7 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis ... (LAM): uniform cysts ... bizarre shaped cysts ... #HRCT #CTChest ... Pattern #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... Lymphangiomyomatosis ... (LAM): regular cysts ... #HRCT #CTChest ... Pattern #Comparison #Table
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 ... #CTChest #Lymphangiomyomatosis
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis of Lymphangiomyomatosis ... 90% are smokers, cysts ... another typical case ... #Clinical #Radiology ... #CTChest #Lymphangiomyomatosis
On the left a case with multiple cysts that are evenly distributed througout the lung (
On the left a case ... with multiple cysts ... #Clinical #Radiology ... #CTChest #LAM # ... Lymphangiomyomatosis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... The cystic pattern ... When the cysts have ... seen and in many cases ... #Diagnosis #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
the lung, like cyst ... since in many cases ... we describe a chest ... #Differential #Table ... Pulmonary #Diagnosis #Radiology