Differential Diagnosis of Sarcoidosis
Type | Specific Disorder |
|---|---|
Mycobacterial infection | Atypical mycobacteria |
Fungal infection | |
Other infections | Cat-scratch disease (lymph nodes only) |
Rheumatologic disorders | Granulomatosis with polyangiitis Juvenile idiopathic arthritis (juvenile rheumatoid arthritis) Kikuchi-Fujimoto disease (lymph nodes only) |
Hematologic cancer | Castleman disease (a lymphoproliferative disorder associated with infection by HIV or human herpesvirus 8) |
Hypersensitivity | Metals encountered in occupational settings: Aluminum (appliances and equipment manufacture, construction industries), silica (construction, mining, foundries), beryllium (aerospace industries, nuclear reactors), titanium (medical implants, cosmetics, paints industries), zirconium (surgical appliances, glass, amalgam industries) Organic antigens causing hypersensitivity pneumonitis: Actinomycetes, atypical mycobacterial antigens, fungi, mushroom spores, other bioaerosols Inorganic antigens causing hypersensitivity pneumonitis: Isocyanate, pyrethrins Vaping induced |
Other | Foreign body aspiration or inoculation Granulomatous hepatitis |