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EndoTODAY ³»½Ã°æ ±³½Ç


[Histological heterogeneity. Mixed. ¹ÌºÐÈ­ È¥Àç¾Ï] - ðû

1. Histological heterogeneityÀÇ Á¤ÀÇ

2. Mixed´Â pureº¸´Ù ³ª»Ú´Ù?

3. Management after ESD (2020³â 4¿ù 13ÀÏ ÇöÀç)

4. Áõ·Ê ±â¹Ý ½ÉÃþ ÅäÀÇ

5. FAQ

6. References


1. Histological heterogeneityÀÇ Á¤ÀÇ

2015³â »ï¼º¼­¿ïº´¿ø ³í¹®(Min BH. Gastric Cancer 2015)À» Âü°íÇϽñ⠹ٶø´Ï´Ù.

En bloc resection and en bloc with R0 resection rates in MUC-EGC cases were 94.1 % and 81.7 %, respectively. MUC-EGC was significantly associated with larger tumor size, more frequent submucosal invasion, and lymphovascular invasion compared to PuD-EGC. Despite these aggressive features of MUC-EGC, no lymph node metastasis or extragastric recurrence occurred during follow-up after ESD if MUC-EGC met the curative endoscopic resection (ER) criteria for tumors of absolute or expanded indications.


[ºÐ·ù¹ý ºñ±³ - ¿¬¼¼´ë ¿¬±¸]

¿¬¼¼´ëÇб³ °­³²¼¼ºê¶õ½ºº´¿ø ±èÁöÇö ±³¼ö´ÔÆÀ¿¡¼­ ¼ö¼ú ȯÀÚÀÇ º´¸®°á°ú¸¦ »õ·Î¿î °¢µµ·Î ºÐ¼®ÇÑ ³í¹®ÀÌ ¹ßÇ¥µÇ¾ú½À´Ï´Ù (Yoon HJ. Pathol Res Pract 2016).

Á¦°¡ Èï¹Ì·Ó°Ô º» °ÍÀº ESD ÀûÀÀÁõ¿¡ ÇØ´çÇϴ ȯÀÚÀÇ ¸²ÇÁÀý ÀüÀÌ ¾ç»óÀÔ´Ï´Ù. ÀÚ·á°¡ ÃàÀûµÉ¼ö·Ï 'ÀϺΠexpanded indication¿¡¼­ ¸²ÇÁÀý ÀüÀÌ°¡ ºÐ¸íÈ÷ Á¸ÀçÇÑ´Ù'´Â °ÍÀÌ ¸í¹éÇØÁö°í ÀÖ½À´Ï´Ù. 3 cm ÀÌÇÏÀÇ ºÐÈ­Çü Á¡¸·¾Ï¿¡¼­µµ ±Ë¾çÀÌ ÀÖ´Â °æ¿ì¿¡´Â ¸²ÇÁÀý ÀüÀ̸¦ ¹Ýµå½Ã °í·ÁÇØ¾ß ÇÒ °Í °°½À´Ï´Ù. Á¡¸·ÇϾÏÀº ¸»ÇÒ ³ªÀ§µµ ¾ø½À´Ï´Ù.

ÀÌ ¿¬±¸ÀÇ ³»¿ëÀ» óÀ½ º» °ÍÀº 2014³â KINGCA¿´½À´Ï´Ù (¸µÅ©). ´ç½Ã Á¦°¡ comment ÇÏ¿´´ø ³»¿ëÀ» ¾Æ·¡¿¡ ¿Å±é´Ï´Ù.

¿¬¼¼´ëÇб³¿¡¼­ 'Is new criteria for mixed histology is necessary for endoscopic resection in EGC?'¶ó´Â Á¦¸ñÀÇ ¹ßÇ¥¸¦ ÇÏ¿´½À´Ï´Ù. Á¦°¡ Èï¹Ì·Ó°Ô º» °ÍÀº Japanese classificationÀÔ´Ï´Ù. ¿ì¸®´Â ÈçÈ÷ ÀϺ»¿¡¼­ ¸»ÇÏ´Â differentiated cancer´Â WHO ºÐ·ù·Î well-differentiated¿Í moderately-differentiated adenocarcinoma¸¦ ÇÕÇÑ °Í°ú ºñ½ÁÇÏ´Ù°í »ý°¢ÇÕ´Ï´Ù. ±×·±µ¥ À̹ø ¹ßÇ¥¸¦ º¸´Ï ÀϺ» ºÐ·ù¿¡¼­ differentiated°¡ 49.7%ÀÎ ¹Ý¸é well-differentiated¿Í moderately-differentiated adenocarcinomaÀÇ ÇÕÀº 48%¿´½À´Ï´Ù. Áï 2% Â÷ÀÌ°¡ ÀÖ½À´Ï´Ù. ÀÌ È¯ÀÚµéÀº ¾î¶² Á¶Á÷ÇÐÀû Ư¡ÀÎ ÀÖ´ÂÁö ±Ã±ÝÇÒ »ÓÀÔ´Ï´Ù. ÀϺ» ºÐ·ù¸¦ WHO ºÐ·ù¿Í mappingÇÏ´Â ÀÏÀº ¹«Ã´ ¾î·Á¿î ÀÏÀÔ´Ï´Ù. 2 ÇÁ·Î ºÎÁ·ÇÕ´Ï´Ù.

ÇÑ °¡Áö ¾Æ½¬¿òÀº... ³»½Ã°æ ³í¹®ÀÌÀÚ º´¸® ³í¹®Àε¥ ³»½Ã°æ »çÁøÀ̳ª º´¸® »çÁøÀÌ Çϳªµµ ¾ø´Ù´Â Á¡ÀÔ´Ï´Ù. 'ÀÌ·Ð ³»½Ã°æ (theoretical endoscopy)º¸´Ù´Â ÇöÀå ³»½Ã°æ(practical endoscopy)' ³í¹®À» ±â´ëÇغ¾´Ï´Ù.


2. Mixed´Â pureº¸´Ù ³ª»Ú´Ù?

2015³â ¿¬¼¼´ëÇб³ ³í¹®ÀÔ´Ï´Ù (Shim CN. Surg Endosc 2015). Mixed type¿¡ ´ëÇÑ º´¸®ÇÐÀû Áø´Ü ±âÁØÀÌ ¸íÈ®ÇÏ°Ô Á¦½ÃµÇÁö ¾Ê¾Æ¼­ ´Ù¼Ò ¾Æ½¬¿ü½À´Ï´Ù. °á°ú´Â ¸íÈ®ÇÕ´Ï´Ù. "Mixed´Â pureº¸´Ù ³ª»Ú´Ù."


3. Management after ESD (2020³â 4¿ù 13ÀÏ ÇöÀç)

ESD ÈÄ ÃÖÁ¾ º´¸®°á°ú°¡ ¹ÌºÐÈ­ È¥Àç¾ÏÀ¸·Î ³ª¿À¸é °í¹ÎÀÌ ¾Æ´Ò ¼ö ¾ø½À´Ï´Ù. ³»½Ã°æ ½Ã¼ú ÀÚü°¡ ¿Ïº®ÇÏ°Ô µÇ¾ú´ÂÁö, ¹ÌºÐÈ­ Á¶Á÷ÇüÀÇ ºñÀ²ÀÌ ¾î¶°ÇÑÁö µîÀ» °í¹ÎÇØ¾ß ÇÏÁö¸¸ ÀϹÝÀûÀ¸·Î ¾Æ·¡¿Í °°ÀÌ Á¢±ÙÇÏ°í ÀÖ½À´Ï´Ù.

(1) ¹ÌºÐÈ­ È¥Àç¾Ï, Àå°æ 2cm ÀÌÇÏ, Á¡¸·¾Ï, ÀýÁ¦ º¯¿¬ À½¼º, L/V (-/-)ÀÌ¸é ¿ÏÀüÀýÁ¦·Î º¸°í ¼ö¼úÀ̳ª Ç×¾ÏÄ¡·á µî Ãß°¡ Ä¡·á ¾øÀÌ °æ°ú°üÂûÀ» ÇÕ´Ï´Ù.

(2) ¹ÌºÐÈ­ È¥Àç¾ÏÀÌ°í Á¡¸·ÇϾÏÀÌ¸é ¼ö¼úÀ» ±ÇÇÕ´Ï´Ù. È¥Àç¾ÏÀÌ ¾Æ´Ñ pureÇÑ ¹ÌºÐÈ­ Á¶Á÷Çü À§¾Ï¿¡¼­µµ Á¡¸·ÇϾÏÀÌ¸é ¼ö¼úÀ» ±ÇÇÕ´Ï´Ù. SM 500um¶ó´Â ±âºÐÀº ºÐÈ­Çü À§¾Ï¿¡¼­¸¸ Àû¿ëÇÏ°í ÀÖ½À´Ï´Ù.

