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Abstract

¸ñÀû: ¼ö¼ú Àü µ¿½Ãº´¿ë ¹æ»ç¼±-Ç×¾Ï È­ÇÐ ¿ä¹ýÀÇ Ãʱâ Ä¡·á¼ºÀû°ú ±Þ¼º ºÎÀÛ¿ë¿¡ ´ëÇØ ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù. ´ë»ó ¹× ¹æ¹ý: 1999³â 6¿ùºÎÅÍ 2002³â 4¿ù±îÁö T3 ¶Ç´Â T4 º´±âÀÇ Á÷Àå¾ÏÀ¸·Î Áø´Ü ¹Þ°í ¿ÏÀüÀýÁ¦°¡ ¾î·Æ°Å³ª, Á¾¾çÀÌ ÇϺÎÁ÷Àå¿¡ À§Ä¡ÇÏ¿© ¼ö¼ú ½Ã Ç×¹® °ý¾à±ÙÀÇ
º¸Á¸ÀÌ ºÒ°¡´ÉÇϸ®¶ó°í ¿¹°ßµÈ 40¸íÀÇ È¯ÀÚ¿¡°Ô ¼ö¼ú Àü µ¿½Ãº´¿ë ¹æ»ç¼±-Ç×¾Ï È­Çпä¹ýÀ» Àû¿ëÇÏ¿© 37¸íÀÇ È¯ÀÚ°¡ ¼ö¼ú Àü Ä¡·á¹æħÀ» ¿Ï·áÇÏ¿´´Ù. ¹æ»ç¼±Ä¡·á´Â Àü °ñ¹ÝºÎ¿¡ ÀÏÀÏ 1.8 Gy¾¿ 5ÁÖ°£¿¡ 45 Gy¸¦ ¾þµå¸° ÀÚ¼¼·Î Á¶»çÇÏ¿´´Ù. Ç×¾Ï È­Çпä¹ýÀº °æ±¸ UFT¿Í
Leucovorin (LV)(12¸í), Á¤ÁÖ 5-fluorouracil (FU)¿Í LV (10¸í), Á¤ÁÖ 5-FU ´Üµ¶¿ä¹ý(ÀϽà Á¤ÁÖ 10¸í, Áö¼Ó Á¤ÁÖ 5¸í)À» °¢°¢ ½ÃÇàÇÏ¿´´Ù. ¼ö¼úÀº ¼ö¼ú Àü Ä¡·á Á¾·á ÈÄ 4~6ÁÖ°æ¿¡ ¿¹Á¤ÇÏ¿´À¸¸ç 35¸í¿¡ ´ëÇؼ­ ¼ö¼úÀ» ½ÃµµÇÏ¿´´Ù. °á°ú: º» ¿¬±¸ÀÇ ¼ö¼ú Àü ¹æ»ç¼±-Ç×¾Ï
È­Çпä¹ý¿¡ ´ëÇÑ ¼øÀÀµµ´Â ¸Å¿ì ³ô¾Ò´Ù(92.5%, 37/40). ¼ö¼ú Àü¿¡ °£°ú Æó¿¡ »õ·Î¿î ¿ø°ÝÀüÀÌ°¡ È®ÀÎµÈ 2¸íÀ» Á¦¿ÜÇÑ 35¸íÀÇ È¯ÀÚ¿¡¼­ ÀýÁ¦¼ö¼úÀ» ½ÃµµÇÏ¿´°í, 22¸í(62.9%)¿¡¼­ Ç×¹® °ý¾à±ÙÀÇ º¸Á¸ÀÌ °¡´ÉÇÏ¿´À¸³ª, 2¸í(5.7%)Àº °³º¹ ÈÄ ÀýÁ¦¼ö¼úÀ» Æ÷±âÇÏ¿´´Ù. ÀýÁ¦¼ö¼úÀ»
½ÃÇàÇÑ 33¸í Áß 30¸íÀº À°¾ÈÀû ¿ÏÀüÀýÁ¦¸¦, 1¸íÀº À°¾ÈÀû ºÒ¿ÏÀüÀýÁ¦¸¦ ½ÃÇàÇÏ¿´À¸¸ç 2¸íÀº º´¸®¼Ò°ß¿¡ °üÇÑ Á¤º¸¸¦ ¾òÀ» ¼ö ¾ø¾ú´Ù. ¼ö¼ú ¹× º´¸®¼Ò°ß¿¡ ±Ù°ÅÇÑ º´±âÇÏ°­·üÀº 45.5% (15/33), ÀýÁ¦¿¬ À½¼º ¿ÏÀüÀýÁ¦À²Àº 78.8% (26/33)¿´´Ù. ¼ö¼ú Àü ¹æ»ç¼±Ä¡·á µµÁß ±Þ¼º
ºÎÀÛ¿ëÀ¸·Î Grade 3~4 È£Áß±¸ °¨¼Ò°¡ 4¸í(10.8%)¿¡¼­ ¹ß»ýÇÏ¿´´Ù. ÀýÁ¦¼ö¼ú ÈÄ ±¹¼Ò Àç¹ßÀÌ 12.1% (4/33), ¼ö¼ú Àü Ä¡·á¹æħ ¿Ï·á ÈÄ ¿ø°Ý ÀüÀÌ´Â 21.6% (8/37)¿¡¼­ °¢°¢ ³ªÅ¸³µÀ¸¸ç, 3³â »ýÁ¸À²Àº 87%¿´´Ù. °á·Ð: Á÷Àå¾Ï¿¡ ´ëÇÑ ¼ö¼ú Àü µ¿½Ãº´¿ë ¹æ»ç¼±-Ç×¾Ï È­Çпä¹ýÀº
³·Àº ºÎÀÛ¿ëÀ¸·Î ³ôÀº ¼ö¼úÀýÁ¦À², º´±âÇÏ°­·ü, ¿ÏÀüÀýÁ¦À², Ç×¹® °ý¾à±Ù º¸Á¸À² µîÀ» ¾òÀ» ¼ö ÀÖ´Â È¿°úÀûÀÎ ¹æ¹ýÀ¸·Î ÆÇ´ÜµÇ¸ç ¾ÕÀ¸·Î Àå±â°£¿¡ °ÉÄ£ ÃßÀû°üÂûÀ» ¿äÇÑ´Ù.

