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[ColonTODAY 132. Total neoadjuvant therapy for rectal cancer]

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1. Standard surgery in rectal cancer Á÷Àå¾Ï ¼ö¼ú

2. Total neoadjuvant therapy TNT

3. Endoscopy in TNT ³»½Ã°æ

4. Summary ¹ÚÀ±¾Æ ±³¼ö´ÔÀÇ ¿ä¾à (2026)

5. Symposium

6. References


1. Standard surgery in rectal cancer

°áÀå¾ÏÀº ¿ø°ÝÀüÀÌ·Î Àç¹ßÇÏ´Â °æ¿ì°¡ ¸¹°í Á÷Àå¾ÏÀº ±¹¼ÒÀç¹ß·Î ÀüÀÌÇÏ´Â °æ¿ì°¡ ¸¹½À´Ï´Ù.

Á÷Àå¾ÏÀÇ Ç¥ÁØ ¼ö¼úÀº TME (total mesorectal excision)ÀÌ´Ù. Local recur, distant metastasis°¡ Àû°í ÁÖº¯ ½Å°æ ¼Õ»óÀ» ¸·¾Æ »îÀÇ ÁúÀÌ º¸Á¸µÇ±â ¶§¹®ÀÔ´Ï´Ù.


2. TNT (total neoadjuvant therapy)

°ú°Å Á÷Àå¾ÏÀÇ Ç¥ÁØÄ¡·á´Â CCRT + ¼ö¼ú + adjuvant chemotherapy¿´½À´Ï´Ù. ±×·¯³ª ¼ö¼ú ÈÄ ¿©·¯ ÀÌÀ¯·Î adjuvant chemotherapy¸¦ ¹ÞÁö ¸øÇÏ´Â °æ¿ì°¡ Àý¹ÝÀÌ À̸£°í, ÀÓ»ó ¿¬±¸¿¡¼­ adjuvant chemotherapy°¡ ±× È¿°ú¸¦ ÀÔÁõÇÏÁö ¸øÇß½À´Ï´Ù. µû¶ó¼­ ¼ö¼ú ÀÌ¿ÜÀÇ ¸ðµç Ä¡·á¸¦ ¼ö¼ú Àü ½ÃÇàÇÏ´Â TNT (total neoadjuvant therapy) ¹æ¹ýÀÌ µµÀÔ¾ú½À´Ï´Ù. 2022³â NCCN guideline¿¡¼­ preferred approach·Î Á¦½ÃµÇ¾ú°í 2024³â 10¿ù ¿ì¸®³ª¶ó °Ç°­º¸Çè ±Þ¿© Àû¿ë ´ë»óÀÌ µÇ¾ú½À´Ï´Ù.

Ç×¾ÏÄ¡·á¸¦ ¸ÕÀúÇÑ ÈÄ ¹æ»ç¼±Ä¡·á¸¦ ÇÏ´Â ¹æ¹ýÀ» induction chemotherapy¶ó°í ºÎ¸£¸ç, ¹Ý´ë·Î ¹æ»ç¼±Ä¡·á¸¦ ¸ÕÀúÇϰí Ç×¾ÏÄ¡·á¸¦ ÇÏ´Â ¹æ¹ýÀ» consolidation chemotherapy¶ó°í ºÎ¸¨´Ï´Ù.

¹æ»ç¼± Ä¡·á´Â Àå±â·Î ÇÏ´Â ¹æ¹ý°ú ´Ü±â·Î ÇÏ´Â ¹æ¹ýÀÌ ÀÖ½À´Ï´Ù.

TNTÀÇ ÀûÀÀÁõÀº º¸Åë ¾Æ·¡¿Í °°½À´Ï´Ù.


3. Endoscopy in TNT

TNT Àü·«¿¡¼­ ³»½Ã°æÀº ¼ö¼ú Àü Æò°¡¿¡ Áß¿äÇÑ ¿ªÇÒÀ» Çϰí ÀÖ½À´Ï´Ù. RT³ª chemotherapy Á¾·á 8-12ÁÖ °æ (1) ³»½Ã°æ, (2) Á÷Àå¼öÁö°Ë»ç, (3) MRI¸¦ ½ÃÇØÇÏ¿© cCR, nCR, iCRÀ» ±¸ºÐÇÕ´Ï´Ù. nCR¿¡¼­ W & W (watch and wait)¸¦ ÇÏ´Â °æ¿ì 4-8ÁÖ ÈÄ ÀçÆò°¡ÇÕ´Ï´Ù. ¸ðµç regrowthÀÇ 99%´Â 3³â À̳»¿¡ ¹ß»ýÇÕ´Ï´Ù. Regrowth ÈÄ ¼ö¼úÇÏ´Â ¹æ¹ý°ú óÀ½ºÎÅÍ ¼ö¼úÇÏ´Â ¹æ¹ýÀÇ »ýÁ¸À² Â÷ÀÌ´Â ¾ø½À´Ï´Ù.


4. Summary by »ï¼º¼­¿ïº´¿ø ¹ÚÀ±¾Æ ±³¼ö (2026-6-12. SMC ´ëÀå¾Ï ½ÉÆ÷Áö¾ö)

"¿ø°ÝÀüÀÌ °íÀ§Ç豺À¸·Î¼­ induction CTxÀÇ ÀÌÁ¡ÀÌ ´õ ÀÖÀ» °ÍÀ¸·Î ¿¹»óµÇ´Â ȯÀÚ¸¦ Á¦¿ÜÇÑ, ƯÈ÷ ÇϺÎÁ÷Àå¿¡ À§Ä¡ÇÑ cT3 ÀÌÇÏÀÇ ¾ÏÀÎ °æ¿ì Àå±â ¹æ»ç¼±Ä¡·á ÈÄ consolidation CTx¸¦ ½ÃÇàÇϰí Ä¡·á ¹ÝÀÀµµ¿¡ µû¶ó ºñ¼ö¼úÀû Ä¡·áÀÇ °¡´É¼ºÀ» ŸÁøÇÏ´Â Ä¡·á Á¢±Ù¹ýÀÌ ÇÊ¿äÇÏ´Ù."


[Symposiums]

[2026-6-12] SMC ´ëÀå¾Ï ½ÉÆ÷Áö¾öÀÌ ÁÖµÈ topicÀº TNT¿´½À´Ï´Ù.


[References]

1) EsoTODAY - ½ÊÀÌÁöÀåÁúȯ Áõ·ÊÅäÀÇ

2) SmallTODAY - ¼ÒÀåÁúȯ Áõ·ÊÅäÀÇ

3) ColonTODAY - ´ëÀåÁúȯ Áõ·ÊÅäÀÇ

4) Dr. Sinn's LiverTODAY - °£Áúȯ Áõ·ÊÅäÀÇ

5) KDDW 2025 lecture: Total neoadjuvant therapy for locally advanced rectal cancer ±è½ÂÁ¤. Log-in é©

6) YouTube: TNT in Rectal Cancer

7) YouTube: Everything You Need to Know About Total Neoadjuvant Therapy and Watch and Wait Protocols

© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng. (2026-2-17)