(3) ¹ÌºÐÈ­ È¥ÀÚ¾Ï Áß (1) Á¡¸·¾Ï 2cm ÃÊ°ú, (2) Á¡¸·¾Ï lateral margin positive´Â ¾Ö¸ÅÇÕ´Ï´Ù. Case-by-case·Î Á¢±ÙÇÕ´Ï´Ù.

´Ù¾çÇÑ »óȲÀÌ ÀÖÁö¸¸ ´ë°­ ¾Æ·¡¿Í °°Àº Ç¥ÁØ È¯ÀÚ¼³¸í¼­¸¦ ¸¸µé¾î ÀÌ¿ëÇÏ°í ÀÖ½À´Ï´Ù. (2020³â 4¿ù 13ÀÏ ÇöÀç)


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º¸Åë 2´Þ Á¤µµ ¾àÀÌ ÇÊ¿äÇѵ¥ ³²Àº ¾àÀº ÃæºÐÇϽʴϱî?

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4. Áõ·Ê ±â¹Ý ½ÉÃþ ÅäÀÇ

ESD¸¦ ÇÏ¿´½À´Ï´Ù. ¾Æ·¡¿Í °°Àº °á°ú¿´½À´Ï´Ù. ¿©·¯ºÐÀº ¹«¾ùÀ» ±ÇÇÏ°Ú½À´Ï´Ù. ¼ö¼ú ȤÀº °æ°ú°üÂû Áß ¹«¾ùÀ»?


Stomach, endoscopic submucosal dissection:
Early gastric carcinoma
1. Location : antrum, greater curvature
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated > poorly differentiated (30 %)
4. Histologic type by Lauren : mixed
5. Size of carcinoma : (1) longest diameter, 38 mm (2) vertical diameter, 30 mm
6. Depth of invasion : invades mucosa (muscularis mucosa) (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: present


60´ë ¿©¼ºÀÔ´Ï´Ù. Á¶Á÷°Ë»ç´Â M/D adenocarcinoma¿´½À´Ï´Ù. ¾î¶² Ä¡·á¹ýÀ» ¼±ÅÃÇϽðڽÀ´Ï±î? (À§¾Ï 493)

IIc + IIa ÇüÀ̹ǷΠÁ¡¸·ÇϾÏÀÏ °¡´É¼ºÀÌ Á¦¹ý ÀÖ´Â »óȲÀÌÁö¸¸ ÀÏ´Ü ESD¸¦ ÇÏ°í ÃÖÁ¾ º´¸®°á°ú ÀÇ°Å ¼ö¼ú ÇÊ¿ä ¿©ºÎ¸¦ °áÁ¤Çϱâ·Î ÇÏ¿´½À´Ï´Ù.

´Ù¼Ò ¿ì·ÁÇÏ¿´´ø ¹Ù¿Í °°ÀÌ Á¡¸·ÇϾÏÀ¸·Î ³ª¿Ô½À´Ï´Ù. ±íÀÌ´Â 500 um, ¹ÌºÐÈ­ È¥Àç¾ÏÀ¸·Î ³ª¿Ô½À´Ï´Ù. ¼ö¼úÀ» ±ÇÇϽðڽÀ´Ï±î, °æ°ú°üÂûÀ» ÇϽðڽÀ´Ï±î?

1. Stomach, #1x1 : GC of low body, endoscopic submucosal dissection:
. Early gastric carcinoma
1. Location : body, greater curvature
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated >> tubular adenocarcinoma, poorly differentiated (about 15%)
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 24 mm (2) vertical diameter, 13 mm
6. Depth of invasion : invades submucosa, (depth of sm invasion : 500 §­) (pT1b)
7. Resection margin : free from carcinoma(N) safety margin : distal 7 mm, proximal 9 mm, anterior 10 mm, posterior 8 mm, deep 400§­ (sm only)
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: present

Àú´Â ¾Æ·¡¿Í °°ÀÌ ¼³¸íÇÏ°í ¼ö¼úÀ» ±ÇÇß½À´Ï´Ù.

