9 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #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 ... low attenuation areas ... #Clinical #Radiology ... HRCT #CTChest #LowAttenuation ... #Cystic #Pattern
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #LowAttenuation
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... distribution - LIP ... pattern not consistent ... presentations - ILD ... Disease #DCLD #pulmonary
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 ... smoking #Clinical #Radiology ... DesquamativeInterstitialPneumonia #ILD
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 ... #Clinical #Radiology ... 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 ... attenuation (emphysema, cystic ... #Pulmonary #HRCT ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... like idiopathic pulmonary ... patients with a UIP ... pattern or NSIP ... pattern seen in
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Case A 39-year-old ... American male in mild ... SpO2 88% on room air ... chest radiograph pattern ... #Radiology #CTChest