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³ú ½Å°æ±³Á¾ÀÇ ¼ö¼ú ÈÄ ¹æ»ç¼±Ä¡·á Postoperative Radiotherapy for Low Grad Glioma of the Brain

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Abstract

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º¸°íÀÚ ÇÔÀÌ º» ¿¬±¸ÀÇ ¸ñÀûÀÌ´Ù.
´ë»ó ¹× ¹æ¹ý : 1985³â 6¿ùºÎÅÍ 1998³â 5¿ù±îÁö º»¿ø Ä¡·á¹æ»ç¼±°ú¿¡¼­ ¼ö¼ú ÈÄ ¿ÜºÎ ¹æ
»ç¼± Ä¡·á¸¦ ¹ÞÀº 72¸íÀÇ ³ú ½Å°æ±³Á¾ ȯÀÚ¸¦ ÈÄÇâÀûÀ¸·Î ºÐ¼®ÇÏ¿´´Ù. ȯÀÚ ³ªÀÌÀÇ Áß¾Ó°ª
Àº 37¼¼¿´À¸¸ç ³²³àºñ´Â 41¸í ´ë 31¸í¿´´Ù. 15¸íÀÇ È¯ÀÚ¿¡¼­´Â Á¶Á÷°Ë»ç¸¸À» ½ÃÇàÇÏ¿´°í ³ª
¸ÓÁö 57¸íÀÇ È¯ÀÚ¿¡¼­ ¾ÆÀýÁ¦¼úÀ» ½ÃÇàÇÏ¿´´Ù. Á¶Á÷°Ë»ç ¼Ò°ß¿¡ µû¸¥ ȯÀÚÀÇ ºÐÆ÷´Â ¼º¼¼Æ÷
Á¾ ȯÀÚ°¡ 42¸í¿´À¸¸ç È¥ÇÕ ÇÌÁö½Å°æ±³Á¾ ȯÀÚ´Â 19¸í, ÇÌÁö½Å°æ±³Á¾ ȯÀÚ´Â 11¸í¿´´Ù. 2¸í
ÀÇ È¯ÀÚ´Â ³úÀüü¸¦ Á¶»ç¹ÞÀºÈÄ Ãà¼ÒÁ¶»ç¾ß·Î Ä¡·á¸¦ ¹Þ¾Ò°í 70¸íÀÇ È¯Àڴ óÀ½ºÎÅÍ Á¶»ç
¸¦ ½ÃÇàÇÏ¿´´Ù. ¸ðµç ȯÀÚ´Â ÇÏ·ç¿¡ ÇÑ ¹ø ÀüÅëÀûÀÎ ¹æ»ç¼± ºÐÇÒ¿ä¹ýÀ¸·Î Ä¡·áÇÏ¿´´Ù. ´ëºÎ
ºÐÀÇ È¯ÀÚ´Â 5000-5500 cGyÀÇ ÃÑ ¹æ»ç¼±¾çÀ» Á¶»ç¹Þ¾Ò´Ù.
°á°ú : 72¸í Àüü ȯÀÚÀÇ 5³â ¹× 7³â »ýÁ¸À²Àº °¢°¢ 48%¿Í 45%, 76%¿Í 56%, ¹× 80% ¿Í
52%¿´´Ù. ¾ÆÀýÁ¦¼úÀ» ½ÃÇàÇÑ È¯ÀÚ´Â Á¶Á÷°Ë»ç¸¸À» ½ÃÇàÇÑ È¯ÀÚ¿Í ºñ±³ÇÏ¿© ³ôÀº »ýÁ¸À²À»
³ªÅ¸³»¾ú´Ù. ¾ÆÀýÁ¦¼úÀ» ½ÃÇàÇÑ 57¸í ȯÀÚÀÇ 5³â »ýÁ¸À²Àº 67%¿´°í Á¶Á÷°Ë»ç¸¸À» ½ÃÇà¹ÞÀº
15¸í ȯÀÚÀÇ 5³â »ýÁ¸À²Àº 43%¿´´Ù. 40¼¼ ÀÌÇÏ 46¸íÀÇ È¯ÀÚ´Â 5³â »ýÁ¸À²ÀÌ 69%·Î¼­ 41¼¼
ÀÌ»ó 26¸íÀÇ È¯ÀÚ¿¡¼­ÀÇ 5³â »ýÁ¸À² 45%º¸´Ù ÁÁÀº »ýÁ¸À²À» ³ªÅ¸³»¾ú´Ù. ºñ·Ï ȯÀÚ ÇѸíÀÌ
Ä¡·á Áß Ä¡·á¸¦ Áß´ÜÇÏ¿´À¸³ª À¯ÀÇÇÑ ¹æ»ç¼±Ä¡·á¿¡ ÀÇÇÑ ±Þ¼ºÇÕº´ÁõÀº °üÂûµÇÁö ¾Ê¾Ò´Ù.
°á·Ð : ³ú ½Å°æ±³Á¾ÀÇ ¼ö¼úÈÄ ¹æ»ç¼±Ä¡·á´Â ¾ÈÀüÇÏ°í È¿°úÀûÀÎ Ä¡·á¿ä¹ý¿´´Ù. ±×·¯³ª ³ú
½Ã°æ±³Á¾ ȯÀÚ¿¡¼­ ÃÖÀûÀÇ ¹æ»ç¼± ½Ã±â ¹× °èȹÀ» ¼ö¸³ÇÏ°í ¼­·Î ´Ù¸¥ Ä¡·á¹æħ¿¡ ¸Â´Â ȯ
ÀÚ¸¦ ±¸ºÐÇϱâ À§ÇÏ¿© º¸´Ù Àß Â¥¿©Áø ¼±ÇàÀû Àӻ󿬱¸°¡ ÇÊ¿äÇϸ®¶ó »ç·áµÈ´Ù.

