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Á¶±â ¼º¹®¾Ï ȯÀÚ¿¡¼­ÀÇ ¹æ»ç¼±Ä¡·á Radiotherapy for Early Glottic Carinoma

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±è¿øÅÃ/Won Taek Kim ³²ÁöÈ£/±Çº´Çö/¿Õ¼ö°Ç/±èµ¿¿ø/Ji Ho Nam/Byung Hyun Kyuon/Su Gun Wang/Dong Won Kim

Abstract

¸ñÀû: Á¶±â ¼º¹®¾Ï(T1-2N0M0) ȯÀڵ鿡 ´ëÇÑ ÀÏÂ÷ÀûÀÎ Ä¡·á·Î¼­ÀÇ ¹æ»ç¼±Ä¡·áÀÇ ¿ªÇÒ°ú Ä¡·á°á°ú¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿¹ÈÄÀÎÀڵ鿡 ´ëÇÑ ºÐ¼®À» ÅëÇØ ÇâÈÄ Ä¡·á¹æħÀ» ¼¼¿ì´Âµ¥ ÀÚ·á·Î »ï°íÀÚ ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: 1987³â 8¿ùºÎÅÍ 1996³â 12¿ù±îÁö ºÎ»ê´ëÇб³º´¿ø Ä¡·á¹æ»ç¼±°ú¿¡¼­ Á¶±â ¼º¹®¾ÏÀ¸·Î ±ÙÄ¡Àû ¹æ»ç¼±Ä¡·á¸¦ ½ÃÇà¹ÞÀº ȯÀÚ 80¸íÀ» ´ë»óÀ¸·Î ÈÄÇâÀû ºÐ¼®À» ½ÃÇàÇÏ¿´´Ù. T1 º´±â°¡ 66¸í(82.5%), T2 º´±â°¡ 14¸í(17.5%)ÀÌ¿´À¸¸ç, ¹æ»ç¼±Ä¡·á´Â 6
§Æ
X-¼±À» ÁÂ¿ì ´ëĪÁ¶»ç¾ß·Î 1ÀÏ 1ȸ 180 c§í ³»Áö 200 c§í¾¿ ÁÖ 5ȸ ÃÑ 6,000~7,560 c§í (Áß¾Ó°ª 6,840 c§í)¸¦ Á¶»çÇÏ¿´´Ù. Ä¡·á±â°£Àº 40ÀÏ¿¡¼­ 87ÀÏÀ̾ú°í Áß¾Ó°ªÀº 51ÀÏÀ̾ú´Ù. ¸ðµç ȯÀÚ¿¡¼­ ÃÖ¼Ò 3³â ÀÌ»ó ÃßÀû Á¶»çÇÏ¿´´Ù. ¿¹ÈÄÀÎÀڵ鿡 ´ëÇÑ ¿¬±¸¸¦ À§ÇØ
T-º´±â,
Á¾¾çÀÇ À§Ä¡, Ãѹæ»ç¼±·®, ºÐÇÒ¼±·®, Á¶»ç¾ßÀÇ Å©±â ¹× Àüü ¹æ»ç¼±Ä¡·á±â°£ µî¿¡ ´ëÇÑ ´Üº¯·® ¹× ´Ùº¯·®ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù.

°á°ú: 5³â »ýÁ¸À²Àº Àüü°¡ 89.2%¿´°í º´±âº°·Î´Â T1ÀÌ 90.2%, T2°¡ 82.5%¿´´Ù. ±¹¼ÒÁ¦¾îÀ²Àº Àüü¿¡¼­ 81.3%¿´°í, T1 º´±â°¡ 83.3%, T2 º´±â°¡ 71.4%¿´À¸³ª ±¸Á¦¼ö¼ú ÈÄÀÇ ±Ã±ØÀû ±¹¼ÒÁ¦¾îÀ²Àº Àüü°¡ 91.3%, T1 94.5%, T2 79.4%·Î 8~12%ÀÇ Áõ°¡¸¦ º¸¿´´Ù.
À½¼ºº¸Á¸À²Àº 89.2%·Î T1°ú T2¿¡¼­ °¢°¢ 94.7%¿Í 81.3%·Î À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù. Àüü ȯÀÚ 80¸í Áß 15¸í¿¡¼­ Ä¡·á ÈÄ Àç¹ßÀ» º¸¿´°í ÀÌ Áß ±¹¼ÒÀç¹ß(11/15, 73.3%)ÀÇ ºóµµ°¡ °¡Àå ³ô¾Ò´Ù. ¿¹ÈÄÀÎÀÚ·Î T-º´±â¿Í Àüü Ä¡·á±â°£ÀÌ ´Üº¯·®ºÐ¼®¿¡¼­ Åë°èÀûÀ¸·Î Àǹ̸¦
ÁÖ¾úÀ¸³ª
´Ùº¯·®ºÐ¼®¿¡¼­´Â Àüü Ä¡·á±â°£¸¸ÀÌ À¯ÀÇÇÑ ÀÎÀÚ¿´´Ù.

