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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... - Lung cysts (LAM ... Diagnosis #Radiology #Pulmonary ... #Emphysema #SignetRing ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
(centrilobular emphysema ... - Respiratory bronchiolitis ... - Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #Upper #Lower #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Cysts occur without ... associated pulmonary ... emphysema. ... #Emphysema #Comparison ... #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
the lung, like cyst ... pneumatocele, emphysema ... describe a chest X-ray ... with a thin wall Emphysema ... #Lung #Pulmonary
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
appreciate on a cest ... x-ray. ... When the cysts have ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Hypersensitivity Pneumonitis, Respiratory ... Attenuation: • Emphysema ... Antitripsyn Def • Cysts ... Honeycombing: Idiopathic Pulmonary ... Differential #Diagnosis #pulmonary
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... Respiratory bronchiolitis ... Diagnosis #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
Pericardial cyst
Pericardial cysts are connected to the pericardium and usually contain clear fluid.
The majority of pericardial
Pericardial cyst ... Pericardial cysts ... proximal aorta and pulmonary ... On the chest x-ray ... #RadiologyAssistant
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
Honeycomb cysts ... from paraseptal emphysema ... which subpleural cysts ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant