12 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Pattern #Differential ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... predominance: UIP ... #Radiology #Pulmonary ... #CTChest #GGO # ... #Differential #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... morphologic findings on HRCT ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... to confirm the diagnosis ... #Clinical #Radiology ... #Interstitial # ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
bronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Algorithm #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... pulmonary edema ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... The histologic pattern ... #Clinical #Radiology ... #CTChest #AIP # ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... , cavities • HRCT ... #ILD #diagnosis ... #management