내이도 종양에서 종양기원의 예측

• 영문명: Prediction of Tumor Origin in Intracanalicular Schwannoma
• 발행기관: 대한두개저학회
• 저자명: 박헌이(Hun Yi Park) 김성헌(Sung Huhn Kim) 이종대(Jong Dae Lee) 손은진(Eun Jin Son) 이호기(Ho-Ki Lee) 이원상(Won-Sang Lee)
• 간행물 정보: 『대한두개저학회지』제1권 제1호, 30~34쪽, 전체 5쪽
• 주제분류: 의약학 > 일반외과학
• 파일형태: PDF
• 발행일자: 2006.06.30

영문 초록

This study was performed to investigate the capability of preoperative evaluations in predicting the precise anatomic origin of intracanalicular tumors. We conducted a retrospective case review of 11 patients (8 male, 3 female; 26-70 yr of age) with intracanalicular tumors that were treated surgically. Data included preoperative pure tone audiogram, auditory brainstem response, caloric test, electroneurographies and temporal MRIs. Postoperatively, facial nerve schwannomas were diagnosed pathologically in two of 11 patients (18%). There were no clues suggesting facial nerve schwannoma in preoperative evaluations: A facial nerve schwannoma may be misdiagnosed as a vestibular schwannoma, especially when the tumor is confined to the internal auditory canal. There are no useful preoperative evaluation tools to predict precisely the origins of intracanalicular tumors. These emphasize the need to fully inform the patient preoperatively.

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키워드

Facial nerve Schwannoma Vestibular nerve Internal auditory canal