Oral cavity lesions.
D003877:Dermatitis, Contact / Q000175:diagnosis; D003937:Diagnosis, Differential; D003945:Diagnosis, Oral; D006801:Humans; D008010:Lichen Planus / Q000175:diagnosis; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009059:Mouth Diseases / Q000175:diagnosis; D009912:Oral Manifestations; D010392:Pemphigus / Q000175:diagnosis