| Clinical Result of Combined Radiotherapy and Hyperthermia Induced by 915 MHz Microwave and Ultrasound in Locally Advanced Malignant Tumors of Head and Neck |
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Kyoung Hwan Koh;Young Hwan Park;Chul Koo Cho;Seong Yul Yoo |
| 915 MHz 극초단파 및 초음파를 이용한 온열치료와 방사선치료 병합치료에 의한 두경부암의 치료성적 |
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고경환;박영환;조철구;류성렬 |
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| Abstract |
Thirty five lesions of 35 patients with locally advanced malignant tumors of head and neck were received thermoradiotherapy with ultrasound and/or 915 MHz microwave. Most of all patients were failed with previous conventional therapeutic trial.
Hyperthermia had been done immediately after radiotherapy, twice a week, 43℃ for one hour and radiotherapy had been done 5 fractions per week with a fraction size of 2 Gy up to total 30 to 60 Gy.
Conclusions
are as follows;
1) Total response rate (CR+PR) of thermoradiotherapy with microwave and ultrasound was 80%.
2) Tumor depth, minimum temperature of tumor center, number of heat fraction and irradiation dose were statistically significant factors affecting response.
3) Hyperthermia with microwave and ultrasound can be used efficiently to control locally advanced malignant tumors in head and neck whether previously received near tolerance dose of radiotherapy or not. |
| Key Words:
Microwave, Ultrasound, Hyperthermia, Radiotherapy, Malignant tumor, Head and neck |
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