10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... #Radiology #CTChest ... #Differential #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... (LCH): multiple ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... LCH: multiple round ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... (LCH). ... LCH is called a ... #CXR #CTChest # ... LangerhansCellHistiocytosis #LCH
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
early and late cystic ... #Clinical #Radiology ... #Pathology #CTChest ... #Microscopy #LCH ... #Cavitary #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
of LCH. ... patients with LCH ... #Clinical #Radiology ... #CTChest #LCH # ... #Cavitary #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Langerhans cell histiocytosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... challenging differential diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... Langerhans cell histiocytosis ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison