14 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... four patterns: ... lung disease and ... pattern can be ... seen and in many cases
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... bronchovascular interstitium ... Radiology #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... peribronchovascular interstitium ... structures of the lung ... NodularPattern #Nodular #Pattern
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... IdiopathicInterstitialPneumonia #ILD
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity (GGO ... resolution of the HRCT ... lung disease (i.e ... in ground glass pattern ... Pulmonary #CTChest #GGO
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... pattern, irregular ... , cavities • HRCT ... zone, GGO, small ... BOOP #pulmonary #ILD
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
pattern with a ... preference at the lung ... bases. ... The HRCT demonstrates ... #Pattern #Honeycombing
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... as a reticular pattern ... at the lung bases ... This pattern was ... UIP #Reticular #Interstitial
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 ... perilymphatic or random ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
ground-glass opacity on HRCT ... potentially treatable lung ... the lung disease ... the ground-glass pattern ... #GroundGlass #GGO