44 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... • Radiation pneumonitis ... Idiopathic Interstitial Pneumonias ... interstitial pneumonia (DIP ... interstitial pneumonia (AIP
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
computerised tomography; ILD ... pulmonary fibrosis; UIP ... usual interstitial pneumonitis ... #IPF #UIP #Algorithm
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
hypersensitivity pneumonitis ... hypersensitivity pneumonitis ... computed tomography; UIP ... hypersensitivity #pneumonitis ... algorithm #HP #ILD
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... is seen in: - UIP
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... : ill defined centrilobular ... Hypersensitivity pneumonitis ... Nodular #Pattern #Comparison
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lung diseases LIP ... I-JIP: usual interstitial ... AIP: acute interstitial ... ConnectiveTissueDiseases #ILD ... #Differential #Comparison
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Hypersensitivity Pneumonitis ... , RB-ILD, Pneumoconiosis ... , Amyloidosis, LIP
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... : ill defined centrilobular ... Hypersensitivity pneumonitis ... bronchiolitis: ill ... #Differential #Comparison
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Pneumonia • (UIP ... Pneumonia • (DIP ... Pneumonia • (LIP ... Chronic Radiation Pneumonitis ... Lung #Diseases #ILD
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in UIP ... Mild mediastinal ... Radiology #CTChest #UIP ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant