M/F = 1:3. Associated with systemic vasculitis (10%), RA (7%), SLE (5%), Hashimotos (4%), other fibrosing syndromes (9%)
Sx:Onset age 13-84 yr, median age is 51 yr; arthritis (52%); ocular (51%); laryngotracheal sx (48%); saddle nose (29%); hearing loss (26%); vertigo (13%)
Si:Auricular chondritis (85%); nasal chondritis (54%); laryngotracheal sx (48%); fever (40%); skin changes (28%); episcleritis