12 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... pneumonitis: ill ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... The HRCT shows a ... mosaic pattern ... #Clinical #Radiology ... Chronic #Fibrosis #RadiologyAssistant
It is usually easy to recognize the pattern of UIP on HRCT. #Clinical #Radiology #CTChest #UIP
recognize the pattern ... of UIP on HRCT. ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #ILD ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... resolution of the HRCT ... in ground glass pattern ... distribution: Hypersensitivity ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
morphologic findings on HRCT ... vascular diseases (e.g ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... bronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
with similarl HRCT ... the right has hypersensitivity ... the well defined areas ... #Clinical #Radiology ... #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... The histologic pattern ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD ... #RadiologyAssistant
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 ... DesquamativeInterstitialPneumonia #ILD ... #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... #Pulmonary #HRCT ... Interpretation #Algorithm ... #ILD #RadiologyAssistant