25 results
Granulomatous Lung Disease - Differential Diagnosis Algorithm
OP: organising pneumonia; EGPA: eosinophilic granulomatosis with polyangiitis; NSG: necrotising
Granulomatous Lung ... ; GPA: granulomatosis ... interstitial lung ... hypersensitivity pneumonitis ... #granuloma #Lung
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 ... • Vasculitis: Granulomatosis ... , Eosinophilic granulomatosis
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
Hypersensitivity, Pneumonitis ... Systemic Disease: • Granulomatous ... GPA, EGPA • Granulomatous ... #interstitial #lung
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Hypersensitivity Pneumonitis ... - Eosinophilic pneumonitis ... the apices thus granulomatous ... Hypersensitivity pneumonitis ... pneumonia • Granulomatous
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Hypersensitivity pneumonitis ... #Upper #Lower #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
of Interstitial Lung ... Poor Prognosis Granulomatous ... characterized by granulomatous ... Metastases to lung ... Chronic Radiation Pneumonitis
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... other interstitial pneumonias ... Idiopathic interstitial pneumonia ... Hypersensitivity pneumonitis ... , Granulomatous
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
manifestations- Pneumonitis ... Lymphomatoid granulomatosis ... lesions • 80% with lung
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... it is seen in pneumonias ... seen in chronic lung ... #Differential #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Management Summary Lung ... • Necrosis of lung ... Pneumonitis 3. ... Vasculitis (e.g., Granulomatosis