15 results
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Cardiogenic pulmonary ... demarcated secondary lobeles ... #CTChest #LymphangiticCarcinomatosis ... Comparison #Table #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Filling of the alveolar ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO # ... #Differential #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
the air in the alveoli ... the air in the alveoli ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Definition: Diffuse alveolar ... Differential Diagnosis ... high resolution chest ... out infection, biopsy ... #differential #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT chest ... of PRS: Biopsy ... leading to diffuse alveolar ... typically seen on chest ... #differential #diagnosis
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
The upper lobe is ... attached to the chest ... is a possible diagnosis ... airways leading to pulmonary ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Pulmonary hemorrhage ... filling of the alveoli ... #Clinical #Diagnosis ... Consolidation #Causes #RadiologyAssistant
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
even within each lobe ... Clinical #Radiology #CTChest ... #CHF #Alveolar ... #Pulmonary #Edema ... Gravity #Dependent #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... smokers, upper lobe ... centrilobular emphysema. - Alveolar ... #Radiology #CTChest ... Fibrosis #Mimic #ILD #RadiologyAssistant
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... the right middle lobe ... interstitium and alveoli ... infiltrates on chest ... #differential #diagnosis