11 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... the nodules are diffuse ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... MultipleNodules #Nodules #Differential
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
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 ... structures of the lung ... Diagnosis #Radiology #Pulmonary
Main causes of diffuse parenchymal lung diseases.

#differential #algorithm #diagnosis #causes #DPLD #ILD #parenchymal #lung #diseases #pulmonary
Main causes of diffuse ... parenchymal lung ... #differential #algorithm ... #causes #DPLD #ILD ... #diseases #pulmonary
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... #HRCT #ChestCT ... #Differential #Table ... #Distribution #
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
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 ... perilymphatic distribution ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Differential
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to look at the pattern ... of distribution ... more than one pattern ... 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
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... in ground glass pattern ... Centrilobular distribution ... #GroundGlass #Differential