16 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Centrilobular emphysema ... Diagnosis #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Centrilobular emphysema ... low attenuation areas ... Radiology #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... low attenuation areas ... Radiology #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Lung cysts (LAM ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... the surrounding lung ... with end-stage fibrosis ... Diagnosis #Radiology #CTChest ... #RadiologyAssistant
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 ... #Table #CavitaryLesion
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
Cystic lung disease ... Lung cysts are ... Cystic lung diseases ... listed in the table ... #Differential #
Emphysema, when it is severe, can mimick Langerhans cell histiosytosis.
When it extends beyond the centrilobular area
look as if it is cystic ... LCH, but also areas ... bronchiolitis and even fibrosis ... Clinical #Radiology #CTChest ... #Emphysema #RadiologyAssistant
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
walls composed of fibrous ... and subpleural lung ... from paraseptal emphysema ... #Honeycombing #Differential ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... Even fibrosis as ... Radiology #Pulmonary #CTChest ... Consolidation #Differential ... #RadiologyAssistant