Ulcerative lesions of the oral cavity.
D001759:Blastomycosis / Q000175:diagnosis; D002180:Candidiasis, Oral / Q000175:diagnosis; D003937:Diagnosis, Differential; D004892:Erythema Multiforme / Q000175:diagnosis; D006566:Herpesviridae Infections / Q000175:diagnosis; D006660:Histoplasmosis / Q000175:diagnosis; D006801:Humans; D008010:Lichen Planus / Q000175:diagnosis; D008179:Lupus Erythematosus, Discoid / Q000150:complications; D009059:Mouth Diseases / Q000175:diagnosis* / Q000628:therapy; D009061:Mouth Mucosa; D010392:Pemphigus / Q000175:diagnosis; D013281:Stomatitis, Aphthous / Q000175:diagnosis; D013587:Syphilis / Q000150:complications; D014393:Tuberculosis, Oral / Q000150:complications; D014456:Ulcer / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy