14 results
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Diagnosis by Distribution ... Pneumonitis, RB-ILD ... #Diagnosis #Distribution ... #pulmonary
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... edema #Diagnosis ... HRCT #ChestCT #Differential ... #Table #Distribution
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... ConnectiveTissueDiseases #ILD ... #Differential # ... Comparison #Table ... #Pulmonary #Rheumatology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
CXR: Peripheral distribution ... Organizing Pneumonia - Diagnosis ... other processes Workup ... strep, HIV • CTD workup ... #ILD #diagnosis
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
plugging WHAT IS THE DISTRIBUTION ... involving both lungs ... Obstruction 6) Rheumatologic ... Bronchiectasis #pulmonary ... #diagnosis #differential
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... The table summarizes ... the pattern of distribution ... #Pulmonary #CXR ... #Table #RadiologyAssistant
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
: ILD (interstitial ... lung disease), ... Scleroderma #SSc #rheumatology ... #diagnosis #signs ... symptoms #testing #workup
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... presentations - ILD ... Disease #DCLD #pulmonary ... #Algorithm #Diagnosis ... #differential
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... #Diseases #pulmonary ... #differential # ... diagnosis #comparison ... #table #eosinophilia