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±Í¹Ø»ù ¾Ç¼º Á¾¾çÀÇ ¼ö¼ú ÈÄ ¹æ»ç¼± Ä¡·á Postoperative Radiotherapy for Parotid Gland Malignancy

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Abstract

¸ñ Àû: ±Í¹Ø»ù ¾Ç¼ºÁ¾¾çÀÇ ¼ö¼ú ÈÄ ¹æ»ç¼± Ä¡·á ¼ºÀû ¹× ¿¹ÈÄÀÎÀÚ¸¦ ºÐ¼®ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: 1980³âºÎÅÍ 2002³â±îÁö 130¸íÀÇ ±Í¹Ø»ù ¾Ç¼º Á¾¾ç ȯÀÚ°¡ ¼­¿ï´ëº´¿ø ¹æ»ç¼± Á¾¾çÇаú µ¥ÀÌÅͺ£À̽º¿¡ µî·ÏµÇ¾ú°í ÀÌ Áß ¼ö¼ú ÈÄ ¹æ»ç¼± Ä¡·á¸¦ ¹ÞÀº 72¸íÀÇ È¯ÀÚ¿¡ ´ëÇÏ¿© ÈÄÇâÀû ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù. ³²ÀÚ´Â 42¸í, ¿©ÀÚ´Â 30¸íÀ̾ú°í, ³ªÀÌÀÇ Áß¾Ó°ªÀº 46.5¼¼¿´´Ù. Á¡¾×Ç¥ÇǾç¾ÏÁ¾ÀÌ °¡Àå ÈçÇÑ Á¶Á÷ÇÐÀû À¯ÇüÀ̾ú´Ù. º´±â¿¡ µû¶ó¼­´Â I, I, III, IV º´±â¿¡ °¢°¢ 6, 23, 23, 20¸íÀÌ ÇØ´çµÇ¾ú´Ù. ¼ö¼ú ºÎÀ§ÀÇ ¹æ»ç¼± Á¶»ç·®ÀÇ Áß¾Ó°ªÀº 60 Gy¿´°í, ÀÏȸ Á¶»ç·®ÀÇ Áß¾Ó°ªÀº 1.8 Gy¿´´Ù.

°á °ú: 5³â Àüü »ýÁ¸À² ¹× 10³â Àüü »ýÁ¸À²Àº °¢°¢ 85%¿Í 76%¿´´Ù. 5³â ±¹¼ÒÁ¦¾îÀ²Àº 85%¿´°í 6³âÀÌ Áö³ª¸é¼­ º¯È­°¡ ¾ø¾ú´Ù. ´Ùº¯·®ºÐ¼®À» ÇÏ¿´À» ¶§, ¼ºº°, Á¶Á÷ÇÐÀû À¯ÇüÀÌ »ýÁ¸À²°ú Åë°èÀû À¯ÀǼºÀÌ ÀÖ¾ú´Ù. ³ªÀÌ, ¾È¸é½Å°æ¸¶ºñÁõ»ó, º´±â(T º´±â, Nº´±â, º´±â)´Â »ýÁ¸À²°ú °ü·ÃµÈ Åë°èÀû À¯ÀǼºÀÌ ¾ø¾ú´Ù. ±¹¼ÒÁ¦¾îÀ²ÀÇ °æ¿ì, ¸²ÇÁÀý ÀüÀÌ ¹× ÀýÁ¦¿¬ ħ¹ü¿©ºÎ°¡ ÀǹÌÀÖ´Â ¿¹ÈÄÀÎÀÚ¿´´Ù. Á¶Á÷ÇÐÀû À¯Çü, Á¾¾çÀÇ Å©±â, ½Å°æħÀ± ¿©ºÎ ¹× ¼ö¼úÀÇ Á¾·ù´Â ±¹¼ÒÁ¦¾îÀ²ÀÇ ¿¹ÈÄÀÎÀÚ°¡ ¾Æ´Ï¾ú´Ù.

°á ·Ð: ±Í¹Ø»ù ¾Ç¼ºÁ¾¾ç¿¡¼­ ¼ö¼ú ÈÄ ¹æ»ç¼±Ä¡·áÀÇ ¿ì¼öÇÑ ¼ºÀûÀ» È®ÀÎÇÏ¿´´Ù. ¼ºº° ¹× Á¶Á÷ÇÐÀû À¯ÇüÀÌ »ýÁ¸À²¿¡ ´ëÇÑ ÀǹÌÀÖ´Â ¿¹ÈÄÀÎÀÚ¿´°í, ¸²ÇÁÀý ÀüÀÌ ¹× ÀýÁ¦¿¬ÀÇ Ä§À±ÀÌ ÀÖ´Â °æ¿ì ±¹¼ÒÁ¦¾îÀ²ÀÌ ºÒ·®Çß´Ù.

Purpose: The aim of this study was to evaluate the clinical results of postoperative radiotherapy for parotid gland malignancy, and determine prognostic factors for locoregional control and survival.

Materials and Methods: Between 1980 and 2002, 130 patients with parotid malignancy were registered in the database of the Department of Radiation Oncology, Seoul National University Hospital. The subjects of this analysis were the 72 of these 130 patients who underwent postoperative irradiation. There were 42 males and 30 females, with a median age of 46.5 years. The most common histological type was a mucoepidermoid carcinoma. There were 6, 23, 23 and 20 patients in Stages I, II, III and IV, respectively. The median dose to the tumor bed was 60 Gy, with a median fraction size of 1.8 Gy.

Results: The overall 5 and 10 year survival rates were 85 and 76%, respectively. The five-year locoregional control rate was 85%, which reached a plateau phase after 6 years. Sex and histological type were found to be statistically significant for overall survival from a multivariate analysis. No other factors, including age, facial nerve palsy and stage, were related to overall survival. For locoregional control, nodal involvement and positive resection margin were associated with poor local control. Histological type, tumor size, perineural invasion and type of surgery were not significant for locoregional control.

Conclusion: A high survival rate of parotid gland malignancies, with surgery and postoperative radiotherapy, was confirmed. Sex and histological type were significant prognostic factors for overall survival. Nodal involvement and a positive resection margin were associated with poor locoregional control.

Å°¿öµå

Parotid gland malignancy; Postoperative radiotherapy; Prognostic factors; ±Í¹Ø»ù ¾Ç¼º Á¾¾ç; ¼ö¼ú ÈÄ ¹æ»ç¼±Ä¡·á; ¿¹ÈÄÀÎÀÚ

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