130 results
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
Diagnostic algorithm ... HRCT = high-resolution ... computerised tomography; ILD ... interstitial lung disease ... pulmonary fibrosis; UIP
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... centrilobular or random ... Random refers to ... distribution In certain diseases ... Radiology #Pulmonary #HRCT
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung Diseases ... Connective Tissue Disease ... connective tissue disease ... interstitial pneumonia (DIP ... interstitial pneumonia (AIP
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Smoking related diseases ... bronchiolitis (RB-ILD ... is seen in: - UIP ... Radiology #Pulmonary #HRCT
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random ... it is likely a random ... Radiology #Pulmonary #HRCT
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
Connective tissue disease-associated ... interstitial lung diseases ... LIP: lymphoid ... connective tissue disease ... ConnectiveTissueDiseases #ILD
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis: ill ... Miliary TB: random ... Clinical #Radiology #HRCT
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
hypersensitivity pneumonitis; HRCT ... computed tomography; UIP ... pulmonary #diagnosis #algorithm ... #HP #ILD
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Pneumonitis, RB-ILD ... , Amyloidosis, LIP ... Carcinomatosis • Random
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Interstitial Lung Disease ... Differential Diagnosis Algorithm ... Pneumonia • (UIP ... #ILD #Causes #Differential ... #Diagnosis #Algorithm