1193 results
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
of Interstitial Lung ... Metastases to lung ... as nodules Hypersensitivity ... - Immunologic (hypersensitivity ... reaction to inhaled antigen
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
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity ... Summary Type I Hypersensitivity ... Disease Type III Hypersensitivity ... Immunological Target: Antigen-Ab ... poison ivy) #Hypersensitivity
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... Mediators: lgE - Antigen ... Form: Soluble antigen ... complex - Antigen ... Graft rejection #hypersensitivity
Exposure Related ILD

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

Andrew Sanchez
Related ILD • Hypersensitivity ... #Interstitial #Lung
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... lgE - Soluble antigen ... IgM - Cell-bound antigen ... - Antigen-antibody ... sclerosis #Hypersensitivity
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
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... Pneumocystis Jiroveci, Hypersensitivity ... nickmmark #Cystic #Lung
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... Macrophage engulfs antigen ... -> Antigen presentation ... cells recognize antigen