7 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... pattern can be ... seen and in many cases ... #Pattern #Differential
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
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 ... in ground glass pattern ... GroundGlassOpacity #GroundGlass ... #Differential #
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... In most cases small ... peribronchovascular interstitium ... NodularPattern #Nodular #Pattern
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
as dominant pattern ... This case is one ... of the possible patterns ... relatively uniform pattern ... NonspecificInterstitialPneumonia #GroundGlass
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
ground-glass opacity on HRCT ... the ground-glass pattern ... usually associated HRCT ... with GGO, one without ... Radiology #CTChest #GroundGlass
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... Unknown • 6-7 cases ... pattern, irregular ... , cavities • HRCT ... lower lung zone, GGO