20 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... what kind of pattern ... the most common pattern ... The cystic pattern ... pattern can be
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... indicates unknown cause ... have specific patterns ... realise, that these patterns ... vascular diseases (e.g
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 ... with a reticular pattern ... This pattern was ... #Pattern #Honeycombing
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
demonstrates a reticular interstitial ... pattern with a ... preference at the lung ... bases. ... #Pattern #Honeycombing
Anaplastic large cell lymphoma, ALK+
Clinical
 • First 3 decades of life, M>F
 • Often nodal +
, soft tissue, lungs ... Lymphohistiocytic pattern ... • Small cell pattern ... • Hodgkin-like pattern ... • Composite pattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... peribronchovascular interstitium ... structures of the lung ... NodularPattern #Nodular #Pattern ... Perilymphatic #Comparison
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... malignancy and other interstitial ... Unknown • 6-7 cases ... consolidation and GG pattern ... CAP, Idiopathic interstitial
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
hypertension due to lung ... pulmonary disease Interstitial ... lung disease Other ... and obstructive pattern ... #Differential #Causes
PseudoARDS-Effusion Pattern

PseudoARDS-effusion refers to a patient with bilateral infiltrates who seems to have ARDS, but whose
PseudoARDS-Effusion Pattern ... admixture of true lung ... plus effusions (e.g ... ChestCT #PseudoARDS #Comparison ... True #Effusion #Pattern
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
-19 Chest CT - Case ... periphery of two lungs ... a multilobular pattern ... mosaic paving (case ... CTChest #Clinical #CriticalCare