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1998, 1999³âµµ ¿ì¸®³ª¶ó¿¡¼­ ½ÃÇàµÈ ±ÙÄ¡Àû À¯¹æ ÀüÀýÁ¦¼ú ÈÄ ¹æ»ç¼±Ä¡·á ÇöȲ Á¶»ç The 1998, 1999 Patterns of Care Study for Breast Irradiation after Mastectomy in Korea

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ÀÌÇü½Ä ( Lee Hyung-Sik ) 
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À̸íÀÚ ( Lee Myung-Za ) 
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Abstract

¸ñ Àû: À¯¹æ¾Ï¿¡ ´ëÇÑ ¹æ»ç¼±Ä¡·áÀÇ ÀûÁ¤¼º°ú ¾ÈÀü¼ºÀ» º¸ÀåÇÏ°í ±Ã±ØÀûÀ¸·Î Ä¡·áÈ¿°ú¸¦ Çâ»ó½ÃÅ°±â À§ÇÑ ¹æ»ç¼±Ä¡·á ±â¼ú Ç¥ÁØÈ­¸¦ À§ÇÏ¿© ¿ì¸®³ª¶ó Àü±¹ º´¿øÀ» ´ë»óÀ¸·Î ÇÏ´Â Ä¡·áÇüÅ Á¶»ç¿¬±¸(patterns of care study, PCS)¸¦ °èȹÇÏ¿´´Ù. ±× µÎ ¹ø° ´Ü°è·Î ±ÙÄ¡Àû À¯¹æ ÀüÀýÁ¦¼ú ÈÄ ½ÃÇàÇÑ ¹æ»ç¼±Ä¡·á ¹æ¹ý¿¡ ´ëÇÏ¿© Á¶»çÇÏ°í ºÐ¼®ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: Á¶»çÇÏ°íÀÚ ÇÏ´Â ÀÔ·Â ¹®Ç×À» °³¹ßÇÏ¿´°í µ¿½Ã¿¡ ÀÎÅͳÝÀ» ÅëÇÏ¿© Á¶»çÀÚ°¡ Á÷Á¢ ÀÔ·ÂÇÒ ¼ö ÀÖµµ·Ï Web ±â¹Ý ÀÔ·Â ÇÁ·Î±×·¥(www.pcs.re.kr)À» °³¹ßÇÏ¿´´Ù. ´ë»ó ȯÀÚµéÀº 1998³âµµ¿¡ ±ÙÄ¡Àû À¯¹æ ÀüÀýÁ¦¼ú ÈÄ ¹æ»ç¼±Ä¡·á¸¦ ¹ÞÀº ȯÀÚ·Î Àü¼ö Á¶»ç¸¦ ÇÏÁö ¾Ê°í ÀÓÀÇ ÃßÃâÇÏ¿© Á¶»çÇÏ¿´´Ù. ÀÔ·Â ¹®Ç×Àº 149°³·Î º´·Â°ú ÀÌÇÐÀû ¼Ò°ß, ¼ö¼ú ¼Ò°ß°ú º´¸®¼Ò°ß, Ç×¾ÏÈ­Çпä¹ý, È£¸£¸ó¿ä¹ý, ¹æ»ç¼±Ä¡·á°èȹ, ¹æ»ç¼±Ä¡·á, Ä¡·á Áß ºÎÀÛ¿ë, Ä¡·á È¿°ú, ÇÕº´Áõ µî 9±ºÀ¸·Î ³ª´©¾îÁ® ÀÖ´Ù. 17°³ º´¿ø¿¡¼­ ÀÔ·ÂµÈ 286¸íÀÇ µ¥ÀÌÅ͸¦ ºÐ¼®ÇÏ¿´´Ù.

