15 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
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... Random distribution ... Diagnosis #Radiology #Pulmonary ... #Nodular #Pattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Miliary TB: random ... perilymphatic distribution ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Pneumonitis, RB-ILD ... Bronchiolitis, Vasculitis, Diffuse ... Carcinomatosis • Random ... #pulmonary
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 ... CTChest #Nodular #Pattern ... NodularPattern #Differential
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 ... idiopathic it is called cryptogenic ... Diagnosis #Radiology #Pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
CXR: Peripheral distribution ... consolidation and GG pattern ... , cavities • HRCT ... lymphoma, Diffuse ... #ILD #diagnosis
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... the overlap in differential ... the reticular pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Diffuse distribution ... LCDD, SS Cyst pattern ... presentations - ILD ... Disease #DCLD #pulmonary ... #differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... morphologic findings on HRCT ... idiopathic or cryptogenic ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary