10 results
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
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural effusion ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... distribution: Hypersensitivity ... bronchiolitis #Diagnosis ... #Differential #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential diagnosis ... are confluent, HRCT ... #Clinical #Radiology ... HypersenstitivityPneumonitis #RadiologyAssistant
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
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... left suggest the diagnosis ... with a mozaic pattern ... #Clinical #Radiology ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... restricted to areas ... small pleural effusions ... carcinoma, the diagnosis ... Pneumonia #ILD #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... aswell as the HRCT ... suggestive of the diagnosis ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
The dominant pattern ... broad differential diagnosis ... would first think hypersensitivity ... #Clinical #Radiology ... RespiratoryBronchiolitis #ILD #RadiologyAssistant