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Abstract

¸ñ Àû: ¿ø¹ß¼º °£¾Ï¿¡¼­ ±ÙÄ¡Àû ¸ñÀûÀÇ ¹æ»ç¼±Ä¡·á °á°ú¿¡ ´ëÇÑ ¹®Çå»ó º¸°í´Â µå¹°´Ù. ÀÌ¿¡ ÀúÀÚµéÀÌ °æÇèÇÑ ¿ø¹ß¼º °£¾ÏÀÇ ºÐÇÒ Á¤À§¹æ»ç¼±Ä¡·á¿¡ ´ëÇÑ °á°ú¸¦ º¸°íÇÏ°íÀÚ ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: 1999³â 7¿ùºÎÅÍ 2002³â 3¿ù±îÁö ¿ø¹ß¼º °£¾ÏÀ¸·Î Á¶Á÷ÇÐÀû Áø´ÜÀ» ¹ÞÀº ÈÄ ºÐÇÒ Á¤À§¹æ»ç¼±Ä¡·á¸¦ ½ÃÇàÇÑ 20¸íÀ» ´ë»óÀ¸·Î ÈÄÇâÀû ºÐ¼®À» ÇÏ¿´´Ù. Á¾¾çÀÇ Àå°æÀº 2¡­6.5 cm (Æò±Õ: 3.8 cm)¿´´Ù. ºÐÇÒ Á¤À§¹æ»ç¼±Ä¡·á´Â 1ȸ Á¶»ç·®À¸·Î 5¿Í 10 Gy¿´°í ¼±·®Àº °èȹ¿ë Ç¥ÀûüÀû(planning target volume)¿¡ ¸ÂÃß¾î ó¹æÇÏ¿´À¸¸ç ȸÀüÁß½ÉÁ¡ ¼±·®ÀÇ 85¡­90% µî¼±·® °î¼±¿¡ Ä¡·á¸¦ ÇÏ¿´´Ù. ÁÖ 3¡­5ȸ Ä¡·áÇÏ¿© 2ÁÖ µ¿¾È ÃÑ 50 Gy¸¦ Á¶»çÇÏ¿´´Ù(Áß¾Ó¼±·®: 50 Gy). ÃßÀû°üÂû±â°£Àº 3¡­55°³¿ù(Áß°£ ÃßÀû°üÂû±â°£: 23°³¿ù)À̾ú´Ù.

°á °ú: Àüü Ä¡·á ¹ÝÀÀ·üÀº 60%À̾úÀ¸¸ç ¿ÏÀü ¹ÝÀÀ 4¸í(20%), ºÎºÐ ¹ÝÀÀ 8¸í(40%), ¾ÈÁ¤¼º º´º¯ÀÌ 8¸í(40%)À̾ú´Ù. Àüü ȯÀÚÀÇ 1³â ¹× 2³â »ýÁ¸À²Àº °¢°¢ 70%, 43.1%À̾úÀ¸¸ç Áß¾Ó »ýÁ¸±â°£Àº 20°³¿ùÀ̾ú´Ù. 1³â ¹× 2³â ¹«º´ »ýÁ¸À²Àº °¢°¢ 65%, 32.5%À̾úÀ¸¸ç Áß¾Ó ¹«º´»ýÁ¸±â°£Àº 19°³¿ùÀ̾ú´Ù. Ä¡·á ºÎÀÛ¿ëÀ¸·Î ¼ÒÈ­Àå¾Ö°¡ 16¸í(60%), ¿À½É/±¸Åä°¡ 8¸í(40%), °£ ±â´É ÀúÇÏ°¡ 6¸í(30%)¿¡¼­ ¹ß»ýÇÏ¿´À¸³ª ºÎÀÛ¿ë¿¡ ÀÇÇÑ »ç¸ÁÀº ¾ø¾ú´Ù.

°á ·Ð: ¿ø¹ß¼º °£¾ÏÀÇ ºÐÇÒ Á¤À§¹æ»ç¼±Ä¡·á´Â ºñ±³Àû ¾ÈÀüÇÏ°í È¿°úÀûÀÎ ¹æ¹ýÀ̾ú´Ù. µû¶ó¼­ ´ÜÀÏ º´º¯À̸鼭 ºñ±³Àû Á¾¾çÀÇ Å©±â°¡ ÀÛÀº °£¾Ï¿¡¼­ ³»°úÀûÀ¸·Î ¼ö¼úÀÌ ºÒ°¡´ÉÇϰųª ¼ö¼úÀ» °ÅºÎÇϴ ȯÀÚ¿¡¼­ ±¹¼Ò Ä¡·á¹æ¹ýÀ¸·Î °í·ÁÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÈ´Ù.

Purpose: Reports on the outcome of curative radiotherapy ffor the primary hepatocellular carcinoma (HCC) are rarely encountered in the literature. In this study, we report our experience of a clinical trial where fractionated stereotactic radiotherapy (SRT) was used in treating a primary HCC.

Materials and Methods: A retrospective analysis was performed on 20 patients who had been histologically diagnosed as HCC and treated by fractionated SRT. The long diameter of tumor measured by CT was 2¡­6.5cm (average: 3.8 cm). A single dose of radiation used in fractionated SRT was 5 or 10 Gy; each dose was prescribed based on the planning target volume and normalized to 85¡­99% isocenter dose. Patients were treated 3¡­5 times per week for 2 weeks, with each receiving a total dose of 50 Gy (the median dose: 50 Gy).The follow up period was 3¡­55 months (the median follow up period: 23 months).

Results: The response rate was 60% (12 patients), with 4 patients showing complete response (20%), 8 patients showing partial response (40%), and 8 patients showing stable disease (40%). The 1-year and 2-year survival rates were 70.0% and 43.1%, respectively, and the median survival time was 20 months. The 1-year and 2-year disease free survival rates were 65% and 32.5%, respectively, and the median disease-free survival rate was 19 months. Some acute complications of the treatment were noted as follows: dyspepsia in 12 patients (60%), nausea/emesis in 8 patients (40%), and transient liver function impairment in 6 patients (30%). However, there was no treatment related death.

Conclusion: The study indicates that fractionated SRT is a relatively safe and effective method for treating primary HCC. Thus, fractionated SRT may be suggested as a local treatment for HCC of small lesion and containing a single lesion, when the patients are inoperable or operation is refused by the patients. We thought that fractionated SRT is a challenging treatment modality for the HCC.

Å°¿öµå

¿ø¹ß¼º °£¾Ï;ºÐÇÒ Á¤À§¹æ»ç¼±Ä¡·á;Hepatocellular carcinoma;Fractionated stereotactic radiotherapy

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