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±¹¼Ò ÁøÇàµÈ ÇÏÀεξÏÀÇ ¼±Çà Ç×¾ÏÈ­Çпä¹ý ÈÄ ¹æ»ç¼±Ä¡·á Neoadjuvant Chemotherapy and Radiotherapy in Locally Advanced Hypopharyngeal Cancer

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±è¼öÁö/Suzy Kim ¿ìÈ«±Õ/Çã´ë¼®/¹ÚÂùÀÏ/Hong-Gyun Wu/Dae-Seog Heo/Charn Il Park

Abstract

¸ñ Àû : ±¹¼Ò ÁøÇàµÈ ÇÏÀεξϿ¡¼­ ¼±Çà Ç×¾ÏÈ­Çпä¹ý°ú ¹æ»ç¼±Ä¡·á¸¦ ½ÃÇàÇßÀ» ¶§ °á°ú¿Í °¢ Ä¡·á¹ý¿¡ ´ëÇÑ ¹ÝÀÀÀÌ »ýÁ¸À²¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ º» ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.
´ë»ó ¹× ¹æ¹ý : ±¹¼Ò ÁøÇàµÈ ÇÏÀεξÏÀ¸·Î Áø´Ü¹Þ°í ¼±Çà Ç×¾ÏÈ­Çпä¹ý°ú ¹æ»ç¼±Ä¡·á¸¦ ¹ÞÀº 32¸íÀÇ È¯ÀÚ¸¦ ´ë»óÀ¸·Î ÈÄÇâÀû ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù. ¹æ»ç¼±Ä¡·á´Â ÀÏÀÏ ¼±·® 1.75¡­2.0 Gy¸¦ ÇÏ·ç 1ȸ, ÁÖ 5ȸ Á¶»çÇÏ¿´´Ù. ÃÑ ¹æ»ç¼±·®Àº 60.8¡­73.8 Gy (Æò±Õ¼±·® 68.6
Gy)
À̾ú´Ù. ¼±Çà Ç×¾ÏÈ­Çпä¹ýÀº 29¸íÀÇ È¯ÀÚ¿¡¼­ 5-FU¿Í cisplatinÀ» º´¿ëÇß°í ³ª¸ÓÁö ȯÀڵ鿡¼­´Â cisplatinÀ» ±âº»À¸·Î ÇÏ¿© bleomycin¶Ç´Â vinblastinÀ» º´¿ë Åõ¿©Çß´Ù. 24¸í(75%)ÀÇ È¯ÀÚ¿¡¼­ 3ÁÖ °£°ÝÀ¸·Î 3ȸÀÇ ¼±Çà Ç×¾ÏÈ­Çпä¹ýÀ» ¸ðµÎ ½ÃÇàÇÏ¿´°í, 6¸í¿¡¼­
2ȸ,
2¸í¿¡¼­ 1ȸÀÇ Ç×¾ÏÈ­Çпä¹ýÀ» ½ÃÇàÇÏ¿´´Ù.
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ÈÄ¿¡
5¸í(16%)¿¡¼­ ¿ÏÀü°üÇظ¦ º¸¿´°í, 19¸í(59%)¿¡¼­ ºÎºÐ°üÇØ, 8¸í(25%)ÀÇ È¯ÀÚ¿¡¼­ ¹«¹ÝÀÀÀ» º¸¿© ¹ÝÀÀ·üÀº 75%¿´´Ù. ºÎºÐ°üÇظ¦ º¸ÀÎ 19¸í °¡¿îµ¥ 8¸íÀº ¹æ»ç¼±Ä¡·á ÈÄ¿¡ ¿ÏÀü°üÇظ¦ º¸¿´´Ù. ¼±Çà Ç×¾ÏÈ­Çпä¹ý¿¡ ´ëÇØ ¹«¹ÝÀÀÀ̾ú´ø 8¸í Áß 2¸íÀº ¹æ»ç¼±Ä¡·á ÈÄ¿¡
¿ÏÀü°üÇظ¦ º¸¿´°í, ³ª¸ÓÁö 6¸íÀº ºÎºÐ°üÇظ¦ º¸¿´´Ù. ¸ðµç Ä¡·á°¡ Á¾·áÇÑ ÈÄ ¹«¹ÝÀÀÀΠȯÀÚ´Â ÇÑ ¸íµµ ¾ø¾ú´Ù. ¼±Çà Ç×¾ÏÈ­Çпä¹ý¿¡ ´ëÇؼ­ ¿ÏÀü°üÇØ, ºÎºÐ°üÇØ, ¹«¹ÝÀÀÀ» º¸ÀΠȯÀÚ±ºº°·Î 5³â »ýÁ¸À²Àº °¢°¢ 60%, 35.1%, 50%¿´´Ù. ¼¼ ±º°£¿¡ 5³â »ýÁ¸À²À»
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½Ç½ÃÇßÀ» ¶§,
Åë°èÇÐÀûÀ¸·Î À¯ÀǼºÀÌ ÀÖ¾ú´ø ¿äÀÎÀº ¹æ»ç¼± Ä¡·á ÈÄ ÃÖÁ¾ Ä¡·á¹ÝÀÀÀ̾ú´Ù(CR vs. PR, p<0.01).
°á ·Ð : ±¹¼Ò·Î ÁøÇàµÈ ÇÏÀεξÏÀÇ Ä¡·á¿¡ À־ º» ¿¬±¸¿¡¼­´Â ¼±Çà Ç×¾ÏÈ­Çпä¹ý¿¡ ´ëÇÑ ¹ÝÀÀ°ú Àå±â »ýÁ¸À²°£¿¡ °ü°è°¡ ¾ø´Â °ÍÀ¸·Î ³ªÅ¸³µ°í, ¹æ»ç¼±Ä¡·á ÈÄ ÃÖÁ¾ Ä¡·á ¹ÝÀÀÀÌ Àå±â »ýÁ¸À²¿¡ °¡Àå Áß¿äÇÑ ¿¹ÈÄ ÀÎÀÚ¿´´Ù.