°á °ú: ¿¬·ÉÀº 20¢¦81¼¼(Áß¾Ó°ª 44¼¼)¿´´Ù. ȯÀÚÀÇ º´±â´Â AJCC (American Joint Committee on Cancer) 6ÆÇ¿¡ µû¶ó ºÐ·ùÇÏ¿´À¸¸ç T1: 9.7%, T2: 59.2%, T3: 25.6%, T4: 5.2%À̾úÀ¸¸ç T0°¡ 1¿¹ ÀÖ¾ú´Ù. ¾×¿Í¸²ÇÁÀý °ûû¼ú¿¡¼­ ¶¼¾î³½ ¸²ÇÁÀýÀÌ 10°³ ¹Ì¸¸ÀΠȯÀÚ°¡ 10.5%, 10°³ ÀÌ»óÀΠȯÀÚ°¡ 86.7%À̾úÀ¸¸ç 7.3% ȯÀÚ¿¡¼­ ¸²ÇÁÀý ÀüÀÌ°¡ ¾ø¾ú°í, ¸²ÇÁÀý ÀüÀÌ°¡ 3°³ ÀÌÇÏÀÎ °æ¿ì°¡ 14%, 4¢¦9°³°¡ 38.8%, 10°³ ÀÌ»ó ÀüÀÌµÈ °æ¿ì°¡ 38.5%¿´´Ù. µû¶ó¼­ º´±â I±â: 0.7%, IIa±â: 3.8%, IIb±â: 9.8%, IIIa±â: 43.0%, IIIb±â: 2.8%, IIIc±â: 38.5%À̾ú´Ù. ¹æ»ç¼±Ä¡·á°¡ ½ÃÇàµÈ ½Ã±â¿¡ µû¶ó¼­´Â ¼ö¼ú ÈÄ¿¡ Ç׾Ͼ๰ġ·á¸¦ ¸¶Ä¡°í ¹æ»ç¼±Ä¡·á¸¦ ÇÑ °æ¿ì°¡ 47.9%·Î °¡Àå ¸¹¾Ò°í, ¼ö¼ú ÈÄ ¾à¹°Ä¡·á¸¦ ½ÃÇàÇÏ°í ¹æ»ç¼±Ä¡·á¸¦ ½ÃÇàÇÑ ÈÄ¿¡ ´Ù½Ã ¾à¹°Ä¡·á¸¦ ½ÃÇàÇÑ °æ¿ì°¡ 35.0%·Î ±× ´ÙÀ½À¸·Î ¸¹¾Ò´Ù. ¼ö¼ú Àü ¾à¹°Ä¡·á¸¦ ½ÃÇàÇÏ°í ±× ÈÄ¿¡ ¹æ»ç¼±Ä¡·á¸¦ ½ÃÇàÇÑ °æ¿ìµµ 12.5%¿´´Ù. ¹æ»ç¼±Ä¡·á ¹üÀ§´Â ÀüüÀÇ 5.6%°¡ È亮¸¸ Ä¡·á¹Þ¾Ò°í 20.3%´Â È亮°ú ¼â°ñ»ó ¸²ÇÁÀýÀ», 27.6%´Â È亮°ú ¼â°ñ»ó ¸²ÇÁÀý°ú ³»À¯¹æ¸²ÇÁÀýÀ», 25.9%¿¡¼­´Â È亮°ú ¼â°ñ»ó ¸²ÇÁÀýÀ» Ä¡·áÇϸ鼭 ¾×¿Í ÈĹæÁ¶»ç¸¦, 19.9%¿¡¼­´Â È亮°ú ¼â°ñ»ó ¸²ÇÁÀý°ú ³»À¯¹æ¸²ÇÁÀýÀ» Ä¡·áÇϸ鼭 ¾×¿Í ÈĹæÁ¶»ç¸¦ ½ÃÇàÇÏ¿´´Ù. 2¿¹(0.7%)¿¡¼­´Â ³»À¯¹æ¸²ÇÁÀý¸¸ Ä¡·áÇÏ¿´´Ù. È亮ÀÇ ¹æ»ç¼±Ä¡·á ¹æ¹ý¿¡ À־´Â 57.3%¿¡¼­ ¾çÂÊ Á¢¼±Á¶»ç¸¦ »ç¿ëÇÏ¿´°í, 42%¿¡¼­´Â ÀüÀÚ¼±À¸·Î Ä¡·áÇÏ¿´´Ù. ¾çÂÊ Á¢¼±Á¶»ç¸¦ ½ÃÇàÇÑ °æ¿ì¿¡´Â 54.8%¿¡¼­ Á¶Á÷º¸»óü¸¦ »ç¿ëÇÏ¿´°í, ÀüÀÚ¼±À¸·Î Ä¡·áÇÑ °æ¿ì´Â 52.5%¿¡¼­ »ç¿ëÇÏ¿´À¸¸ç È亮¿¡ Á¶»çµÈ ¹æ»ç¼±·®Àº 91.3%¿¡¼­ 45¢¦50.4 GyÀ̾úÀ¸¸ç, 5.9%¿¡¼­ ±× ÀÌ»óÀÌ 2.8%¿¡¼­ ±× ¹Ì¸¸ÀÌ Á¶»çµÇ¾ú´Ù. ¼â°ñ»ó ¸²ÇÁÀý¿¡ Á¶»çµÈ ¹æ»ç¼±·®Àº 89.5%¿¡¼­ 45¢¦50.4 GyÀ̾úÀ¸¸ç, 2.4%¿¡¼­ ±× ÀÌ»óÀÌ 8%¿¡¼­ ±× ¹Ì¸¸ÀÌ Á¶»çµÇ¾ú´Ù.

