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À¯¹æ¾Ï ȯÀÚÀÇ Á¤»ó È£Èí¿¡¼­ Á¾¾ç¿¡ »ðÀÔµÈ ¿Ü°úÀû Ŭ¸³ÀÇ ¿òÁ÷ÀÓ ºÐ¼® Analysis of the Movement of Surgical Clips Implanted in Tumor Bed during Normal Breathing for Breast Cancer Patients

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ÀÌ·¹³ª ( Lee Re-Na ) 
ÀÌÈ­¿©ÀÚ´ëÇб³ ÀÇ°ú´ëÇÐ ¹æ»ç¼±Á¾¾çÇб³½Ç

ÀÌ°æÀÚ ( Lee Kyung-Ja ) 
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ÀÌÁöÇý ( Lee Ji-Hye ) 
ÀÌÈ­¿©ÀÚ´ëÇб³ ÀÇ°ú´ëÇÐ ¹æ»ç¼±Á¾¾çÇб³½Ç
¼­Çö¼÷ ( Suh Hyun-Suk ) 
ÀÌÈ­¿©ÀÚ´ëÇб³ ÀÇ°ú´ëÇÐ ¹æ»ç¼±Á¾¾çÇб³½Ç
Á¤Àº¾Æ ( Chung Eun-Ah ) 
ÀÌÈ­¿©ÀÚ´ëÇб³ ÀÇ°ú´ëÇÐ ¹æ»ç¼±Á¾¾çÇб³½Ç

Abstract

¸ñ Àû: Á¤»ó È£Èí¿¡¼­ ¿Ü°úÀû Ŭ¸³À» ÀÌ¿ëÇÏ¿© À¯¹æ Á¾¾çÀÇ ¿òÁ÷ÀÓÀ» Æò°¡ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: À¯¹æ º¸Á¸ ¼ö¼ú ÈÄ ¹æ»ç¼± Ä¡·á¸¦ ¹ÞÀº 7¸íÀÇ È¯ÀÚ¸¦ ´ë»óÀ¸·Î ÇÏ¿© °¢ ȯÀÚº°·Î ÀϹÝÀûÀÎ ¸ðÀÇ Ä¡·á °úÁ¤¿¡¼­ Çü±¤ Åõ½Ã ¿µ»óÀ» ¾ò¾ú´Ù. ÇÑ È¯ÀÚÀÇ ¿µ»ó¸¸ ¸ÅÃÊ 15ÇÁ·¹ÀÓÀÇ ºñÀ²·Î ±â·ÏµÇ¾ú°í, ´Ù¸¥ ȯÀÚµéÀÇ ¿µ»óÀº 1ÃÊ´ç 30ÇÁ·¹ÀÓÀÇ ºñÀ²·Î ¾ÕµÚ, ¿·, ºø³ª°¡´Â ¹æÇâ¿¡¼­ ±â·ÏµÇ¾ú´Ù. °¢ Ŭ¸³ÀÇ ¿øÁ¡¿¡¼­ÀÇ ÃÖ´ë, ÃÖ¼Ò ¿òÁ÷ÀÓÀ» ÃøÁ¤ÇÏ¿´°í À̸¦ ÅëÇÏ¿© Ŭ¸³¸¶´Ù °¢ ¹æÇâ¿¡¼­ÀÇ ÃÖ´ë ¿òÁ÷ÀÓÀ» °è»êÇÏ¿´´Ù. ºñ±³¸¦ À§ÇÏ¿© À§-¾Æ·¡ ¹æÇâÀ¸·ÎÀÇ È¾°æ¸·ÀÇ ¿òÁ÷ÀÓµµ ÃøÁ¤ÇÏ¿´´Ù.

