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[Thursday Endoscopy Conference 20161103]

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1. EGC

Early gastric carcinoma
1. Location : lower third, Center at prepyloric antrum
2. Gross type : EGC type IIa
3. Histologic type : tubular adenocarcinoma, poorly differentiated
4. Histologic type by Lauren : diffuse
5. Size : 2x1.5 cm
6. Depth of invasion : invades submucosa (sm3) (pT1b)
7. Resection margin: free from carcinoma
8. Lymph node metastasis : no metastasis in 33 regional lymph nodes (pN0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified


2. ESD for EGC at cardia

¹ß°ßÇϽŠºÐµµ ³î¶ø°í, ESD ÇϽŠºÐ(ÀÌÇõ ±³¼ö´Ô)Àº ´õ¿í ³î¶ø½À´Ï´Ù. ¼ö°í ¸¹À¸¼Ì½À´Ï´Ù.

Stomach, endoscopic submucosal dissection:
Early gastric carcinoma
1. Location : cardia
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 8 mm (2) vertical diameter, 4 mm
6. Depth of invasion : invades mucosa (lamina propria) (pT1a)
7. Resection margin : free from carcinoma(N)
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


[2016-11-10. ¾Öµ¶ÀÚ (±¹¸³¾Ï¼¾ÅÍ Á¶¼öÁ¤) ÆíÁö]

¿À´Ã º¸³»ÁֽŠÁõ·Ê Áß cardia ESD case´Â Ȥ½Ã GE junctional early cancer°¡ ¾Æ´ÑÁö ÇÕ´Ï´Ù. Ȥ½Ã Barrett's esophagus-associated cancerÀÏ ¼öµµ ÀÖÀ» °Í °°½À´Ï´Ù. ÀÌ case¿¡¼­´Â »ó°ü¾øÁö¸¸ ±»ÀÌ cardia cancer¿Í ±¸ºÐÇÏ´Â ÀÌÀ¯´Â sm cancer¿¡¼­ LNM risk°¡ ¾ÆÁ÷ Á¤¸³µÇÁö ¾Ê¾Ò±â ¶§¹®ÀÔ´Ï´Ù. ¾ó¸¶Àü ESDÈÄ Á¤¸®ÇÑ ÆÄÀÏÀÌ ÀÖ¾î º¸³»µå¸³´Ï´Ù.

Esophagogastric junctional cancer, type 0-IIa
Adenocarcinoma, tubular, well differentiated (intestinal)
Size of tumor: 1.6x1.2x0.06cm
Depth of invasion: sm1 (0.02cm) (pT1b)
LM(-) / DM(-) / LVI(-)
EG junctional adenocarcinoma developed from the Barrett¡¯s esophagus

* Âü°í: Fotis D. United European Gastroenterol J 2015 PDF

[2016-11-13. ÀÌÁØÇà ´äº¯]

ÁÁÀº Áõ·ÊÀÔ´Ï´Ù. ESD ½Ã¼úÀÌ Àß µÇ¾ú´ø °Í °°½À´Ï´Ù. ¾Ë·ÁÁֽŠ¹®Çå(Fotis D. United European Gastroenterol J 2015 PDF)µµ Àß º¸¾Ò½À´Ï´Ù.

ÀúÈñ º´¿ø ÀÌÇõ ±³¼ö´Ô²²¼­ ½Ã¼úÇÑ ¾Æ·¡ Áõ·Ê°¡ ´Ü¼øÇÑ cardia cancer°¡ ¾Æ´Ï¶ó Barrett's adenocarcinomaÀÏ ¼ö ÀÖ´Ù´Â ¼±»ý´ÔÀÇ ÀÇ°ß¿¡ µû¶ó ÃßÈÄ ´Ù½Ã Çѹø À̹ø Áõ·ÊÀÇ º´¸® ½½¶óÀ̵带 °ËÅäÇØ º¸°Ú½À´Ï´Ù. ÀÏ´Ü ³»½Ã°æ ¼Ò°ß¿¡¼­´Â ¶Ñ·ÇÈ÷ ÁÖº¯ Á¡¸·¿¡¼­ Barrett esophagus´Â ¾ø¾î º¸¿´½À´Ï´Ù. º´¸®¿¡¼­ ¾ÏÀÇ ÇÏ´Ü¿¡ esophageal gland ¼Ò°ßÀÌ º¸Àδٸé Barrett's adenocarcinoma·Î º¯°æÇÒ ¼ö´Â ÀÖ°ÚÁö¸¸...