°á ·Ð: À¯¹æ º¸Á¸¼ú ÈÄ ¹æ»ç¼±Ä¡·á¿Í´Â ´Þ¸® ±ÙÄ¡Àû À¯¹æ ÀüÀýÁ¦¼ú ÈÄ ¹æ»ç¼±Ä¡·á´Â ´Ù¾çÇÑ ÇüÅ·Π½ÃÇàµÇ°í ÀÖÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. ÇâÈÄ Ä¡·á¹æ¹ý¿¡ µû¸¥ Ä¡·á¼ºÀûÀ» ºÐ¼®ÇÔÀ¸·Î½á ÀûÀýÇÑ ¹æ»ç¼± Ä¡·á ¹æ¹ýÀ» Á¦½ÃÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù.

Purpose: To determine the patterns of evaluation and treatment in patients with breast cancer after mastectomy and treated with radiotherapy. A nationwide study was performed with the goal of improving radiotherapy treatment.

Materials and Methods: A web-based database system for the Korean Patterns of Care Study (PCS) for 6 common cancers was developed. Randomly selected records of 286 eligible patients treated between 1998 and 1999 from 17 hospitals were reviewed.

Results: The ages of the study patients ranged from 20 to 80 years (median age 44 years). The pathologic T stage by the AJCC was T1 in 9.7% of the cases, T2 in 59.2% of the cases, T3 in 25.6% of the cases, and T4 in 5.3% of the cases. For analysis of nodal involvement, N0 was 7.3%, N1 was 14%, N2 was 38.8%, and N3 was 38.5% of the cases. The AJCC stage was stage I in 0.7% of the cases, stage IIa in 3.8% of the cases, stage IIb in 9.8% of the cases, stage IIIa in 43% of the cases, stage IIIb in 2.8% of the cases, and IIIc in 38.5% of the cases. There were various sequences of chemotherapy and radiotherapy after mastectomy. Mastectomy and chemotherapy followed by radiotherapy was the most commonly performed sequence in 47% of the cases. Mastectomy, chemotherapy, and radiotherapy followed by additional chemotherapy was performed in 35% of the cases, and neoadjuvant chemoradiotherapy was performed in 12.5% of the cases. The radiotherapy volume was chest wall only in 5.6% of the cases. The volume was chest wall and supraclavicular fossa (SCL) in 20.3% of the cases; chest wall, SCL and internal mammary lymph node (IMN) in 27.6% of the cases; chest wall, SCL and posterior axillary lymph node in 25.9% of the cases; chest wall, SCL, IMN, and posterior axillary lymph node in 19.9% of the cases. Two patients received IMN only. The method of chest wall irradiation was tangential field in 57.3% of the cases and electron beam in 42% of the cases. A bolus for the chest wall was used in 54.8% of the tangential field cases and 52.5% of the electron beam cases. The radiation dose to the chest wall was 45¢¦59.4 Gy (median 50.4 Gy), to the SCL was 45¢¦59.4 Gy (median 50.4 Gy), and to the PAB was 4.8¢¦38.8 Gy, (median 9 Gy)

Conclusion: Different and various treatment methods were used for radiotherapy of the breast cancer patients after mastectomy in each hospital. Most of treatment methods varied in the irradiation of the chest wall. A separate analysis for the details of radiotherapy planning also needs to be followed and the outcome of treatment is needed in order to evaluate the different processes.

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Breast cancer;Radical mastectomy;Radiotherapy

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KCI
KoreaMed
KAMS