°á °ú: ¾ÕµÚ ¹æÇâÀÇ ¿µ»óÀ¸·ÎºÎÅÍ ¿· ¹æÇâ°ú À§-¾Æ·¡ ¹æÇâÀ¸·ÎÀÇ ¿Ü°úÀû Ŭ¸³ÀÇ Æò±Õ ¿òÁ÷ÀÓÀº 0.8¡¾0.5 mm, 0.9¡¾0.2 mmÀ̸ç, ÃÖ´ë ¿òÁ÷ÀÓÀº 1.9 mm, 1.2 mm¿´´Ù. ¶ÇÇÑ, ¿· ¹æÇâ ¿µ»ó¿¡ ³ªÅ¸³­ Ŭ¸³µéÀº Æò±ÕÀûÀ¸·Î ¾Õ-µÚ ¹æÇâÀ¸·Î 1.3¡¾0.7 mm, À§-¾Æ·¡ ¹æÇâÀ¸·Î 1.3¡¾0.6 mm ¿òÁ÷¿´À¸¸ç, ÃÖ´ë ¿òÁ÷ÀÓÀº °¢°¢ 2.6 mm, 2.6 mm¿´´Ù. ºø³ª°¡´Â ¹æÇâÀÇ ¿µ»ó¿¡ ÀÖ´Â ¿Ü°úÀû Ŭ¸³µéÀÇ Æò±Õ ¿òÁ÷ÀÓ°ú ÃÖ´ë ¿òÁ÷ÀÓÀº ºñ½ºµëÇÑ ¹æÇâ¿¡¼­´Â 1.2¡¾0.5 mm¿Í 2.4 mm¿´À¸¸ç, À§-¾Æ·¡ ¹æÇâÀ¸·Î´Â 0.9¡¾0.4 mm¿Í 1.7 mm¿´´Ù. Ⱦ°Ý¸·Àº À§-¾Æ·¡ ¹æÇâÀ¸·Î Æò±ÕÀûÀ¸·Î 14.0¡¾2.4 mm ¿òÁ÷¿´À¸¸ç, ÃÖ´ë 18.8 mm ¿òÁ÷¿´´Ù.

°á ·Ð: È£Èí¿¡ ÀÇÇØ ¹ß»ýµÇ´Â Ŭ¸³ÀÇ ¿òÁ÷ÀÓÀº Ⱦ°æ¸·ÀÇ ¿òÁ÷ÀÓ¿¡ ºñÇؼ­ Å©Áö ¾ÊÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±×¸®°í, ¿Ü°úÀû Ŭ¸³ÀÇ ¿òÁ÷ÀÓÀº ¸ðµç ¹æÇâ¿¡¼­ 3 mm À̳»¿´´Ù. ÀÌ °á°ú, À¯¹æ¾ÏÀÇ ¹æ»ç¼± Ä¡·á ½Ã È£ÈíÀ» Àâ¾ÆÁÖ´Â ±â¼úÀ̳ª µµ±¸°¡ ÇÊ¿äÇÏÁö ¾Ê´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.

Purpose: To evaluate the movement of surgical clips implanted in breast tumor bed during normal breathing.

Materials and Methods: Seven patients receiving breast post-operative radiotherapy were selected for this study. Each patient was simulated in a common treatment position. Fluoroscopic images were recorded every 0.033 s, 30 frames per 1 second, for 10 seconds in anterior to posterior (AP), lateral, and tangential direction except one patient¡¯s images which were recorded as a rate of 15 frames per second. The movement of surgical clips was recorded and measured, thereby calculated maximal displacement of each clip in AP, lateral, tangential, and superior to inferior (SI) direction. For the comparison, we also measured the movement of diaphragm in SI direction.

Results: From AP direction¡¯s images, average movement of surgical clips in lateral and SI direction was 0.8¡¾0.5 mm and 0.9¡¾0.2 mm and maximal movement was 1.9 mm and 1.2 mm. Surgical clips in lateral direction¡¯s images were averagely moved 1.3¡¾0.7 mm and 1.3¡¾0.5 mm in AP and SI direction with 2.6 mm and 2.6 mm maximal movement in each direction. In tangential direction¡¯s images, average movement of surgical clips and maximal movement was 1.2¡¾0.5 mm and 2.4 mm in tangential direction and 0.9¡¾0.4 mm and 1.7 mm in SI direction. Diaphragm was averagely moved 14.0¡¾2.4 mm and 18.8 mm maximally in SI direction.

Conclusion: The movement of clips caused by breathing was not as significant as the movement of diaphragm. And all surgical clip movements were within 3 mm in all directions. These results suggest that for breast radiotherapy, it may not necessary to use breath-holding technique or devices to control breath.

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Breast cancer;Radiotherapy;Surgical clips

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