Behçet disease is a chronic, relapsing vasculitis that affects vessels of all sizes.
Mucosal inflammation is a common manifestation of the disorder, and often causes oral and genital lesions; ocular inflammation can produce uveitis or hypopyon.
Cutaneous manifestations vary, and include pus-filled bumps, palpable purpura, erythema nodosum, and superficial thrombophlebitis.
Typical age of onset is around 20 years old.
Behçet disease is equally common in men and women, though it's often worse in men.
