18 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... in women in the child-bearing ... Centrilobular emphysema ... Diagnosis #Radiology #CTChest ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
cysts in woman of child-bearing ... Centrilobular emphysema ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... cysts in woman of child-bearing ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... without associated pulmonary ... emphysema. ... Diagnosis #Radiology #CTChest ... #Comparison #RadiologyAssistant
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
#LungDisease #CTILD ... #Diagnosis #Differential ... #Comparison #Table ... #Pulmonary #Rheumatology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Attenuation: • Emphysema ... Honeycombing: Idiopathic Pulmonary ... #CT #Patterns #Differential ... #Diagnosis #pulmonary
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
pneumatocele, emphysema ... we describe a chest ... with a thin wall Emphysema ... #CXR #Lucency #Differential ... Cavity #Cyst #Lung #Pulmonary
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential ... #Comparison #Table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... Infarction and Pulmonary ... myocardial ischemia, chest ... it difficult to differentiate ... #Presentation #comparison