13 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... LIP, Langerhans cell ... histiocytosis) ... on the basis of HRCT ... TractionBronchiectasis #Cysts
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
HRCT findings in ... Cystic airspaces Cysts ... There are no cysts ... #Clinical #Radiology ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... histiocytosis (LCH ... multiple thick walled cysts ... (LAM): regular cysts ... #HRCT #CTChest
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Langerhans cell ... histiocytosis: early ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
) - Langerhans cell ... histiocytosis - ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Cysts occur without ... associated pulmonary ... Cysts usually contain ... or Langerhans cell ... histiocytosis.
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
bizarre shaped cysts ... for Langerhans cell ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
of Langerhans' cell ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH #LangerhansCellHistiocytosis ... #Cystic #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
When the cysts have ... in Langerhans cell ... histiocytosis or ... #Diagnosis #Radiology ... #Pulmonary #CXR
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
Langerhans cell ... histiocytosis is ... characterised by multiple cysts ... cavitate and become cysts ... #Clinical #Radiology