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º´¸®°á°ú¿¡ ¹®Á¦°¡ ¾øÀ» ¶§ Àç¹ß·üÀÌ 5% Á¤µµÀε¥ ¹ÝÇÏ¿©, ÇöÀçÀÇ Àç¹ß À§ÇèÀº 10-20% ÀÌ»óÀÔ´Ï´Ù. ¸¸¾à Àç¹ßÇϸé Àý¹Ý ÀÌ»óÀº ¿ÏÄ¡ÀÇ ±âȸ°¡ ¾ø½À´Ï´Ù .µû¶ó¼­ ¼ö¼úÀÌ °æ°ú°üÂûº¸´Ù À¯¸®ÇÑ »óȲÀÔ´Ï´Ù. ¹°·Ð ¼ö¼úÀº ¼ö¼úÀÔ´Ï´Ù. Àü½Å¸¶Ãë¿¡ µû¸¥ À§Çè, ÅëÁõ, ¼ö¼úÀÇ ÇÕº´Áõ, ¼ö¼ú ÈÄ »îÀÇ Áú ÀúÇÏ µîÀÇ ¾î·Á¿î Á¡ÀÌ ÀÖÁö¸¸ ±×·¡µµ Àç¹ßÀ§ÇèÀ» ´õ ¸¹ÀÌ °í·ÁÇØ¾ß ÇÑ´Ù°í ÆǴܵ˴ϴÙ. ÇöÀç ¾ÏÀÌ ³²¾ÆÀÖ´Ù´Â Áõ°Å°¡ ÀÖ¾î ¼ö¼úÀ» ±ÇÇÏ´Â °ÍÀº ¾Æ´Õ´Ï´Ù. ´ÜÁö Àç¹ßÀ§ÇèÀÌ ³ô±â ¶§¹®ÀÔ´Ï´Ù. ¼ö¼úÀ» Çغ¸¸é ´«¿¡ º¸ÀÏ Á¤µµÀÇ ¾ÏÀÌ ³²¾ÆÀÖ´Â °æ¿ì´Â 10-20% Á¤µµÀÔ´Ï´Ù. ÀÌ·¯ÇÑ ³»¿ëÀ» ¸ðµÎ Á¾ÇÕÇÏ¿© ÆÇ´ÜÇÒ ¶§ ¼ö¼úÀ» ±ÇÇÏ°í ½Í½À´Ï´Ù.


[Cases]

À§¾Ï 603
Stomach, ESD : Early gastric carcinoma
1. Location : body, lesser curvature
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated >> poorly differentiated (30%)
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 24 mm (2) vertical diameter, 8 mm
6. Depth of invasion : invades mucosa (lamina propria) (pT1a)
7. Resection margin : free from carcinoma(N), safety margin : distal 12 mm, proximal 7 mm, anterior 6 mm, posterior 18 mm, deep 400 §­
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: present

Initial biopsy: P/D
Stomach, subtotal gastrectomy: Early gastric carcinoma
1. Location : middle third, Center at low body and anterior wall
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated with poorly differentiated component (10%)
4. Histologic type by Lauren : mixed
5. Size : 2.1x1.5 cm
6. Depth of invasion : invades mucosa (muscularis mucosae) (pT1a)
7. Resection margin: free from carcinoma, safety margin: proximal 1.4 cm, distal 9.8 cm
8. Lymph node metastasis : no metastasis in 62 regional lymph nodes (pN0) (0/62 : "3", 0/7; "4", 0/13; "5", 0/8; "6", 0/5; "7", 0/4; "9", 0/5; "8a", 0/4; "11p", 0/3; "12a", 0/0; "4sb", 0/3; "1", 0/0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 7th edition: pT1a N0


Stomach, subtotal gastrectomy: Early gastric carcinoma
1. Location : lower third, Center at body and anterior wall
2. Gross type : EGC type IIb
3. Histologic type : tubular adenocarcinoma, moderately differentiated > poorly differentiated (30%)
4. Histologic type by Lauren : mixed
5. Size : 3x1.8 cm
6. Depth of invasion : invades mucosa (muscularis mucosae) (pT1a)
7. Resection margin: free from carcinoma, safety margin: proximal 1.8 cm, distal 6.9 cm
8. Lymph node metastasis : no metastasis in 37 regional lymph nodes (pN0) (0/37 : "3", 0/14; "4", 0/4; "5", 0/0; "6", 0/7; "7", 0/3; "9", 0/1; "8a", 0/1; "11p", 0/0; "12a", 0/3; "4sb", 0/1; "1", 0/3)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 7th edition: pT1a N0