2016³â 11¿ù 3ÀÏ ¸ñ¿ä³»½Ã°æÁý´ãȸ 2¹ø° Áõ·Ê

EMR/ESD specimenÀÇ depth of invasionÀÇ ±¸ºÐÀº ½±Áö ¾Ê½À´Ï´Ù. ¹Ù·¿ ½Äµµ¾ÏÀ» ºÐ¼®ÇÑ ¾Ë·ÁÁֽŠ¹®Çå(Fotis D. United European Gastroenterol J 2015 PDF)¿¡¼­´Â pragmatic classfication°ú Paris classification(Gastrointest Endosc 2003)À» ºñ±³ÇÏ°í ÀÖ¾ú½À´Ï´Ù. ¹®Çå¿¡¼­ ¸»ÇÏ´Â pragmatic classificationÀº ¼ö¼ú·Î ÀýÁ¦ÇÑ Ç¥º»¿¡¼­ SM layer¸¦ 3µîºÐÇÏ¿© ¸Ç À§ 1/3À» SM1À¸·Î Á¤ÇÏ´Â ¹æ½ÄÀ̾ú°í, Paris classificationÀº 500um±îÁö¸¦ SM1À¸·Î Á¤ÇÏ´Â ¹æ½ÄÀÔ´Ï´Ù. Pragmatic classification¿¡ µû¸¥ ¸²ÇÁÀý ÀüÀÌ´Â SM1¿¡¼­ 29%(2/7), SM2¿¡¼­ 71%(5/7), SM3¿¡¼­ 38%(6/16)¿´½À´Ï´Ù. ±×·¯³ª ÀúÀÚµéÀº SM1¿¡¼­ ¸²ÇÁÀý ÀüÀÌ°¡ ÀÖ¾ú´ø 2 Áõ·Ê(¾Æ·¡ ±×¸² 3¹ø, 24¹ø Áõ·Ê)´Â °¢°¢ 690 um, 700 umÀÇ SM invasionÀÌ ÀÖ¾úÀ¸¹Ç·Î ¸ðµÎ Paris classification¿¡ µû¶ó SM2/3ÀÌ°í, Paris classification¿¡¼­ SM1À̾ú´ø 5 Áõ·Ê´Â ¸ðµÎ ¸²ÇÁÀý ÀüÀÌ°¡ ¾ø¾úÀ¸¹Ç·Î EMR/ESD ÈÄ °æ°ú°üÂûÀ» ÇÒ ¼ö ÀÖ´Ù´Â ÁÖÀåÀ̾ú½À´Ï´Ù.

Paris classification¿¡¼­´Â ½Äµµ EMR/ESD specimen¿¡¼­ squamous cell carcinomaÀÇ °æ¿ì 200 um±îÁö, Barrett's adenocarcinomaÀÇ °æ¿ì 500 um±îÁö SM1À¸·Î °£ÁÖÇÏÀÚ°í µÇ¾î ÀÖ½À´Ï´Ù. ÀϺ»¿¡¼­´Â Barrett's adenocarcinoma´Â À§¾Ï°ú ºñ½ÁÇÏ°Ô °£ÁֵǹǷΠÀ§¾Ï°ú ¸¶Âù°¡Áö°í 500 um°¡ Àû¿ëµÈ °ÍÀÌÁö¸¸, »ç½Ç ±Ù°Å´Â ºÎÁ·ÇÕ´Ï´Ù.

