9 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... Clinical #Radiology #HRCT ... #Pattern #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 ... are visible, the pattern ... Radiology #Pulmonary #HRCT ... #Pattern #MultipleNodules
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... defined centrilobular ... bronchiolitis: ill ... #Pattern #NodularPattern ... Differential #Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... pattern. ... In most cases small ... Radiology #Pulmonary #HRCT ... #Pattern #Distribution
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... reticular, nodular ... low attenuation (table ... The cystic pattern ... seen and in many cases
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 ... : reticular nodular ... secondary lobule (centrilobular ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... opacity (80% of cases ... ) or mosaic pattern ... There are ill-defined ... centrilobular nodules
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... morphologic findings on HRCT ... realise, that these patterns
Cryptogenic Organizing Pneumonia (COP)

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