9 results
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
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 ... low attenuation areas ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... areas of ground-glass ... and some mosaic pattern ... smoking #Clinical #Radiology ... DesquamativeInterstitialPneumonia #ILD
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
mostly present as areas ... the following patterns ... Less frequently areas ... #Diagnosis #Pathophys ... #Lung #Patterns
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... There are areas ... and extensive areas ... suggestive of the diagnosis ... AcuteInterstitialPneumonia #ILD
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
finding on a chest x-ray ... produces only mild ... #Diagnosis #Radiology ... Lobar #Collapse #Patterns ... #Comparison #RadiologyAssistant
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Several of the diagnoses ... considering the diagnosis ... chest trauma are diagnosed ... chest radiograph pattern ... #Radiology #CTChest