Squamous cell carcinoma¿¡¼­´Â 200 um

Barrett's adenocarcinoma¿¡¼­´Â 500 um

Barrett's adenocarcinoma´Â °³³ä»ó 'Barrett's esophagus¿¡¼­ ½ÃÀÛÇÑ ½Äµµ¼±¾Ï'À̶ó°í Á¤ÀÇÇÒ ¼ö ÀÖÁö¸¸, ½ÇÁ¦·Î ¾î¶² Áõ·Ê°¡ Barretts' adenocarcinomaÀÎÁö cardia cancerÀÎÁö ±¸ºÐÇÏ´Â °ÍÀº ½±Áö ¾Ê½À´Ï´Ù. º´¸®ÇÐÀûÀ¸·Îµµ ¸Å¿ì º¹ÀâÇÕ´Ï´Ù (Takubo K. Dig Endosc 2014). ÀϺ»¿¡¼­ Barrett's adenocarcinoma¶ó°í ºÎ¸£´Â Áõ·ÊÀÇ ´ëºÎºÐÀº ¼­¾çÀÎÀÇ ´«À̳ª ¿ì¸®ÀÇ ´«À¸·Î º¼ ¶§¿¡´Â cardia cancerÀÔ´Ï´Ù. ÀϺ»ÀÎÀÌ Barrett's adenocarcinoma¶ó°í ¹ßÇ¥ÇÏ´Â °ÍÀ» º¸°í ¼­¾ç »ç¶÷µéÀº °í°³¸¦ °¼¿ì¶×Çϸ鼭 Áú¹®ÇÏ´Â °æ¿ì°¡ ¸¹½À´Ï´Ù. ±×°ÍÀº Barrett's adenocarcinoma°¡ ¾Æ´Ï¶ó°í Çϸ鼭...

2009³â »ï¼º¼­¿ïº´¿ø¿¡¼­ °æÇèÇÏ¿´´ø Barrett's adenocaricnoma¿¡ ´ëÇÑ ÂªÀº º¸°í¸¦ ³½ ÀûÀÌ ÀÖ½À´Ï´Ù (±è»óÁß. ´ëÇѼÒÈ­±â³»½Ã°æÇÐȸÁö 2009).

±× ÀÌÈķεµ ¸î Áõ·Ê¸¦ °æÇèÇÏ¿´Áö¸¸, ¾ÆÁ÷±îÁö Á¦ ½º½º·Î ¶Ñ·ÇÇÏ°Ô °³³ä Á¤¸®°¡ µÇ¾î ÀÖÁö ¾ÊÀº »óÅÂÀÌ°í, ÀϺ»°úÀÇ °ßÇØÂ÷¸¦ ¼³¸íÇÒ ³í¸®¸¦ ¼¼¿ìÁö ¸øÇÏ¿© EndoTODAY¿¡¼­µµ ÀÚ¼¼È÷ ´Ù·é ÀûÀÌ ¾ø½À´Ï´Ù. Á¶¸¸°£ Çѹø Á¤¸®Çغ¸°Ú½À´Ï´Ù. ÁÁÀº ÀÇ°ß °¨»çÇÕ´Ï´Ù.

* Âü°í: EndoTODAY ¹Ù·¿½Äµµ¼±¾Ï

* Âü°í: Takubo K. Histopathological diagnosis of adenocarcinoma in Barrett's esophagus. Dig Endosc 2014;26:322-30.

* Âü°í: ±è»óÁß. ´ÜÀÏ ±â°ü¿¡¼­ °æÇèÇÑ ¹Ù·¿½Äµµ¾ÏÀÇ ÀÓ»óÀû °íÂû. ´ëÇѼÒÈ­±â³»½Ã°æÇÐȸÁö 2009;38:68-74


3. Mucinous adenocarcinoma, cecum and appendix

Appendix and cecum, laparoscopic cecectomy :
Mucinous adenocarcinoma with signet ring cell feature
1. Location: cecum
2. Gross type: fungating
3. Size: 2.5x2.1 cm
4. Depth of invasion: invades muscularis propria(pT2)
5. Resection margin: free from carcinoma. safety margin: proximal, > 1.0 cm ; distal, > 1.0 cm ; radial, > 5.0 mm
6. Lymphatic invasion: not identified
7. Venous invasion: not identified
8. Perineural invasion: not identified
9. Tumor budding : positive (>=10)
10. Micropapillary component: no
11. Tumor border: infiltrative


[References]

1) SMC Endoscopy Unit »ï¼º¼­¿ïº´¿ø ³»½Ã°æ½Ç

2) SMC Monday GI conference »ï¼º¼­¿ïº´¿ø ÀÏ¿ø³»½Ã°æ±³½Ç ¿ù¿äÁ¡½É¼ÒÈ­±âÁý´ãȸ

3) SMC Thursday endoscopy conference »ï¼º¼­¿ïº´¿ø ÀÏ¿ø³»½Ã°æ±³½Ç ¸ñ¿äÁ¡½É³»½Ã°æÁý´ãȸ

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