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논문 기본 정보

자료유형
학술저널
저자정보
조문준 (충남대학교 의과대학 치료방사선과학교실) 김기환 (충남대학교 의과대학 치료방사선과학교실) 김병국 (충남대학교 의과대학 이비인후과학교실) 송창준 (충남대학교 의과대학 진단방사선과학교실) 김준상 (충남대학교 의과대학 치료방사선과학교실) 김재성 (충남대학교 의과대학 치료방사선과학교실) 장지영 (충남대학교 의과대학 치료방사선과학교실)
저널정보
대한두경부종양학회 대한 두경부 종양 학술지 대한 두경부 종양 학술지 제17권 제1호
발행연도
2001.1
수록면
59 - 62 (4page)

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Objectives: We report an interim result of conformal radiotherapy in a patient with early stage cancer at the base of the tongue, which developed in a previously irradiated area. Materials and Methods: A 64-year-old male patient was diagnosed with T4N0M0 supraglottic cancer. He received 72Gy of radiation therapy from 21 November 1988 to 24 February 1989. He had local failure and underwent a salvage total laryngectomy on 28 August 1989. Subsequently, he did well. In early 1999, he suffered from throat pain. He had a 2.5cm ulcerative mass at the base of his tongue, in the area that had been irradiated previously. Biopsy showed squamous cell carcinoma. After workup, he was diagnosed with base of tongue cancer with T2N0M0. Surgery was not feasible because the morbidity was not acceptable. Since it was difficult to re-irradiate the area with a curable dose using conventional 2D radiation therapy with an acceptable morbidity, we decided to try conformal radiotherapy. We used 7 static beam ports with field sizes from $7x6.4\;to\;8x8cm^2$, using 6 and 10MV photons. The fractionation regimen was 1.8Gy, 5 times per week. He received 64.8Gy in 36 fractions from 9 April 1999 to 1 June 1999. Results: In the 21 months since radiotherapy, the patient has not experienced any acute or chronic complications, such as xerostomia. He experienced relief of pain shortly after the start of radiotherapy, showed a complete response, and is still doing well. Conclusion: Conformal radiotherapy can be used to treat cancer that develops within a previously irradiated field, with curative intent.

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