À§¾Ï 540
Stomach, subtotal gastrectomy: Early gastric carcinoma
1. Location : lower third. Center at mid antrum and lesser curvature
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated >> poorly differentiated (20%)
4. Histologic type by Lauren : mixed
5. Size : 1.4x1.0 cm
6. Depth of invasion : invades submucosa (sm3) (pT1b)
7. Resection margin: free from carcinoma, safety margin: proximal 4.7 cm, distal 2.2 cm
8. Lymph node metastasis : no metastasis in 44 regional lymph nodes (pN0)
9. Lymphatic invasion : present
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 7th edition: pT1b N0

(2016) ÀÌ È¯ÀÚ¿¡ ´ëÇÑ º¸´Ù ÀÚ¼¼ÇÑ ¼³¸íÀº À§¾Ï 615¸¦ º¸½Ê½Ã¿À
LC of distal antrum, ESD : Early gastric carcinoma
1. Location : distal antrum, lesser curvature
2. Gross type : EGC type IIa+IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated >> tubular adenocarcinoma, poorly differentiated (30%)
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 18 mm (2) vertical diameter, 9 mm
6. Depth of invasion : invades mucosa (muscularis mucosa) (pT1a)
7. Resection margin : free from carcinoma(N), safety margin : distal 8 mm, proximal 8 mm, anterior 8 mm, posterior 16 mm, deep 1200 §­
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: present

The rate of pathological non-curative resection of EGC by ESD is about 10-20%. In additional surgery for non-curative resection cases, local residual tumor is found in 5-10%, and lymph node metastasis is also found in 5-10%. In this case of histological heterogeneity, lateral margin was involved. Surgery was done and 1.2cm x 0.3cm sized residual tumor in lamina propria was found. (EndoTODAY À§¾Ï 650)


[FAQ]

[2018-7-28. ¾Öµ¶ÀÚ Áú¹®]

¹ÌºÐÈ­ È¥Àç¾Ï ESD ÈÄ ÀýÁ¦º¯¿¬ ¾ç¼ºÀ¸·Î ¼ö¼úÀ» ±ÇÇÑ Áõ·Ê(EndoTODAY À§¾Ï 650)¿¡ ´ëÇÑ Áú¹®ÀÔ´Ï´Ù. Mixed type ÀÇ °æ¿ì ¾Ç¼ºÀÇ °¡´É¼ºÀÌ ´õ ³ô´Ù°í ÇϽŠ¹Ù ÀÖ½À´Ï´Ù (Shim CN. Surg Endosc 2015). ÀÏÀü¿¡ º¸¿©ÁֽŠȯÀÚ¼³¸íÀÚ·á(EndoTODAY À§¾Ï 615)¿¡¼­´Â 'ÃÖ±Ù¿¡´Â È¥ÀçÇü¿¡¼­µµ ESD¸¦ ÇÒ ¼ö ÀÖ´Ù'°í Çϼ̱⿡ Á¶±Ý È¥¶õ½º·´½À´Ï´Ù.

[2018-7-28. ÀÌÁØÇà ´äº¯]

À§¾ÏÀ» Á¶Á÷Çü¿¡ µû¶ó ºÐÈ­Çü°ú ¹ÌºÐÈ­ÇüÀ¸·Î ³ª´©´Â °ÍÀº ¾ö¹ÐÇÑ ¹æ¹ýÀº ¾Æ´ÏÁö¸¸, Æí¸®ÇÑ Ãø¸éÀÌ À־ ESD ¿µ¿ª¿¡¼­ Á¾Á¾ »ç¿ëµÇ°í ÀÖ½À´Ï´Ù. ºÐÈ­Çü°ú ¹ÌºÐÈ­ÇüÀÌ ¼¯ÀÎ ¹ÌºÐÈ­ È¥Àç¾ÏÀº ¾ÆÁ÷ ±× Á¤ÀÇÁ¶Â÷ ¸íÈ®ÇÏÁö ¾Ê½À´Ï´Ù. Histological heterogeneity¶ó°í Ç¥ÇöµÇ±âµµ ÇÕ´Ï´Ù. °°Àº ¸»ÀÔ´Ï´Ù.

