[Endoscopic submucosal dissection (ESD)]
Á¶±âÀ§¾Ï ³»½Ã°æÄ¡·á °á°úÁö´Â ¾Æ·¡¿Í °°ÀÌ »ó¼¼ÇÏ°Ô ÀÛ¼ºÇÏ°í ÀÖ½À´Ï´Ù.
1. Pretreatment evaluation and medication
1) Sedation: yes
2) Degree of sedation: moderate
3) Antispasmodics: yes
4) Past-medical history: specific history (-)
5) Anti-thrombotic drug: no
2.Description of the lesion
1) Histological diagnosis by forceps biopsy: adenoma or differentiated adenocarcinoma
2) Location: LC side of the antrum
3) Size of the lesion: 12 x 10 mm (size of the resected specimen: 40 x 30 mm)
4) Shape: IIc
5) Ulcer: No
6) Fibrosis: No (½Ã¼ú Àü ÆÇ´Ü)
7) Depth of invasion: mucosa (³»½Ã°æ ¼Ò°ß ÀÇ°Å)
8) Other findings: atrophic and metaplastic background mucosa (³»½Ã°æ ¼Ò°ß ÀÇ°Å)
3. Procedure
Soft type transparent hood¸¦ ÀåÂøÇÑ ³»½Ã°æÀ» ÀÌ¿ëÇÏ¿´À½. Saline irrigation ÈÄ º´º¯À» ÀÚ¼¼È÷ °üÂûÇÏ¿´°í indigo carmineÀ» »ìÆ÷ÇÏ¿© º´º¯ÀÇ °æ°è¸¦ ÃÖ´ëÇÑ Á¤È®È÷ °üÂûÇÏ¿´À½. º´¼ÒÀÇ °æ°èÆÇÁ¤À» À§ÇÏ¿© NBIÀÇ µµ¿òÀ» ¹Þ¾ÒÀ½. º´¼ÒÁÖº¯¿¡ ¾à 3-5 mm °£°ÝÀ¸·Î markingÀ» ½ÃÇàÇÏ¿´°í ³»½Ã°æ ÁÖ»çħÀ» ÀÌ¿ëÇÏ¿© submucosal injection solution(normal saline + epinephrine + indigo carmine)À» marking ÇÑ ¹Ù±ùÂÊ Á¡¸·ÇÏ¿¡ ÁÖÀÔÇÏ¿© ºÎºÐÀûÀÎ submucosal fluid cushionÀ» ¸¸µé¾úÀ½. Marking ÇÑ ºÎÀ§ ¹Ù±ùÂÊ Á¡¸·À» Endo-cutting Àü·ù¸¦ Åë°ú½ÃÄÑ 360µµ circumferenctial cuttingÀ» ÇÏ¿´À½. Cutting Á÷ÈÄ ¾à°£ÀÇ ÃâÇ÷Àº Forced coagulationÀ» ÀÌ¿ëÇÏ¿© Á¶ÀýÇÏ¿´À½. º´¼ÒÀÇ Á¡¸·ÇÏ ºÎÀ§¿¡ Ãß°¡ÀûÀÎ submucosal injectionÀ» ½ÃÇàÇÑ ÈÄ IT-2 knife¸¦ ÀÌ¿ëÇÏ¿© direct cutting ¹æ¹ýÀ¸·Î Á¡¸·ÇÏ ÀýÁ¦¸¦ ½ÃÇàÇÏ¿´À½. ½Ã¼ú µµÁß °æ¹ÌÇÑ ÃâÇ÷Àº needle knife·Î ÁöÇ÷ÇÏ¿´À¸¸ç Á» ´õ ¸¹Àº ¾çÀÇ ÃâÇ÷Àº Coagrasper¿¡ soft coagulation current¸¦ Åë°ú½ÃÄÑ ÁöÇ÷ÇÏ¿´À½. Net¸¦ ÀÌ¿ëÇÏ¿© ÀýÁ¦ º´¼Ò¸¦ ¼ö°ÅÇÏ¿´À½.
4. Treatment outcome: en bloc resection
5. Hemostatsis
1) Bleeding during the procedure: minimal
2) Bleeding after the submucosal dissection step: minimal
3) Main hemostasis method: electrocoagulation using Coagrasper
6. Immediate complication
1) Uncontrolled bleeding: no
2) Frank perforation: no
3) Other event (specify): no
7. ̵̧
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