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ÁøÇàµÈ µÎ°æºÎ¾Ï¿¡¼­ ´ÙºÐÇÒ ¹æ»ç¼±Ä¡·á Hyperfractionation Radiation Therapy in Advanced Head and Neck Cancer

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Abstract

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¹æ»ç¼±Ä¡·á¸¦ ½ÃÇàÇÑ È¯ÀÚ 24¸íÀ» ´ë»óÀ¸·Î ÇÏ¿´´Ù. ȯÀÚÀÇ ¿¬·ÉºÐÆ÷´Â 38¼¼¿¡¼­ 71¼¼·Î Áß¾Ó°ª 56¼¼À̾ú´Ù. º´±âº°·Î 3±â 11¸í, 4±â 13¸íÀ̾úÀ¸¸ç ³²ÀÚ°¡ 21¸íÀ̾ú°í ºñÀÎµÎ¾Ï 6¸í, ÇÏÀÎµÎ¾Ï 6¸í, ÈÄµÎ¾Ï 5¸í, ±¸°­ÀÎµÎ¾Ï 3¸í, ºÎºñµ¿¾Ï 3¸í, ±¸°­¾Ï 1¸íÀ̾ú´Ù.
¹æ»ç¼±Ä¡·á´Â 6 MV x-¼±À¸·Î 1ÀÏ 2ȸ, ÃÖ¼Ò 6½Ã°£ °£°ÝÀ¸·Î ºÐÇÒÁ¶»ç·® 1.2 Gy ½ÃÇàÇÏ¿© ÃÑÄ¡·á¼±·®Àº 64.4 Gy¿¡¼­ 76.8 Gy·Î Æò±ÕÃѹæ»ç¼±·®Àº 72 GyÀ̾ú´Ù. ÃßÀû°üÂû±â°£Àº 3°³¿ù¿¡¼­ 136°³¿ùÀ̾ú°í Áß°£ ÃßÀû°üÂû±â°£Àº 52°³¿ùÀ̾ú´Ù. °á°ú: ÀüüȯÀÚÀÇ 3³â »ýÁ¸À²°ú
5³â »ýÁ¸À²Àº °¢°¢ 66.7%, 52.4%À̾ú°í Àüü ȯÀÚÀÇ 3³â ¹«º´»ýÁ¸À²Àº 66.7%, 5³â ¹«º´»ýÁ¸À²Àº 47.6%À̾ú´Ù. º´±âº°·Î 3³â, 5³â ¹«º´»ýÁ¸À²Àº 3±â´Â 81.8%, 63.6%, 4±â´Â 53.8%, 32.3%À̾ú´Ù. ±¹¼Ò Àç¹ßÀ̳ª ¿ø°ÝÀüÀÌÀÇ ¼Ò°ß ¾øÀÌ »ýÁ¸ÇØ Àִ ȯÀÚ°¡ 10¸íÀÌ¸ç ¿ø°ÝÀüÀÌ´Â
25%, ±¹¼ÒÀç¹ßÀº 12.5%·Î ¿ø°ÝÀüÀÌ°¡ ÁÖµÈ ½ÇÆпøÀÎÀ̾ú´Ù. ¿ø°ÝÀüÀÌÀÎÁö ±¹¼Ò Àç¹ßÀÎÁö ºÐ¸íÇÏÁö ¾ÊÀº °æ¿ì°¡ 2¸í, ´Ù¸¥ ¿øÀÎÀ¸·Î »ç¸ÁÇÑ °æ¿ì°¡ 3¸íÀ̾ú´Ù. ¿ø°ÝÀüÀÌ Àå¼Ò´Â Æó 3¸í, »À 1¸í, °£ 2¸íÀ̾úÀ¸¸ç 1¸í¿¡¼­ ½Äµµ¿¡ 2Â÷¾ÏÀÌ ¹ß»ýÇÏ¿© »ç¸ÁÇÏ¿´´Ù. ÃßÀû°üÂû±â°£
Áß 1¸í¿¡¼­ ¹æ»ç¼±Ä¡·á ÈÄ 58°³¿ù¿¡ ÇϾǰñ±«»ç·Î ¼ö¼úÇÑ °æ¿ì¸¦ Á¦¿ÜÇÏ°í Áߵ ÀÌ»óÀÇ ½É°¢ÇÑ ¸¸¼ººÎÀÛ¿ëÀÌ ¹ß»ýÇÑ È¯ÀÚ´Â ¾ø¾ú´Ù. °á·Ð: ´ë»ó ȯÀÚÀÇ ¼ö´Â ÀûÀ¸³ª ÁøÇàµÈ º´±âÀÇ µÎ°æºÎ¾Ï¿¡¼­ ´ÙºÐÇÒ ¹æ»ç¼±Ä¡·á¹ýÀÌ ±Þ¼º ºÎÀÛ¿ëÀº ´Ù¼Ò Áõ°¡Çϳª ¸¸±âºÎÀÛ¿ëÀÇ Áõ°¡
¾øÀÌ ±¹¼Ò Àç¹ßÀÇ °¨¼Ò¿Í ¹«º´»ýÁ¸À²À» Áõ°¡½Ãų ¼ö ÀÖÀ» °ÍÀ̶ó°í »ý°¢ÇÑ´Ù.