¹ÌºÐÈ­ È¥Àç¾ÏÀÌ ºÐÈ­Á¶Á÷Çüº¸´Ù ³ª»Û °ÍÀº Ʋ¸²¾ø½À´Ï´Ù. ±×·±µ¥, ¹ÌºÐÈ­ È¥Àç¾ÏÀ» ¼ø¼öÇÑ ¹ÌºÐÈ­ Á¶Á÷Çü ¾Ï°ú ºñ±³ÇÏ¸é ¾î¶³±î¿ä? Á÷°üÀûÀ¸·Î´Â ¹ÌºÐÈ­ È¥ÀçÇüÀº ºÐÈ­Á¶Á÷Çü°ú ¹ÌºÐÈ­Á¶Á÷ÇüÀÇ Áß°£ Á¤µµÀÏ °Í °°Áö¸¸, ¿¬±¸ °á°ú´Â ¼¯ÀÎ °ÍÀº ¼ø¼øÇÑ °Íº¸´Ù ³ª»Ú´Ù´Â °ÍÀÔ´Ï´Ù (Shim CN. Surg Endosc 2015). Àúµµ ¹ÌºÐÈ­ È¥Àç¾ÏÀº ¼ø¼öÇÑ ¹ÌºÐÈ­ Á¶Á÷Çü (P/D ȤÀº SRC) À§¾Ïº¸´Ù ºñ½ÁÇϰųª ´õ ³ª»Ü °ÍÀ¸·Î »ý°¢ÇÏ°í ÀÖ½À´Ï´Ù.

³»½Ã°æ À°¾È ¼Ò°ßÀÌ ºÐÈ­Á¶Á÷Çü À§¾Ï¿¡ °¡±î¿îµ¥ Á¶Á÷°Ë»ç¿¡¼­ mixed typeÀ¸·Î ³ª¿À¸é Á¶½É½º·´°Ô ESD¸¦ ½ÃÇàÇÒ ¼ö ÀÖ½À´Ï´Ù. ¹°·Ð Å©±â ±âÁØÀ» ¾ö°ÝÇÏ°Ô Àû¿ëÇÕ´Ï´Ù. 1-2cm À̻󿡼­´Â Àý´ë ½ÃÇàÇÏÁö ¾Ê´Â °ÍÀÌÁö¿ä.

ÀÓ»ó¿¡¼­´Â ESD Àü Á¶Á÷°Ë»ç¿¡¼­´Â ºÐÈ­Á¶Á÷Çü À§¾ÏÀ¸·Î ³ª¿Ô´Âµ¥ ESD ÈÄ ÃÖÁ¾ º´¸®°á°ú°¡ ¹ÌºÐÈ­ È¥ÀçÇüÀ¸·Î ³ª¿Â °æ¿ì°¡ ¸¹½À´Ï´Ù.

(1) ¹ÌºÐÈ­ È¥Àç¾ÏÀÌ´õ¶óµµ Á¡¸·¾ÏÀÌ°í (2cm ÀÌÇÏÀ̸鼭) ÀýÁ¦ º¯¿¬ÀÌ À½¼ºÀÌ¸é ¿ÏÀüÀýÁ¦·Î °£ÁÖÇÏ°í °æ°ú°üÂûÀ» ÇÕ´Ï´Ù.

(2) ¹ÌºÐÈ­ È¥Àç¾ÏÀÌ°í Á¡¸·ÇϾÏÀÌ¸é ¼ö¼úÇÏ´Â °æ¿ì°¡ ¸¹½À´Ï´Ù. ÀÌ ºÎºÐÀº ´Ù¼Ò ³í¶õÀÌ ÀÖ¾î case by case·Î Á¢±ÙÇÕ´Ï´Ù. ÀϹÝÀûÀÎ curative resection criteria¿¡ ¸¸Á·ÇÏ¸é °æ°ú°üÂûÀ» Çϱ⵵ ÇÕ´Ï´Ù.

