11 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... #NodularPattern ... #Nodular #Pattern ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern ... Comparison #Diagram #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... consolidation - Diffuse ... Consolidation #Patterns ... #RadiologyAssistant
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
as dominant pattern ... of the possible patterns ... relatively uniform pattern ... Clinical #Radiology #CTChest ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... confluent, HRCT shows diffuse ... Clinical #Radiology #CTChest ... #GGO #MosaicAttenuation ... HypersenstitivityPneumonitis #RadiologyAssistant
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 ... perilymphatic or random ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
the ground-glass pattern ... with GGO, one without ... Clinical #Radiology #CTChest ... #GroundGlass #GGO ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... far as you can go ... recognized that this pattern ... was caused by multiple ... Histiocytosis #Cystic #RadiologyAssistant
In the images on your left you can appreciate again the spectrum of findings seen in
a very subtle GGO ... image also shows GGO ... fine reticular pattern ... Clinical #Radiology #CTChest ... NonspecificInterstitialPneumonia #ILD #RadiologyAssistant