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[Gastric cancer 634 - ESD for EGC very close to previous ESD scar]

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ESD for EGC close to previous ESD scar is challenging. En bloc resection of EGC and previous ESD scar was successfully done. One of the major strength of ESD is that scar lesions can be resected.

8 ³â Àü Ÿ º´¿ø¿¡¼­ ÀüÁ¤ºÎ ¼Ò¸¸¿¡¼­ ¾à°£ Èĺ®ÂÊ Á¶±âÀ§¾ÏÀÇ ³»½Ã°æ Ä¡·á¸¦ ¹ÞÀº ºÐÀε¥ °ú°Å Ä¡·áºÎ¿¡ ÀÎÁ¢ÇÏ¿© À§¾ÏÀÌ ¹ß°ßµÇ¾î ÀǷڵǼ̽À´Ï´Ù. µÎ¹ø° »çÁøÀÇ È­»ìÇ¥°¡ °ú°Å scarÀÔ´Ï´Ù. À§¾ÏÀº ÀÌ scar¿¡ ¿¬ÇÏ¿© ÇÑÂÊ ¹æÇâÀ¸·Î¸¸ ÀÚ¶ó ÀÖ¾ú½À´Ï´Ù. Local recurÀÇ °¡´É¼ºµµ ÀÖÁö¸¸ Àú´Â metachronous cancer°¡ °ú°Å Ä¡·áºÎ¿Í °¡±õ°Ô ¹ß»ýÇÏ¿´À» °¡´É¼ºÀ» ´õ ³ô°Ô º¸¾Ò½À´Ï´Ù.

ÀÌ·± °æ¿ì °ú°Å scar¸¦ ³²±âµµ ³»½Ã°æ ÀýÁ¦¸¦ ½ÃµµÇϸé resection marginÀ» È®º¸Çϱ⠾î·Æ½À´Ï´Ù. ÇÑÂÊ resection marginÀº Æ÷±âÇÏ°í ablationÀ» ÇÒ ¼ö ¹Û¿¡ ¾ø½À´Ï´Ù. ±×·¡¼­ ´Ù¼Ò ¹ø°Å·Ó´õ¶óµµ À̹ø À§¾Ï°ú °ú°Å scar¸¦ ¸ðµÎ Æ÷ÇÔÇÏ¿© ÇѲ¨¹ø¿¡ ESD¸¦ Çϱâ·Î ÇÏ¿´½À´Ï´Ù. ÇÑÂÊ¿¡ ´Ü´ÜÇÑ scar°¡ À־ ÀýÁ¦°¡ ½±Áö ¾Ê¾ÒÁö¸¸ ¼º°øÀûÀ¸·Î one piece resectionÀ» ÇÒ ¼ö ÀÖ¾ú½À´Ï´Ù (½Ã¼ú ½Ã°£ 35ºÐ).

ÃÖÁ¾ º´¸® °á°ú¿¡¼­µµ ´Ù¸¥ ¹æÇâÀº 8-10mm Á¤µµÀÇ resection marginÀ» º¸¿´Áö¸¸, scar°¡ ÀÖ¾ú´ø Èĺ® ¹æÇâÀº 18 mm·Î ³Ë³ËÇÑ resection marginÀ» º¸¿´½À´Ï´Ù.

ESD: Early gastric carcinoma
1. Location : antrum, lesser curvature
2. Gross type : EGC type IIa + IIc
3. Histologic type : tubular adenocarcinoma, well differentiated
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 22 mm (2) vertical diameter, 7 mm
6. Depth of invasion : invades mucosa (lamina propria) (pT1a)
7. Resection margin : free from carcinoma(N), safety margin : distal 9 mm, proximal 10 mm, anterior 8 mm, posterior 18 mm, deep 500 §­
8. Lymphatic invasion : not identified(N)
9. Venous invasion : not identified(N)
10. Perineural invasion : not identified(N)
11. Microscopic ulcer : absent
12. Histologic heterogeneity: absent

º¸¶÷µÈ ½Ã¼úÀ̾ú½À´Ï´Ù. ¾Æ»þ!!!

© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng. (2018-7-6)