이하선암의 술후 방사선치료시 방사선치료 방법에 따른 치료 실패 양상 분석

• 영문명: Patterns of Failure According to Radiation Treatment Technique in the Parotid Gland Cancer
• 발행기관: 대한두경부종양학회
• 저자명: 이상욱(Sang wook Lee) 이창걸(Chang Geol Lee) 금기창(Ki Chang Keum) 박정수(Cheong Soo Park) 최은창(Eun Chang Choi) 신현수(Hyun Soo Shin) 추성실(Sung Sil Chu) 이석(Suk Lee) 조광환(Kwang Hwan Cho) 서창옥(Chang Ok Suh) 김귀언(Gwi Eon Kim)
• 간행물 정보: 『대한두경부종양학회지』제16권 제2호, 167~171쪽, 전체 5쪽
• 주제분류: 의약학 > 종양학
• 파일형태: PDF
• 발행일자: 2000.11.30

영문 초록

Objectives: To compare the outcomes of treatment with a focus on the effectiveness of the two primary techniques of radiation used for treating parotid gland malignancies. Materials and Methods: A retrospective analysis of 70 patients with parotid gland cancer treated between 1981-1997. Radiation was delivered through an ipsilateral field of high energy electron and photon in 37 patients(52.9%). Two wedge paired photon was used to treat in 33 patients(47.1%). The median dose was 60 Gy, typically delivered at 1.8-2.0Gy per fraction. The median follow-up times for surviving patients was 60 months. Results: The overall and disease free 5 year survival rates were 71.6% and 69.5%, respectively. Wedge paired photon and photon-electron treatment disease tree 5 year survival rates were 61.1% and 80.5%, respectively. Overall local failure rate was 18.6%. Local failure rate of wedge paired photon technique was higher than that of mixed beam technique. Late complication rate was 37.1%, but most of them were mild grade. Conclusion: Techniques of radiation were associated with local control. The technique of using an ipsilateral field encompassing the parotid bed and treated with high energy electrons often mixed photons was effective with minimal severe late toxicity. To irradiate deep sited tumors, we consider 3-D conformal treatment plan for well encompassing the target volume.

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대상 및 방법

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키워드

Radiotherapy technique Parotid gland cancer