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¼ÒÀå ¿ëÀû ÃøÁ¤À» ÅëÇÑ Á÷Àå¾ÏÀÇ ¼ö¼ú ÈÄ ¹æ»ç¼±Ä¡·á ½Ã »ç¿ëÇÏ´Â ¼ÒÀå ÀüÀ§ ÀåÄ¡(Small Bowel Displacement System : SBDS) ÀÇ È¿¿ë¼º °ËÅä Efficacy of Small Bowel Displacement System in Post-Operative Pelvic Radiation Therapy of Rectal Cancer

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¾È¿ëÂù/Yong Chan Ahn ÀÓµµÈÆ/±è¹®°æ/¿ìÈ«±Õ/±è´ë¿ë/Çã½ÂÀç/Do Hoon Lim/Moon Kyung Kim/Hong Grun Wu/Dae Yong Kim/Seung Jae Huh

Abstract

¸ñ Àû : º» ¿¬±¸´Â Ä¡·á ¼±·®ÀÇ ¹æ»ç¼± Á¶»ç¿ª ³»¿¡ Æ÷ÇԵǴ ¼ÒÀåÀÇ ¿ëÀûÀ» Àü»êÈ­ ´ÜÃþ
ÃÔ¿µÀ» ÅëÇÏ¿© ÃøÁ¤ÇÔÀ¸·Î½á Á÷Àå¾ÏÀÇ ¼ö¼ú ÈÄ ¹æ»ç¼±Ä¡·á ½Ã »ç¿ëÇÏ´Â ¼ÒÀå ÀüÀ§ ÀåÄ¡ÀÇ
È¿¿ë¼ºÀ» °ËÅäÇØ º¸°íÀÚ ÇÏ¿´´Ù.
´ë»ó ¹× ¹æ¹ý : 1997³â 5¿ù¿¡ »ï¼º¼­¿ïº´¿ø Ä¡·á¹æ»ç¼±°ú¿¡¼­ ¹æ»ç¼±Ä¡·á¸¦ ½ÃÀÛÇÏ°Ô µÈ
10¸íÀÇ Á÷Àå¾Ï ȯÀÚµéÀ» ´ë»óÀ¸·Î ÇÏ¿´´Ù. ¼ÒÀåÀÇ È®ÀÎ ¹× ±¸º°À» ¿ëÀÌÇÏ°Ô Çϱâ À§ÇØ ¸ðÀÇ
Ä¡·á ½ÃÀÛ Àü¿¡ ȯÀڵ鿡°Ô Gastrographin À» ¸¶½Ã°Ô ÇÏ¿´À¸¸ç, ¸ðÀÇÄ¡·á
½Ã¿¡´Â ȯÀÚµéÀ» º¹¿ÍÀ§·Î ¾þµå¸®°Ô ÇÏ¿© ¼ÒÀå ÀüÀ§ ÀåÄ¡¸¦ »ç¿ëÇÏÁö ¾ÊÀº »óÅÂ¿Í »ç¿ëÇÑ
»óÅ¿¡¼­ ¹æ»ç¼± Á¶»ç¿ªÀ» °¢°¢ °áÁ¤ÇÏ¿© ÈÄÀü ¹× Ãø¹æ X-ray ¿µ»óÀ» ¾ò¾ú°í, °°Àº Á¶°ÇÀ¸
·Î Àü»êÈ­ ´ÜÃþ ÃÔ¿µÀ» °¢°¢ ½ÃÇàÇÏ¿´´Ù. Àü»êÈ­ ´ÜÃþ ÃÔ¿µ ¿µ»ó¿¡¼­ Á¶¿µÁ¦·Î ±¸º°ÀÌ µÇ´Â
¼ÒÀå Áß¿¡¼­ Ä¡·á ¼±·®ÀÇ ¹æ»ç¼± Á¶»ç¿ª ³»¿¡ Æ÷ÇԵǴ ¼ÒÀåÀÇ ¿ëÀûÀ» ¿µ»ó ÀúÀå ¹× Àü¼Û
½Ã½ºÅÛ(PACS) À» ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÏ¿´´Ù.
°á °ú : ¼ÒÀå ÀüÀ§ ÀåÄ¡ÀÇ »ç¿ë Àü ¹× »ç¿ë ÈÄÀÇ ÃøÁ¤µÈ ¼ÒÀåÀÇ Æò±Õ ¿ëÀûÀº
185.1ml(54.5- 434.2ml) ¹× 176.0ml (5.2-415.6ml) À̾ú´Ù. ¼ÒÀå ÀüÀ§ ÀåÄ¡ÀÇ »ç¿ë Àü°ú ºñ±³
ÇÑ »ç¿ë ÈÄÀÇ ¼ÒÀå ¿ëÀûÀÇ Áõ°¨Àº 10% ÀÌ»ó °¨¼Ò°¡ 3¸í, 10% ÀÌÇÏÀÇ °¨¼Ò°¡ 2¸í, 10% ÀÌ
ÇÏÀÇ Áõ°¡°¡ 3¸í, 10% ÀÌ»óÀÇ Áõ°¡°¡ 2¸í¾¿ À̾ú´Ù.
°á ·Ð : Á÷Àå¾ÏÀÇ ¼ö¼ú ÈÄ ¹æ»ç¼±Ä¡·á ½Ã »ç¿ëÇÏ´Â ¼ÒÀå ÀüÀ§ ÀåÄ¡ÀÇ È¿¿ë¼ºÀ» ¼ÒÀå¿ëÀû
ÀÇ ÃøÁ¤À» ÅëÇÏ¿© °ËÅäÇÏ¿© º» °á°ú ÀÌ ÀåÄ¡ÀÇ Á¦ÀÛ ¹× »ç¿ë¿¡ ¼Ò¿äµÇ´Â Ãß°¡ÀûÀÎ ½Ã°£°ú
³ë·ÂÀ» °¨¾ÈÇÏ¿© º¼ ¶§ Å« À̵æÀÌ ¾øÀ» °ÍÀ¸·Î ÆǴܵȴÙ.

Purpose : This study is to evaluate the efficacy of small bowel displacement
system(SBDS) in post-operative pelvic radiation therapy(RT) of rectal cancer patients by
measurement of small bowel volume included in the radiation fields receiving therapeutic
dose.
Materials and Method : Ten consecutive new rectal cancer patients referred to the
department of Radiation Oncology of Samsung Medical Center in May of 1997 were
included in this study. All patients were asked to drink Gastrographin
before simulation and were laid prone for conventional simulation and CT scans with
and without SBDS. The volume of opacified small bowel on CT scans, which was to be
included in the radiation fields receiving therapeutic dose, was measured using picture
archiving and communication system (PACS).
Results : The average small vowel volumes with and without SBDS were
176.0ml(5.2-415.6ml) and 185,1ml(54.5-434.2ml), respectively. The changes of small bowel
volume with SBDS compared to those without SBDS were more than 10% decrease in
three, less than 10% decrease in two, less than 10% increase in three, and more than
10% increase in two patients.
Conclusion : No significant advantage of using SBDS in post-operative pelvic RT for
rectal cancer patients has been shown by small bowel volume measurement using CT
scan considering additional effort and time needed for simulation and treatment setup.

Å°¿öµå

Small bowel complication; Rectal cancer; Pelvic RT;

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