9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... Centrilobular emphysema ... #Diagnosis #Radiology ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... Centrilobular emphysema ... #Clinical #Radiology ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #Pattern #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... pattern can be readily ... #Diagnosis #Radiology ... Differential #Diagram #Comparison ... TractionBronchiectasis #Cysts
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Cysts occur without ... Cysts usually contain ... #Clinical #Diagnosis ... #Cavity #Cyst # ... Emphysema #Comparison
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung cyst ... is a possible diagnosis ... to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... challenging differential diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... Histiocytosis #Cystic
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
There is a lung cyst ... is a possible diagnosis ... to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
various tissues, leading ... populations) CLINICAL ... Lungs: Cysts (esp ... DIAGNOSIS • Imaging ... organs like the liver