22 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... common pattern ... The cystic pattern ... in many cases UIP ... #Diagnosis #Radiology
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... (LAM): regular cysts ... #Clinical #Radiology ... LowAttenuation #Cystic ... #Pattern #Comparison
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... acute reticular pattern ... #Clinical #Radiology ... #CXR #Acute #Interstitial ... #Pneumonia #PJP
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... (LAM, LIP, Langerhans ... low attenuation pattern ... #Diagnosis #Radiology ... Differential #Diagram #Comparison
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... consolidation #Clinical ... #Radiology #HRCT ... HighAttenuation #Pattern ... #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Cryptogenic organizing pneumonia ... #Clinical #Radiology ... HighAttenuation #Pattern ... #Comparison #Table
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 ... CTChest #Nodular #Pattern ... #Comparison #Table
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
second reticular pattern ... low attenuation pattern ... usual interstitial pneumonia ... (UIP). ... #Clinical #Radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... respond to the treatment ... #Diagnosis #Radiology ... #Pulmonary #CXR