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I/II º´±â ºñ°­ Natural Killer/T Cell ¸²ÇÁÁ¾¿¡ ´ëÇÑ ¼øÂ÷Àû Ç×¾ÏÈ­Çпä¹ý°ú ¹æ»ç¼±Ä¡·á Sequential Chemoradiotherapy for Stage I/II Nasal Natural Killer/T Cell Lymphoma

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Abstract

¸ñ Àû: Ãʱ⠺´±â ºñ°­ natural killer/T-cell ¸²ÇÁÁ¾¿¡ ´ëÇÑ CHOP Ç×¾ÏÈ­Çпä¹ý°ú ±¹¼Ò ¹æ»ç¼±Ä¡·áÀÇ ¼øÂ÷Àû Àû¿ë °á°ú¸¦ º¸°íÇÏ°íÀÚ ÇÑ´Ù.

´ë»ó ¹× ¹æ¹ý: 1995³â 3¿ùºÎÅÍ 1999³â 12¿ù »çÀÌ¿¡ ¼º±Õ°üÀÇ´ë »ï¼º¼­¿ïº´¿ø Á¾¾ç¼¾Å¸¿¡ ºñ°­ I/II º´±ânatural killer/T-cell ¸²ÇÁÁ¾À¸·Î µî·ÏµÈ 17¸íÀÇ È¯ÀÚµé Áß 14¸íÀÇ È¯Àڵ鿡 ´ëÇÏ¿© ¼øÂ÷Àû Ç×¾ÏÈ­Çпä¹ý°ú ¹æ»ç¼±Ä¡·á¸¦ Àû¿ëÇÏ¿´°í À̵鿡 ´ëÇÑ ºÐ¼®À» ½ÃÇàÇÏ¿´´Ù. Ä¡·á¹æħÀº ¿ì¼± CHOP Ç×¾ÏÈ­Çпä¹ýÀ» 3ÁÖ °£°ÝÀ¸·Î 3¢¦4ȸ ½ÃÇàÇÑ ÈÄ 5ÁÖ°£¿¡ °ÉÃÄ À°¾ÈÀû º´º¯°ú ÀÎÁ¢ÇÑ ¸²ÇÁÀý ºÎÀ§¿¡ ´ëÇÑ ±¹¼Ò ¹æ»ç¼±Ä¡·á¸¦ Ãß°¡ÇÏ´Â °ÍÀ̾ú´Ù.

°á °ú: ¹æ»ç¼±Ä¡·áÀÇ ½ÃÀÛ Àü¿¡ ½ÃÇàÇÑ ±¹¼ÒÁ¾¾çÀÇ Ç×¾ÏÈ­Çпä¹ý¿¡ ´ëÇÑ ¹ÝÀÀÆò°¡´Â 50%ÀÇ È¯Àڵ鿡¼­ ¾çÈ£ÇÑ ¹ÝÀÀ(¿ÏÀü°üÇØ 5¸í+ºÎºÐ°üÇØ 2¸í)À» º¸¿´°í ³ª¸ÓÁö 50%ÀÇ È¯Àڵ鿡¼­´Â º´º¯ÀÌ ÁøÇàÇÏ¿´´Ù. 6¸íÀÇ È¯ÀÚ¿¡¼­ ±¹¼ÒÀç¹ßÀÌ ³ªÅ¸³µ´Âµ¥ À̵é Áß 2¸íÀº ¿ø°ÝÀüÀ̸¦ µ¿¹ÝÇÏ¿´°í, ¿µ¿ª ¸²ÇÁÀý Àç¹ßÀ» ¼ö¹ÝÇÑ °æ¿ì´Â ¾ø¾ú´Ù. 3³â »ýÁ¸À²°ú ¹«º´»ýÁ¸À²Àº 50.0%¿Í 42.9%¿´À¸¸ç, ¸ðµç »ç¸Á°ú Àç¹ß»ç·Ê´Â Ä¡·á°³½Ã ÈÄ 13°³¿ù À̳»¿¡ ¹ß»ýÇÏ¿´´Ù. ¿¹ÈÄÀÎÀÚÀÇ ´Üº¯·® ºÐ¼®¿¡¼­ ¡®B¡¯ Áõ»óÀÌ ¾ø´Â °æ¿ì, Ç×¾ÏÈ­Çпä¹ý°ú Àüü Ä¡·á¹æħ¿¡ ¾çÈ£ÇÑ ¹ÝÀÀÀ» º¸ÀÎ °æ¿ì, ±¹Á¦¿¹ÈÄÁöÇ¥»ó ÀúÀ§Ç豺 µîÀÌ ¾çÈ£ÇÑ »ýÁ¸À²°ú °ü·ÃÀÌ ÀÖ¾ú´Ù.

°á ·Ð: º» ¿¬±¸ÀÇ Ä¡·á¹æħ¿¡ ÀÇÇÑ °á°ú´Â °ú°ÅÀÇ ¹æ»ç¼±Ä¡·á ´Üµ¶ ¶Ç´Â ¹æ»ç¼±Ä¡·á ÈÄ Ç×¾ÏÈ­Çпä¹ý Ãß°¡¿¡ µû¸£´Â °á°úµé°ú ºñ±³ÇØ º¼ ¶§ Àç¹ß¾ç»ó°ú »ýÁ¸À²ÀÇ Ãø¸é¿¡¼­ À¯¸®ÇÑ Á¡ÀÌ ¾ø¾ú´Ù. µû¶ó¼­ ¹æ»ç¼±Ä¡·á¿Í Ç×¾ÏÈ­Çпä¹ýÀ» »õ·Î¿î º´¿ë¹æ¹ý¿¡ °üÇÑ ¿¬±¸°³¹ßÀÌ ¿ä¸ÁµÈ´Ù.

Purpose: Authors would report the results of sequential CHOP chemotherapy (cyclophosphamide, adriamycin, vincristine, and prednisone) and involved field radiotherapy (IFRT) for early stage nasal natural killer/T-cell lymphoma (NKTCL).

Materials and Methods: Fourteen among 17 patients, who were registered at the Samsung Medical Center tumor registry with stage I and II nasal NKTCL from March 1995 to December 1999 received this treatment protocol. Three to four cycles of CHOP chemotherapy were given at 3 weeks¢¥ interval, which was followed by local IFRT including the known tumor extent and the adjacent draining lymphatics.

Results: Favorable responses after chemotherapy (before IFRT) were achievable only in seven patients (5 CR¢¥s+2 PR¢¥s: 50%), while seven patients showed disease progression. There were six patients with local failures, two with distant relapses, and none with regional lymphatic failure. The actuarial overall survival and progression-free survival at 3 years were 50.0% and 42.9%. All the failures and deaths occurred within 13 months of the treatment start. The factors that correlated with the improved survival were the absence of ¡®B¡¯ symptoms, the favorable response to chemotherapy and overall treatment, and the low risk by international prognostic index on univariate analyses.

Conclusion: Compared with the historic treatment results by IFRT either alone or followed by chemotherapy, the current trial failed to demonstrate advantages with respect to the failure pattern and survival. Development of new treatment strategy in combining IFRT and chemotherapy is required for improving outcomes.

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¸²ÇÁÁ¾;Ç×¾ÏÈ­Çпä¹ý;¹æ»ç¼±Ä¡·á; Lymphoma;Chemotherapy;Radiation therapy

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