15 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... LCH: multiple round ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Cystic #Pattern
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... histiocytosis (LCH ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Cystic #Pattern
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... On a Chest X-Ray ... seen and in many cases
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Emphysema - Lung cysts ... low attenuation pattern ... on the basis of HRCT ... Radiology #Pulmonary #CTChest
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... #Pattern #Comparison
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... LCH is called a ... In many of such cases ... a HRCT will give ... Radiology #CXR #CTChest
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Nodular #Pattern
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
this case the chest ... In many cases a ... HRCT is needed to ... The HRCT - not shown ... #Interstitial #Pattern
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
HRCT findings in ... Cystic airspaces Cysts ... There are no cysts ... Clinical #Radiology #CTChest ... #LCH #LangerhansCellHistiocytosis
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... On a chest X-ray ... In many cases you ... A HRCT is needed ... HRCT demonstrated