Chronic small-vessel vasculitis
Mucocutaneous, ocular, cardiovascular, renal, GI, pulmonary, urologic, musculoskeletal, CNS involvement
Aphthous oral ulcers + ≥ 2 of following: Genital aphthae, cutaneous lesions, and neurological, oral or rheumatologic manifestations
Behçet's disease
HSV
Chagas disease
Lichen planus
Sjögren syndrome
Pemphigus vulgaris
CMV colitis
Bullous pemphigoid