7 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... #Radiology #CTChest ... #Differential #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... LCH: multiple round ... Radiology #HRCT #CTChest ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... histiocytosis (LCH ... (LAM): regular cysts ... 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 ... histiocytosis (LCH ... LCH is called a ... Radiology #CXR #CTChest ... LangerhansCellHistiocytosis #LCH
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Emphysema - Lung cysts ... #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 ... caused by multiple cysts ... challenging differential diagnosis ... Radiology #CXR #CTChest ... #LCH #LangerhansCellHistiocytosis
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... #Clinical #Diagnosis ... Radiology #Pulmonary #CTChest ... #Differential #Comparison