第七章_口腔颌面部肿瘤课件.ppt

Prof. Liu JianhuaPhD. MS. DDS.Dept. of Oral-Maxillofacial Surg. DentistryFirst affiliated hospitalZhejiang university school of medicine Tumorsin oral maxillo-facial region Naming：original tissue, biological type, position. Such as: squamous cell carcinoma of right tongue Critical t. ：biologically benign tumor, but has malignant tendency and infiltrating growth. such as：ameloblastoma, mixed tumor, papiloma. manifestations diagnosis Judgement of a mass on patient ： 1）tumor / not tumor(inflam. TB, malformation, etc.) 2）benign / malignant Differentiation benign tumor malignant tumor Age any age carcinoma/agedness；sarcoma/young Growth speed slow faster Growth manner bulge invasive Boundary smooth，movable unclear，unmovable Symptom generally no painful/numbness/funct.limmit Metastasis no maybe Body affect generally no organ destroy/system destroy Histology struct. well differentiated worse diff./abn. nuclear close to norm.cell/tissue division； Means of diagnosis 1）case history：arise，progress 2）clinical examine：look、touch、 listen to(with stethoscope ) 3）image：X-ray，panoramic radiograph，CT，MRI， DSA，B-ultrasonic，PET/CT 4）puncture：for liquid 5）biopsy：no melanoma/parotid g. 6）tumor markers：CEA, AFP, CA50/125/153/242/724 etc. treatment 1）treatment principle ：benign tumor—surgery first；malignant t.—combined 2）methods ： Surgery. ：safe edge—1 cm for malignacy Radiotherapy. ：oral preparation—remove ill tooth and metal crown; fill decayed tooth; tooth cleaning---(to prevent jaw infection, necrosis, redial beam focus) Chemotherapy：before,during, post-operation others：thermothe