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 ... Pulmonary #HRCT #CTChest ... #NodularPattern ... #Nodular #Pattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... peribronchovascular interstitium ... Pulmonary #HRCT #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 ... Miliary TB: random ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... #NodularPattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... Miliary TB: random ... Radiology #HRCT #CTChest ... #Nodular #Pattern
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 - Multifocal ill-defined ... Nodule - Multiple Masses ... Consolidation #Patterns
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... Nodular: • Random ... Pneumoconiosis • Centrilobular ... #CT #Patterns #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... realise, that these patterns ... Radiology #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
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
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 #CTChest
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... was caused by multiple ... this patient is centrilobular ... Radiology #CXR #CTChest