口腔黏膜课件.ppt
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1、NEXT,口腔粘膜溃疡类疾病Oral Ulcerative diseases,BACK TO INDEX,Introduction,Behets disease,Traumatic Ulcer&Traumatic Bulla,Recurrent Aphthous Ulcer,Summary&Questions,BACK,Reiters Syndrome,I.Introduction,Ulcers are one of the most common types of lesions seen in oral mucosa.2.The difference between ulcer and e
2、rosion.,NEXT,ulcer,erosion,NEXT,BACK,Comparison,Recurrent Aphthous Ulcer,1.Preface Name recurrent aphthous ulcer RAU recurrent aphthous stomatitis RAS recurrent oral ulcer ROU,NEXT,Typing Lehners classification minor aphthous ulcer(MiAU)major aphthous ulcer(MjAU)herpetiform ulcer(HU)Characteristic r
3、ecidivity self-healing periodicity,NEXT,2.Etiology unknown immunity:cellular immunity,humoral immunity,complement,autoantibody heritage infection:HSV environment:psychology,NEXT,denutrition:iron,copper,zinc,folic acid,Vit B12 hyperoxide dismutase microcirculation disturbance:lip,nail,apex linguae sy
4、stemic factor:ulceration of stomach、hepatitis、colonitis、diarrhoea,NEXT,3.Clinical features minor aphthous ulcer major aphthous ulcer herpetiform ulcer,NEXT,NEXT,Minor aphthous ulcers,NEXT,NEXT,NEXT,Major aphthous ulcers,NEXT,Periadenitis Mucosa Necrotica Recurrens,NEXT,Major aphthous ulcers,NEXT,Her
5、petiform ulcers,NEXT,disease-process,24h,10d-14d,outbreak,NEXT,intermission,healing,prodromal stage,ulcerative stage,5.Diagnosis,history clinical feature,NEXT,4.Pathology:nonspecific inflammation,6.Differential diagnosis,benign ulcer&malignant ulcerNecrotizing sialadenometaplasia,Behets disease,herp
6、es simplex,hand-foot-and-mouth disease,NEXT,Comparison,NEXT,7.Treatment,principle:symptomatic treatmentEvaluation of curative effect,NEXT,Topical application of a steroid ointment reduces discomfort and decreases the duration of the lesions.Topical anesthetics,antibiotics,mouthwashes,etc.,have been
7、used.In severe cases,intralesional steroid injection or systemic steroids in a low dose(10-20 mg prednisone)for 5-10 days reduce the pain dramatically.,BACK,III.Behets disease,1.Preface Hulusi Behet(1937)Behets disease is a chronic multisystemic inflammatory disorder of uncertain cause and prognosis
8、.2.Etiology Unknown,NEXT,3.Clinical features 1)oral mucosa:minor aphthous ulcer 2)genital lesion:ulcer 3)skin lesions:erythema nodosum,epifolliculitis,pustule after needling 4)ocular lesions:conjunctivitis,recurrent iritis 5)others systems:joint,digestive,cardiovascular,nervous,respiratory,urinary,N
9、EXT,Behets disease,NEXT,4.Pathology:Histopathologic changes consist of a perivascular mononuclear cellular infiltrate,endothelial cell swelling or necrosis,partial luminal obliteration and occasional fibrinoid necrosis of the vessels.,NEXT,5.Diagnosis 1)recurrent oral ulceration 2)recurrent genital
10、ulceration 3)eye lesions 4)skin lesions 5)positive pathergy test To establish the diagnosis of Behets Disease,recurrent oral ulceration plus any two of the other four major clinical criteria must be present.,NEXT,6.Differential diagnosis,NEXT,RAU Herpetic atomatitis Crohns diseaseReiters syndromeSte
11、vens-Johnson syndrome,7.Treatment Symptomatic in mild cases.Systemic steroids,immunosuppressive drugs,colchicines,thalidomide,and dapsone are administered in severe cases.,BACK,IV.Traumatic Ulcer Traumatic Bulla,1.Preface,Because of the constant motion of the masticatory mucosa over the teeth and th
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