13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... Langerhans cell histiocytosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... Langerhans cell histiocytosis ... Lymphangiomyomatosis (LAM ... #Clinical #Radiology ... #HRCT #CTChest
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #LAM ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... LCH: multiple round ... Centrilobular emphysema ... #Clinical #Radiology ... #HRCT #CTChest
#Clinical #Radiology #CTChest #RoundedAtelectasis #Rounded #Atelectasis #CometTail #Sign #RadiologyAssistant
#Clinical #Radiology ... #CTChest #RoundedAtelectasis ... #Rounded #Atelectasis ... #CometTail #Sign ... #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
90% are smokers, cysts ... Centrilobular emphysema ... gren syndrome. ... #Clinical #Radiology ... #LAM #Cystic #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Langerhans cell histiocytosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... #Cyst #Emphysema ... #Comparison #RadiologyAssistant
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
with multiple round ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... Emphysema however ... the central dot sign ... #Clinical #Radiology ... #Cystic #RadiologyAssistant