Purpose : To evaluate the effectiveness and tolerance of postoperative external beam
radiotherapy for patients with low grade glioma of the brain and define the optimal
radiotherapeutic regimen.
Materials and Methods : Between June, 1985 and May, 1998, 72 patients with low
grade gliomas were treated with postoperative radiotherapy immediately following
surgery. Median age was 37 years with range of 11 to 76 years. Forty one patients
were male and 31 patients were female with male to female ratio of 1.3:1. Of those
patients, 15 underwent biopsy alone and remaining 57 did subtotal resection. The
distribution of the patients according to histologic type was as follows: astrocytomas-42
patients (58%), mixed oligodendrogliomas-19 patients (27%), oligodendrogliomas-11
patients (15%). Two patients were treated with whole brain irradiation followed by cone
down boost and remaining 70 patients were treated with localized field with appropriate
margin. All of the patients were treated with conventional once a day fractionation.
Most of patients received total tumor dose of 5000¡­5500 cGy.
Results : The overall 5 and 7 year survival rates for entire group of 72 patients were
61% and 50%. Corresponding disease free survival rates for entire patients were 53%
and 45%, respectively. The 5 and 7 year overall survival rates for astrocytomas, mixed
oligodendrogliomas, and oligodendrogliomas were 48% and 45%, 76% and 56%, and 80%
and 52%, respectively. Patients who underwent subtotal resection showed better survival
rates than those who didi biopsy alone. The overall 5 year survival rates for subtotal
resection patient sand biopsy alone patients were 67% and 43%, respectively. Forty six
patients who were 40 years or younger survived better than 26 patients who were 41
years or older (overall survival rate at 5 years, 69% vs 45%). Although one patient was
not able to complete the treatment because of neurological deterioration, there was no
significant treatment related acute toxicities.
Conclusion : Postoperative radiotherapy was safe and effective treatment for patients
with low grade gliomas. However, we probably need prospective randomized trial to
define optimal treatment timing and schedule for low grade gliomas and select patient
group for different treatment philosophies.

Å°¿öµå

¹æ»ç¼± Ä¡·á; ½Å°æ±³Á¾; ¼º¼¼Æ÷Á¾; ÇÌÁö½Å°æ±³Á¾; Radiotherapy; Low grade glioma; Astrocytoma; Oligodendroglioma;

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