Min. 2015

(3) ¹®Á¦´Â ¹ÌºÐÈ­ È¥Àç¾ÏÀÌ°í ÀýÁ¦ º¯¿¬ÀÌ ¾ç¼ºÀÎ °æ¿ìÀÔ´Ï´Ù. ºÐÈ­Á¶Á÷Çü À§¾Ï¿¡ ÀýÁ¦º¯¿¬ÀÌ ¾ç¼ºÀ̸é Ãß°¡ ÀýÁ¦¼úÀ» Çϰųª, ¼ÒÀÛ¼úÀ» Çϰųª, Á¶½É½º·´°Ô °æ°ú°üÂûÀ» ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¹ÌºÐÈ­ È¥Àç¾Ï¿¡¼­ ÀýÁ¦ º¯¿¬ÀÌ ¾ç¼ºÀ̸é residual tumorÀÇ °¡´É¼ºÀÌ ³ô½À´Ï´Ù. ¹ÌºÐÈ­ È¥Àç¾ÏÀº ³»½Ã°æ À°¾È¼Ò°ßÀ¸·Î À§¾ÏÀÇ °æ°è¸¦ ¸íÈ®È÷ È®ÀÎÇϱ⠾î·Æ°í, ESD ÈÄ multiple lateral margin involvement°¡ ÀÚÁÖ ¹ß°ßµË´Ï´Ù (Lee JH. Surg Endosc 2015). Àú´Â ¹ÌºÐÈ­ È¥Àç¾ÏÀε¥ ÀýÁ¦º¯¿¬ÀÌ ¾ç¼ºÀ̸é, ƯÈ÷ ¹ÌºÐÈ­¾ÏÀÌ ÀýÁ¦º¯¿¬¿¡¼­ ¹ß°ßµÇ¸é ¼ö¼úÀ» ±ÇÇÏ°í ÀÖ½À´Ï´Ù. ¹®ÀÇÇϽŠEndoTODA À§¾Ï 650ÀÇ º´¸®°á°ú¸¦ º¸¸é "involvement of proximal margin by carcinoma (poorly differentiated)"¶ó´Â ºÎºÐÀÌ ÀÖ¾ú½À´Ï´Ù. ¼ö¼ú ÈÄ ÃÖÁ¾ º´¸®¿¡¼­µµ residual tumor°¡ ÀÖ´Â °ÍÀ¸·Î ³ª¿Í¼­ ¼ö¼úÀ» ±ÇÇϱæ Àß Çß´Ù°í »ý°¢ÇÏ¿´½À´Ï´Ù.

Lee. 2015

Àú¿Í ÇÔ²² ÀÏÇÏ°í ÀÖ´Â ¹Îº´ÈÆ ±³¼ö²²¼­ »ï¼º¼­¿ïº´¿øÀÇ ¹ÌºÐÈ­ È¥Àç¾Ï ESD ¼ºÀû¿¡ ´ëÇÏ¿© º¸°íÇÑ ¹Ù ÀÖÀ¸´Ï Âü°íÇϽñ⠹ٶø´Ï´Ù (Min BH. Gastric Cancer 2015).

Min. 2015

Min. 2015

Min. 2015

En bloc resection and en bloc with R0 resection rates in MUC-EGC cases were 94.1 % and 81.7 %, respectively. MUC-EGC was significantly associated with larger tumor size, more frequent submucosal invasion, and lymphovascular invasion compared to PuD-EGC. Despite these aggressive features of MUC-EGC, no lymph node metastasis or extragastric recurrence occurred during follow-up after ESD if MUC-EGC met the curative endoscopic resection (ER) criteria for tumors of absolute or expanded indications.


[2019-5-13. ¾Öµ¶ÀÚ ÆíÁö]

±³¼ö´ÔÀÇ °¡¸£Ä§ ´öºÐ¿¡ ESD¸¦ ¿­½ÉÈ÷ ÇÏ°í ÀÖ½À´Ï´Ù. Àú¹ø ´Þ¿¡ 5°³¸¦ Çߴµ¥ antrumÀº ¾È ¿À°í body¶û angle¸¸ ¿Í¼­ óÀ½¿¡´Â ¸¹ÀÌ Èûµé¾ú´Âµ¥, ±×·¡µµ Á¶±Ý¾¿ ³ª¾ÆÁö´Â °Í °°¾Æ ´ÙÇàÀÔ´Ï´Ù. 1³â µ¿¾È ±³¼ö´Ô ¿·¿¡¼­ º» ´öºÐ¿¡ ESD Çϸ鼭 ¸Ó¸®°¡ ¾Æ´Ñ ¸öÀÌ ¸ÕÀú ¿òÁ÷ÀÌ°í ÀÖ´õ¶ó°í¿ä..¤¾¤¾

ÃÖ±Ù EndoTODAY¿¡ mixed adenocarcinoma¿¡ ´ëÇÑ Æ÷½ºÆÃÀ» ºÃ´Âµ¥, Àúµµ ¾î¶»°Ô ÇؾßÇÒ Áö °í¹ÎÀ̶ó Á¶¾ðÀ» ±¸ÇÏ°íÀÚ ÇÕ´Ï´Ù. 70¼¼ ¿©ÀÚ·Î Á÷Àå¾Ï°ú ³úÃâÇ÷ÀÇ º´·ÂÀÌ ÀÖ´Â ºÐÀ¸·Î LC of LB¿¡ 1.5cm Á¤µµµÇ´Â IIa+IIc º´º¯ÀÌ ÀÖ¾î ESD ½ÃÇàÇÏ¿´½À´Ï´Ù.


