152 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... histiocytosis - Hypersensitivity ... #Upper #Lower #RadiologyAssistant
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
diagnosis of chronic hypersensitivity ... transbronchial lung ... transbronchial lung ... cHP = chronic hypersensitivity ... #hypersensitivity
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... Hypersensitivity ... Comparison #Table #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
masses is very long ... Management #Radiology #Lung ... #Differential #RadiologyAssistant
Exposure Related ILD

 • Hypersensitivity pneumonitis
 • Pneumoconioses 
 • Radiation pneumonitis
 • Medication-induced ILD

Andrew Sanchez
Related ILD • Hypersensitivity ... #Interstitial #Lung
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... findings in chronic hypersensitivity ... patient with chronic hypersensitivity ... #CXR #CTChest #Hypersensitivity ... Chronic #Fibrosis #RadiologyAssistant
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Centrilobular: Hypersensitivity ... BrighamChiefs #Lung
Granulomatous Lung Disease - Differential Diagnosis Algorithm
OP: organising pneumonia; EGPA: eosinophilic granulomatosis with polyangiitis; NSG: necrotising
Granulomatous Lung ... granulomatous-lymphocytic interstitial lung ... disease; HP: hypersensitivity ... Granulomatous #granuloma #Lung
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... ABPA is a hypersensitivity ... structures in the right lung ... Mucus #Plugging #RadiologyAssistant
Ill defined centrilobular nodules of ground glass density in a patient with hypersensitivity pneumonitis #Clinical #Radiology
a patient with hypersensitivity ... Radiology #CTChest #Hypersenstitivity ... Centrilobular #RadiologyAssistant