34 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... adenopathy and pleural ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
the area next to pleura ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... Centrilobular emphysema: low ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
diseases with a low ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
the presence of pleural ... fissures. - If pleural ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Diagnosis Algorithm ... Infarction • Stable ... Wall/Pleura ... Pneumothorax • Pleural ... #Differential #Diagnosis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... nodular, high and low ... attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... in normal lung, pulmonary ... #Clinical #Diagnosis ... #HRCT #POCUS #Lung ... #Correlation #Table
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
POCUS Pulmonary ... he coughed and now ... POCUS - What’s the diagnosis ... #clinical #video ... #POCUS #pulmonary
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
consolidation) low ... additional findings (pleural ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... #HRCT #CTChest