13 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... CT 1. ... Crazy-Paving Pattern ... pediatrikradyoloji #COVID19 #Patterns ... #CTChest #diagnosis
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... #CTChest #Nodular ... #Pattern #NodularPattern ... Differential #Comparison #Table
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... on Chest CT • ... linear branching pattern ... #CT #Lung #Pulmonary ... #diagnosis #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... and some mosaic pattern ... abnormalities and signs ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... challenging differential diagnosis ... the central dot sign ... #CXR #CTChest #
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 ... #HRCT #CTChest ... 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 ... Signs of fibrosis ... with a mozaic pattern ... #Clinical #Radiology ... #CTChest #Chronic
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
lesion has been stable ... with a benign pattern ... definitive tissue diagnosis ... #Management #Radiology ... #CTChest #Fleischner
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
The dominant pattern ... these non-specific CT ... broad differential diagnosis ... #Clinical #Radiology ... #CTChest #RBILD