口腔粘膜溃疡类疾病.ppt

NEXT,口腔粘膜溃疡类疾病OralUlcerativediseases,BACKTOINDEX,Introduction,Behetsdisease,TraumaticUlcerself-healinginaboutaweek,NEXT,NEXT,thermalburn,7)Traumaticbulla&traumatichematoma,causedbybitingorprostheticappliancesbuccalmucosa,softpalate,lips,tongueself-healingin4-6days,NEXT,traumaticbulla,NEXT,4.Diagnosis,historyclinicalfeatures,NEXT,carcinoma,syphilis,tubercularulcer,majoraphthousulcerthrombocytopenia,thrombastheniapemphigus,cicatricialpemphigoid,5.Differentialdiagnosis,malignantulcer,NEXT,5.Differentialdiagnosis,BACK,6.Treatment,RemovalofthetraumaticfactorsTopicalmeasures,NEXT,V.ReitersSyndrome,1.Preface,Reiterssyndromeisadiseaseofunknowncausethatpredominantlyaffectsyoungmen,20-30yearsofage.,NEXT,2.Etiology,unknown,3.Clinicalfeature,Majorsymptoms:nongonococcalurethritis,conjunctivitis,arthritisOthersymptoms:oralulcer,circinatebalanitis,keratodermablennorrhagicum,NEXT,NEXT,orallesion,4.Diagnosis,historyclinicalcriteria,NEXT,5.Differentialdiagnosis,Thedifferentialdiagnosistheorallesionsincludeserythemamultiforme,Stevens-Johnsonsyndrome,psoriasis,BehetsDisease,geographictongue,andstomatitis.,NEXT,6.Treatment,Itisnonspecificandsymptomatic.Non-steroidalanti-inflammatorydrugs,salicylates,andtetracyclinesmaybehelpful,cyclosporin,azathioprine,methotrexate,andsystemicsteroidinseverecase.,BACK,Summary,TocomparethecharacteristicsofmajorAphthousulcer,traumaticulcer,carcinomaandtuberculousulcer.(etiology,pathology,clinicalfeature,treatment,prognosis).TomasterthetreatmentprincipleofulcerativediseasesbytakingRAUforexample.,NEXT,Tomastertheeffect,usage,contraindicationandside-effectofcorticosteroidintreatingulcerativediseases.ToestablishtheconceptionoforalmucosalsyndromebymeansoflearningBehetsdisease.,NEXT,Questions,WhichisthemostcommonformofRecurrentAphthousUlcer?Whatsthecharacteristicofitslesion?Whatstheeffectofcorticosteroidintreatingoralulcerativediseases?Whatstheprimarytreatmenttotraumaticulcer?,NEXT,TakingmajorAphthousulcerandcarcinomaforexample,trytotellthedifferencebetweenbenignulcerandmalignantulcer.WhataretheorallesionsofBehetsDiseaseandReitersSyndrome?Whataretheirclinicalsystemicfeatures?,BACK,肝癌是指发生于肝脏的恶性肿瘤，包括原发性肝癌和转移性肝癌两种，人们日常说的肝癌指的多是原发性肝癌。原发性肝癌是临床上最常见的恶性肿瘤之一，根据最新统计，全世界每年新发肝癌患者约六十万，居恶性肿瘤的第五位。原发性肝癌按细胞分型可分为肝细胞型肝癌、胆管细胞型肝癌及混合型肝癌。按肿瘤的形态可分为结节型、巨块型和弥漫型。原发性肝癌在我国属于高发病，一般男性多于女性。中国是乙肝大国，我国的肝癌多在乙肝肝硬化的基础上发展而来，丙肝病人也在逐渐增加，乙肝后也会发展为肝癌。目前我国发病人数约占全球的半数以上，占全球肝癌病人的55%，已经成为严重威胁我国人民健康和生命的一大杀手，其危险性不容小视。1发病原因总的来说，原发性肝癌的病因至今未能完全阐明，但已证明与以下因素密切相关：1、病毒性肝炎：流行病学统计表明，乙肝流行的地区也是肝癌的高发地区，患过乙肝的人比没有患过乙肝的人患肝癌的机会要高10倍之多。长期的临床观察中发现，肝炎、肝硬化、肝癌是不断迁移演变的三部曲。近来研究表明，与肝癌有关的病毒性肝炎主要包括乙型肝炎（HBV）、丙型肝炎（BCV），而其中又以乙型肝炎最为常见。2、酒精：俗话说“饮酒伤肝”，饮酒并不是肝癌的直接病因，但它的作用类似于催化剂，能够促进肝癌的发生和进展。有长期酗酒嗜好者容易诱发肝癌。这是因为