54 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
alveolitis): • Hypersensitivity ... pneumonitis, Farmer's ... ILD caused by inhalation ... #diagnosis #differential ... #pulmonary #causes
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... - Differential ... Asbestosis, Silicosis, Hypersensitivity ... , Pneumonitis ... #Causes #Differential
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis The ... pneumonitis are ... : Mosaic pattern ... shows a mosaic pattern ... Clinical #Radiology #CXR
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity ... pneumonitis: ill ... Hypersensitivity ... pneumonitis: centrilobular
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Hypersensitivity ... pneumonitis: ill ... Hypersensitivity ... NodularPattern #Differential
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Centrilobular: Hypersensitivity ... Pneumonitis, RB-ILD ... Lung #Nodules #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... histiocytosis - Hypersensitivity ... pneumonitis - Sarcoidosis ... HRCT #ChestCT #Differential
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Pneumocystis Jiroveci, Hypersensitivity ... Pneumonitis, Neurofibromatosis ... Lymphocytic Interstitial Pneumonitis ... Lung #Disease #differential ... #diagnosis #causes
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... - Differential ... Pneumonitis, Respiratory ... HighRes #Chest #CT #Patterns ... #Differential #
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
pneumonitis The ... : ill-defined centrilobular ... opacity (80% of cases ... ) or mosaic pattern ... There are ill-defined