°á·Ð: Á¶±â ¼º¹®¾Ï ȯÀÚÀÇ Ä¡·á¿¡ ±ÙÄ¡Àû ¹æ»ç¼±Ä¡·á ¹× ±¸Á¦¼ö¼úÀÇ Á¶ÇÕÀº ³ôÀº ±¹¼ÒÁ¦¾îÀ²°ú ÇÔ²² ¼º¹®ÀÇ ±â´É º¸Á¸À̶ó´Â Ãø¸é¿¡¼­ È¿°úÀûÀÎ Ä¡·á¹æ¹ýÀ̶ó°í ÇÒ ¼ö ÀÖÀ¸¸ç, Ä¡·á°á°ú¿¡ ¿µÇâÀ» ÁÙ ¼ö ÀÖ´Â ¿¹ÈÄÀÎÀڵ鿡 ´ëÇؼ­´Â Ãß°¡ÀûÀÎ ¿¬±¸°¡ ´õ
ÇÊ¿äÇÏ°ÚÀ¸³ª
Ä¡·á°èȹ ´Ü°è¿¡¼­ºÎÅÍ °í·ÁÇؾßÇÒ ¿ä¼Òµé·Î »ý°¢µÈ´Ù.

Purpose: The purpose of this study was to establish general guidelines for the treatment of patients with early glottic carcinoma (T1-2N0M0), by assessing the role of primary radiotherapy and by analyzing the tumor-related and
treatment-related
factors that have an influence on the treatment results.

Materials and Methods: This retrospective study was composed of 80 patients who suffered from early glottic carcinoma and were treated by primary radiotherapy at Pusan National University Hospital, between August 1987 and December 1996.
The
distribution of patients according to T-stage was 66 for stage T1 and 14 for stage T2. All of the patients were treated with conventional radical radiotherapy using a 6§Æ photon beams, a total tumor dose of 60~75.6 §í (median 68.4 §í), administered
in 5
weekly fractions of 1.8~2.0 §í. The overall radiation treatment time was from 40 to 87 days, median 51 days. All patients were followed up for at least 3 years. Univariate and multivariate analysis was done to identify the prognostic factors
affecting
the treatment results.

Resuts: The five-years overall survival rate was 89.2% for all patients, 90.2% for T1 and 82.5% for T2. The local control rate was 81.3% for all patients, 83.3% for T1 and 71.4% for T2. However, when salvage operations were taken into
account,
the ultimate local control rate was 91.3%, T1 94.5%, T2 79.4%, representing an increase of 8~12% in the local control rate. The voice preservation rate was 89.2%, T1 94.7 %, T2 81.3%. Fifteen patients suffered a relapse after radiotherapy, among
whom 12
patients underwent salvage surgery. We included T-stage, tumor location, total radiation dose, fraction size, field size and overall radiation treatment time as potential prognostic factors. T-stage and overall treatment time were found to be
statistically significant in the univariate analysis, but in the multivariate analysis, only the overall treatment time was found to be significant.

Conclusion: The high cure and voice preservation rates obtained when using a procedure, comprising a combination of radical radiotherapy and salvage surgery, may make this the treatment of choice for patients with early glottic carcinoma.
However, the prognostic factors affecting the treatment results must be kept in mind, and more accurate treatment planning and further optimization of the radiation dose are necessary.

Å°¿öµå

Á¶±â ¼º¹®¾Ï; ¹æ»ç¼±Ä¡·á; ¿¹ÈÄÀÎÀÚ; Early glottic carinoma; Radiotherapy; Prognostic factor;

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