Sinonasal sarcoidosis is a diagnosis of exclusion.
Differential diagnosis:
(1) infection
(2) autoimmune vasculitis
(3) drug abuse
(4) other
Condition |
Workup |
tuberculosis, leprosy or other mycobacterial infection |
history, negative AFB stain, culture, chest X-ray, PPD or QuantiFERON |
fungal infection |
history, fungal stain, culture, serum antibody |
syphilis |
serologic testing |
Wegener’s granulomatosis |
serum ANCA, vasculitis |
Churg-Strauss |
asthma, eosinophilia, serum IgE |
other vasculitis |
serum ANCA, serum ANA, vasculiits |
cocaine or other inhaled drug of abuse |
history, random drug testing |
iatrogenic |
history of surgery |
trauma |
history of facial trauma |
Specialty: Otolaryngology, Infectious Diseases, Immunology/Rheumatology
ICD-10: ,