1114 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 ... child-bearing age - Cystic ... Diagnosis #Radiology #CTChest ... #Cystic #Cysts
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... Diagnosis #Radiology #CTChest ... #Cystic #Comparison
Pericardial cyst
Pericardial cysts are connected to the pericardium and usually contain clear fluid.
The majority of pericardial
Pericardial cyst ... Pericardial cysts ... of pericardial cysts ... Radiology #CXR #CTChest ... #Pericardial #Cyst
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
between cavities and cysts ... Cysts occur without ... Cysts usually contain ... Diagnosis #Radiology #CTChest ... #Cavity #Cyst #
Key findings in Lymphangiomyomatosis:
Numerous thin-walled cysts, surrounded by normal parenchyma.
Cysts range from 2mm to 5cm in
Numerous thin-walled cysts ... Cysts range from ... Cysts are distributed ... thickness of the cysts ... Clinical #Radiology #CTChest
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
commonly seen) - Cystic ... airspaces Cysts ... There are no cysts ... Clinical #Radiology #CTChest
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
bizarre shaped cysts ... Clinical #Radiology #CTChest ... Histiocytosis #Cystic
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... Radiology #Pulmonary #CTChest ... TractionBronchiectasis #Cysts