PURPOSE: To report the early results of preopeartive concurrent radio-chemotherapy (CRCT) for treating rectal cancer. MATERIALS AND METHODS: From June 1999 to April 2002, 40 rectal cancer patients who either had lesions with a questionable resectability
or were candidates for sphincter-sacrificing surgery received preoperative CRCT. Thirty-seven patients completed the planned CRCT course. 45 Gy by 1.8 Gy daily fraction over 5 weeks was delivered to the whole pelvis in the prone position. The
chemotherapy regimens were oral UFT plus oral leucovorin (LV) in 12 patients, intravenous bolus 5-FU plus LV in 10 patients, and intravenous 5-FU alone in 15 patients (bolus infusion in 10, continuous infusion in 5). Surgery was planned in 4~6 weeks of
the completion of the preoperative CRCT course, and surgery was attempted in 35 patients. RESULTS: The compliance to the current preoperative CRCT protocol was excellent, where 92.5% (37/40) completed the planned treatment. Among 35 patients, in whom
surgery was attempted after excluding two patients with new metastatic lesions in the liver and the lung, sphincter-preservation was achieved in 22 patients (62.9%), while resection was abandoned during laparotomy in two patients (5.7%). Gross complete
resection was performed in 30 patients, gross incomplete resection was performed in one patient, and no detailed information on the extent of surgery was available in two patients. Based on the surgical and pathological findings, the down-staging rate
was 45.5% (15/33), and the complete resection rate with the negative resection margin 78.8% (26/33). During the CRCT course, grade 3~4 neutropenia developed in four patients (10.8%). Local recurrence after surgical resection developed in 12.1% (4/33),
and distant metastases after the preoperative CRCT start developed in 21.6% (8/37). The overall 3-years survival rate was 87%. CONCLUSION: Preoperative CRCT in locally advanced rectal cancer is well tolerated and can lead to high resection rate,
down-staging rate, sphincter preservation rate, however, longer term follow-up will be necessary to confirm these results.

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Á÷Àå¾Ï; ¼ö¼ú Àü Ä¡·á; µ¿½Ãº´¿ë ¹æ»ç¼±-Ç×¾Ï È­Çпä¹ý; Rectal cancer; Preoperative treatment; Concurrent radio-chemotherapy;

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