14 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 ... #Diagnosis #Radiology ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... CTChest #Nodular #Pattern ... #NodularPattern ... #Differential #
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... defined centrilobular ... #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 ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... Consolidation #Patterns
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... - Chest Radiology ... mm) nodules • Diffusely ... PulmPEEPs #Miliary #Pattern ... pulmonary #CXR #clinical
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to think of the differential ... to look at the pattern ... more than one pattern ... #Diagnosis #Radiology
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... cases) or mosaic pattern ... There are ill-defined ... centrilobular nodules ... #Clinical #Radiology
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential ... presents with centrilobular ... confluent, HRCT shows diffuse ... #Clinical #Radiology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... is a reticular patern ... recognized that this pattern ... this patient is centrilobular ... #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