外耳道胆脂瘤30例临床(英文).pdf

698 · · 现代生物医学进展 Progress in Modern Biomedicine Vol.11 NO.4 FEB.2011 Analysis of 30 Cases with External Auditory Canal Cholesteatoma 1 1 2 1 1 HOUXiao-Feng , ZHU Fu -Gao , SUN Mei-hong , ZHANG Jun -Yao , ZHANG Le ( 1 Dep artment of Otorhinolaryngology -Head and Neck Surgery; 2 Dep artment of Obstetrics, Affiliated Hosp ital of Medical College of Qingdao University, Qingdao 266003, Shandong, China) ABSTRACT Obj ective: To investigate the clinical features and the optimal treatment to improve clinical diagnosis and prognosis of external auditory canal cholesteatoma EACC . Methods: A retrospective study was carried out 30cases (32ears) with EACC were chosen. （ ） 12 ears whose lesion located in external auditory canal without bone destruction were cleared the lesion under ear endoscope; 10 ears whose lesion located in external auditory canal with extensive bone destruction or stenosis were cleared the cholesteatoma and done external auditory canal plasty by endaural incision under microscope; 10 ears whose lesion invaded into tympanic cavity or mastoid were done radical mastoidectomy by postauricular incision, if its fitting, typanoplasty was done in addition. Results: All the patients were diag- nosed EACC in pathology. After surgery, the external auditory canal generous was kept, and the skin returned to normal to prevent epithelium accumulating. They had no reoccurrence in more than one years following up. Conclusions: The combination of endoscope and microscope could remove cholesteatoma completely which will prevent residue and recurrence and improve hearing. Key words: Cholesteatoma of external