81 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 ... pneumonia (AIP) ... #diagnosis #differential
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
hypersensitivity pneumonitis ... hypersensitivity pneumonitis ... computed tomography; UIP ... usual interstitial pneumonia ... algorithm #HP #ILD
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... diseases LIP ... ConnectiveTissueDiseases #ILD ... CTILD #Diagnosis #Differential ... #Comparison #Table
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
other interstitial pneumonias ... - Imaging: • CXR ... Idiopathic interstitial pneumonia ... Hypersensitivity pneumonitis ... BOOP #pulmonary #ILD
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
common & convincing pneumonia ... Aspiration pneumonitis ... Drug -induced pneumonitis ... Pneumocystis jiroveci (PIP ... #Mimics #Differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Disease - Differential ... • (UIP) Usual ... Chronic Radiation Pneumonitis ... #Diseases #ILD ... #Causes #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... is seen in: - UIP ... #Table #Distribution
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pseudomonas FUNGAL PNEUMONIAS ... fever BACTERIAL PNEUMONIAS ... - 20% of pneumonias ... HIV PARASITIC PNEUMONIAS
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... responses of the lung ... listed in the table ... findings of NSIP, UIP ... IdiopathicInterstitialPneumonia #ILD
Schematic classification of interstitial lung diseases according to aetiology. The finding of histological usual interstitial pneumonitis
of interstitial lung ... usual interstitial pneumonitis ... idiopathic interstitial pneumonia ... non-specific interstitial pneumonitis ... #ILD #Classification