15 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... Langerhans cell histiocytosis ... #Diagnosis #Radiology ... TractionBronchiectasis #Cysts ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Langerhans cell histiocytosis ... : round cysts, evenly ... #Radiology #CTChest ... #Cystic #Cysts
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... (LCH): multiple ... thick walled cysts ... Honeycombing. 4. ... (LAM): regular cysts
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... LCH: multiple round ... bizarre shaped cysts ... Honeycombing 4. ... #Clinical #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
them from cysts ... Cysts occur without ... Langerhans cell histiocytosis ... #Radiology #CTChest ... #RadiologyAssistant
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
Honeycomb cysts ... Subpleural honeycomb cysts ... which subpleural cysts ... #Diagnosis #Radiology ... #Differential #
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, bulla, honeycombing ... since in many cases ... #CXR #Lucency #Differential ... Lung #Pulmonary #Diagnosis ... #Radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... When the cysts have ... or honeycombing ... seen and in many cases ... #Diagnosis #Radiology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... by multiple cysts ... diagnosis in this ... #Clinical #Radiology ... #CXR #CTChest #LCH
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Diagnosis Framework ... Attenuation: • Emphysema ... Antitripsyn Def • Cysts ... Congenital, Langerhans Histiocytosis ... #radiology