학술논문
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- 영문명
- Experience with the Malignancies of the External Auditory Canal: 21 cases
- 발행기관
- 대한두개저학회
- 저자명
- 정종인(Jong In Jeong) 조양선(Yang Sun Cho) 추호석(Ho Suk Chu) 홍성화(Sung Hwa Hong) 정원호(Won Ho Chung) 백정환(Chung Hwan Baek) 정한신(Han Sin Jeong) 정만기(Man Ki Chung)
- 간행물 정보
- 『대한두개저학회지』제4권 제1호, 13~18쪽, 전체 6쪽
- 주제분류
- 의약학 > 일반외과학
- 파일형태
- 발행일자
- 2009.06.30
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영문 초록
Background and Objectives:The malignances of external auditory canal(EAC) are very rare diseases and have very poor prognosis. Numerous staging systems have been proposed to classify patients before treatment. To treat the diseases, multimodal therapy is performed. The aim of this study was to review our experiences of the treatments for the malignances of EAC, and to propose most effective treatments according to the stage. Subjects and Method:Twenty-one patients with the malignances of EAC diagnosed between November 1994 and December 2009 were analyzed. The patients were analyzed according to the Pittsburgh staging system and histopathological findings. Results:The number of patients staged as T1, T2, T3, and T4 were 4, 2, 2, and 13, respectively. Surgical treatments were performed in 13 patients using lateral temporal bone resection, subtotal temporal bone resection. Initial or postoperative radiotherapies were performed in 13 patients. After the treatment, the mean disease free survival periods of 5 patients (23.8%) who are still alive without the disease was 27.8 months, and 4 patients (19%) expired within the mean periods of 11.8 months. Conclusion:We suggest that en-bloc resection with or without radiation therapy is the best treatment for the malignancies of the external auditory canal. A positive resection margin or residual tumor should be considered as worst prognostic factor.
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