Purpose : To see the relationship between the response to chemotherapy and the final outcome of neoadjuvant chemotherapy and radiotherapy in patients with locally advanced hypopharyngeal cancer.
Methods and Materials : A retrospective analysis was done for thirty-two patients with locally advanced hypopharyngeal cancer treated in the Seoul National University Hospital with neoadjuvant chemotherapy and radiotherapy from August 1979 to
July
1997.
The patients were treated with Co-60 teletherapy unit or 4MV or 6MV photon beam produced by linear accelerator. Daily fractionation was 1.75 to 2 Gy, delivered five times a week. Total dose ranged from 60.8 Gy to 73.8 Gy. Twenty-nine patients
received
continuous infusion of cisplatin and 5-FU. Other patients were treated with cisplatin combined with bleomycin or vinblastin. Twenty-four (75%) patients received all three prescribed cycles of chemotherapy delivered three weeks apart. Six patients
received two cycles, and two patients received only one cycle.
Results : The overall 2-year and 5-year survival rates are 65.6% and 43.0%, respectively. 5-year local control rate is 34%. Organ preservation for more than five years is achieved in 12 patients (38%). After neoadjuvant chemotherapy, 24 patients
achieved more than partial remission (PR); the response rate was 75% (24/32). Five patients had complete remission (CR), 19 patients PR, and 8 patients no response (NR). Among the 19 patients who had PR to chemotherapy, 8 patients achieved CR
after
radiotherapy. Among the 8 non-responders to chemotherapy, 2 patients achieved CR, and 6 patients achieved PR after radiotherapy. There was no non-responder after radiotherapy. The overall survival rates were 60% for CR to chemotherapy group,
35.1%
for
PR to chemotherapy group, and 50% for NR to chemotherapy group, respectively ( p=0.93). There were significant difference in five-year overall survival rates between the patients with CR and PR after neoadjuvant chemotherapy and radiotherapy
(73.3%
vs.
14.7%, p< 0.01). The prognostic factor affecting overall survival was the response to overall treatment (CR vs. PR, p<0.01).
Conclusion : In this study, there were only five patients who achieved CR after neoadjuvant chemotherapy. Therefore the difference of overall survival rates between CR and PR to chemotherapy group was not statistically significant. Only the
response to
chemo-radiotherapy was the most important prognostic factor. There needs to be more effort to improve CR rate of neoadjuvant chemotherapy and consideration for future use of concurrent chemoradiotherapy.

Å°¿öµå

ÇÏÀεξÏ; ¹æ»ç¼±Ä¡·á; ¼±Çà Ç×¾ÏÈ­Çпä¹ý; Hypopharyngeal cancer; Radiation therapy; Neoadjuvant chemotherapy;

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