13 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 ... the nodules are diffuse ... HRCT #CTChest #NodularPattern ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... perilymphatic distribution ... perilymphatic distribution ... 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 ... Centrilobular distribution ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... perilymphatic distribution ... #Clinical #Radiology ... CTChest #Nodular #Pattern
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... of distribution ... more than one pattern ... lobar pneumonia caused ... #Diagnosis #Radiology
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... Diffuse distribution ... LCDD, SS Cyst pattern ... presentations - ILD ... DCLD #pulmonary #Algorithm
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... in a mosaic distribution ... presents with centrilobular ... confluent, HRCT shows diffuse ... #Clinical #Radiology
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 ... #Clinical #Radiology
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 ... secondary lobule (centrilobular ... bronchiectasis) #Diagnosis #Radiology ... Interpretation #Algorithm ... #ILD #RadiologyAssistant