17 results
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 ... #Clinical #Radiology ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #Comparison #Table
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
cavitate and become cysts ... These cysts start ... bizarre shaped cysts ... #Clinical #Radiology ... LangerhansCellHistiocytosis
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... Clinical #Diagnosis #Radiology ... CTChest #Cystic #Cysts ... Differential #Comparison #Table
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
characterised by multiple cysts ... cavitate and become cysts ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #Nodular #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... low attenuation (table ... When the cysts have ... seen and in many cases ... #Diagnosis #Radiology
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... LCH is called a ... In many of such cases ... #Clinical #Radiology ... Interstitial #Langerhans #LangerhansCellHistiocytosis
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... Histiocytosis #LCH
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
Cystic airspaces Cysts ... There are no cysts ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis