8 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... ) - Bronchiectasis ... on the basis of HRCT ... #LowAttenuation ... #Cysts #Emphysema
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
a reticular interstitial ... #Clinical #Radiology ... #CXR #UIP #CTChest ... #Reticular #Interstitial ... #Pattern #Honeycombing
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LCH): multiple ... thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... When the cysts have ... or honeycombing ... pattern on a CXR ... seen and in many cases
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... Honeycombing 4. ... #Clinical #Radiology ... #HRCT #CTChest
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
In many of such cases ... a HRCT will give ... #Clinical #Radiology ... #CXR #CTChest # ... Cystic #Interstitial
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
In many cases you ... a reticular pattern ... #Clinical #Radiology ... #CXR #UIP #Reticular ... Pattern #Honeycombing
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film is a reticular ... was caused by multiple ... cysts. ... #Clinical #Radiology ... #CXR #CTChest #