab-findings ... Biopsy revealed the diagnosis ... OrganizingPneumonia #BOOP #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Cardiogenic pulmonary ... demarcated secondary lobeles ... Cardiogenic pulmonary ... Comparison #Table #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
The upper lobe is ... cyst in the upper lobe ... is a possible diagnosis ... airways leading to pulmonary ... #RadiologyAssistant
Pleural effusion is seen in:
1. Pulmonary edema
2. Lymphangitic spread of carcinoma - often unilateral
3. Tuberculosis
4. Lymphangiomyomatosis
Pulmonary edema ... Lymphangiomyomatosis (LAM ... Asbestosis #Diagnosis ... #Radiology #Pulmonary ... #Differential #RadiologyAssistant
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
Lymphadenopathy (LAD ... - Lymphomas - LAD ... Thyroid masses #Diagnosis ... #Pulmonary #Radiology ... Middle #Posterior #RadiologyAssistant