13 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular pattern ... perilymphatic, random ... the nodules are diffuse ... Diagnosis #Radiology #Pulmonary ... HRCT #CTChest #NodularPattern
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 ... Diagnosis #Radiology #Pulmonary ... #NodularPattern ... Differential #Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... Random refers to ... Diagnosis #Radiology #Pulmonary ... #HRCT #NodularPattern ... #Nodular #Pattern
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Pneumonitis, RB-ILD ... Bronchiolitis, Vasculitis, Diffuse ... Carcinomatosis • Random ... #Distribution #pulmonary
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... Diagnosis #Radiology #Pulmonary ... #Differential #Table
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 ... CTChest #Nodular #Pattern ... #Comparison #Table
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... consolidation - Multifocal ill-defined ... mass - Solitary Pulmonary ... Consolidation #Patterns
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
in normal lung, pulmonary ... disease, idiopathic pulmonary ... artifact); (G) UIP pattern ... #Correlation #Table ... #ILD #Findings
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary ... IdiopathicInterstitialPneumonia #ILD
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
consolidation and GG pattern ... eosinophilia pneumonia, Pulmonary ... lymphoma, Diffuse ... Pneumonia #COP #BOOP #pulmonary ... #ILD #diagnosis