19 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Lung cysts (LAM, LIP ... low attenuation pattern ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... low attenuation areas ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... with peripheral areas ... #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... low attenuation (table ... The cystic pattern ... in many cases UIP ... #Diagnosis #Radiology
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
a patient with DIP ... shows diffuse areas ... and some mosaic pattern ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... findings of NSIP, UIP ... , OP and LIP have
It is usually easy to recognize the pattern of UIP on HRCT. #Clinical #Radiology #CTChest #UIP
recognize the pattern ... of UIP on HRCT. ... #Clinical #Radiology ... #CTChest #UIP # ... #Pneumonitis #ILD
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... sudden-onset shortness of breath ... neck (shown in video ... from these areas ... in subcutaneous areas
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
interstitial pneumonia (AIP ... The histologic pattern ... There are areas ... and extensive areas ... #CTChest #AIP #