PURPOSE: The effects of hyperfractionation radiation therapy, such as the failure pattern and survival, on the treatment results in advanced stage head and neck cancer were studied. MATERIALS AND METHODS: Between September 1990 and October 1998, 24
patients with advanced stage (III, IV) head and neck cancers, were treated using hyperfractionation radiation therapy in the Department of Radiation Oncology at the Keimyung University Dongsan Medical Center. The male to female ratio was 7:1, and the
age range from 38 to 71 years with the median of 56 years. With regard to the TNM stage, 11 patients were stage III and 13 were stage IV. The sites of primary cancer were the nasopharynx in six, the hypopharynx in 6, the larynx in five, the oropharynx
in three, the maxillary sinus in three, and the oral cavity in one patient. The radiotherapy was delivered by 6 MV X-ray, with a fraction size of 1.2 Gy at two fractions a day, with at least 6 hours inter-fractional interval. The mean total radiation
doses was 72 Gy, (ranging from 64.4 to 76.8 Gy). Follow-up periods ranged between 3 and 136 months, with the median of 52 months. RESULTS: The overall survival rates at 3 and 5 years in all patients were 66.7% and 52.4%. The disease-free survival rates
at 3 and 5 years (3YDFS, 5YDFS) in all patients were 66.7% and 47.6%. The 3YDFS and 5YDFS in stage III patients were 81.8% and 63.6%, and those in stage IV patients were 53.8% and 32.3%. Ten patients were alive with no local nor distant failures at the
time of analyses. Six patients (25%) died due to distant metastasis and 12.5% died due to local failure. Distant metastasis was the major cause of failure, but 2 patients died due to unknown failures and 3 of other diseases. The distant metastasis sites
were the lung (3 patients), the bone (1 patient), and the liver (2 patients). One patient died of second esophageal cancer. There were no severe late complications, with the exception of 1 osteo-radionecrosis of the mandible 58 months after treatment.
CONCLUSION: Although this study was performed on small patients group, we considered hyperfractionated radiation therapy for the treatment of advanced stage head and neck cancer might improve the disease free survival and decrease the local failure with
no increase in late complications despite of the slight increase in acute complications.

Å°¿öµå

µÎ°æºÎ¾Ï; ´ÙºÐÇÒ ¹æ»ç¼±Ä¡·á; ¹«º´»ýÁ¸À²; ½ÇÆоç»ó ºÎÀÛ¿ë; Head and neck cancer; Hyperfractionation; Radiation; Disease free survival; Failure; Complication;

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