Stomach, angle, endoscopic submucosal dissection: MIXED ADENOCARCINOMA (Tubular adenocarcinoma, moderately differentiated, 60%, Poorly cohesive carcinoma, 20%, and Mucinous adenocarcinoma, 20%)
1) Size: about 1.59 x 0.83 cm
2) Invades into the mucosa and muscularis mucosa
3) Depth: Total tumor depth: 0.07 cm, No submucosal invasion
4) Lymphovascular invasion: not present
5) Resection margin: free from the tumor
- Distance from the closest lateral margin: 1.31 cm
- Distance from the closest deep margin: 0.03 cm
Immnohistochemical stain: p53: (-), Aberrant expression, HER2 (c-erbB2): (Negative, -), MLH-1 (+)

MM±îÁö¸¸ ħ¹üÇß°í, ¼ö¼úÀ» Çϱ⿡´Â °í·É ¹× underlying diseases°¡ ÀÖ¾î close observationÀ» ÇÏ·Á°í Çϴµ¥, ±¦ÂúÀ»±î¿ä?

[2019-5-13. ÀÌÁØÇà ´äº¯]

¾È³çÇϽʴϱî.

ESD ÈÄ ÃÖÁ¾ º´¸®°á°ú ¹ÌºÐÈ­ È¥Àç¾Ï(mixed, histological heterogeneity)À¸·Î ³ª¿À¸é ´Ã °í¹ÎÀÔ´Ï´Ù. ¼ø¼öÇÏ°Ô ¹ÌºÐÈ­ Á¶Á÷Çü À§¾ÏÀÌ°í 2cm ÀÌÇÏÀÌ°í Á¡¸·¾ÏÀ̸é Ãß°¡ Ä¡·á ¾øÀÌ °æ°ú°üÂûÀ» Çϴµ¥, ¹ÌºÐÈ­ È¥Àç¾ÏÀÇ °æ¿ì´Â ¼ø¼øÇÑ ¹ÌºÐÈ­ Á¶Á÷Çü¾Ï À§¾Ï¿¡ ºñÇÏ¿© Á» ´õ aggressiveÇÏ´Ù´Â ¿¬±¸ °á°ú(Shim CN. Surg Endosc 2015)µµ À־ °í¹ÎÇÏÁö ¾ÊÀ» ¼ö ¾ø½À´Ï´Ù. 2018³â ÇÑ ¾Öµ¶ÀÚ Áú¹®°ú ´äº¯À» º¸½Ã¸é ÀúÀÇ Á¢±Ù¹ýÀ» º¸½Ç ¼ö ÀÖÀ» °ÍÀÔ´Ï´Ù. ´Ù½Ã ¸»¾²µå¸®¸é...

(1) ¹ÌºÐÈ­ È¥Àç¾Ï, Àå°æ 2cm ÀÌÇÏ, Á¡¸·¾Ï, ÀýÁ¦ º¯¿¬ À½¼º, L/V (-/-)ÀÌ¸é ¿ÏÀüÀýÁ¦·Î º¸°í °æ°ú°üÂûÀ» ÇÕ´Ï´Ù.

(2) ¹ÌºÐÈ­ È¥Àç¾ÏÀÌ°í Á¡¸·ÇϾÏÀÌ¸é ¼ö¼úÀ» ±ÇÇÕ´Ï´Ù. È¥Àç¾ÏÀÌ ¾Æ´Ñ pureÇÑ ¹ÌºÐÈ­ Á¶Á÷Çü À§¾Ï¿¡¼­µµ Á¡¸·ÇϾÏÀÌ¸é ¼ö¼úÀ» ±ÇÇÕ´Ï´Ù. SM 500um¶ó´Â ±âºÐÀº ºÐÈ­Çü À§¾Ï¿¡¼­¸¸ Àû¿ëÇÏ°í ÀÖ½À´Ï´Ù.

(3) ¹ÌºÐÈ­ È¥Àç¾Ï Áß (1) Á¡¸·¾Ï 2cm ÃÊ°ú, (2) Á¡¸·¾Ï lateral margin positive´Â ¾Ö¸ÅÇÕ´Ï´Ù. Case-by-case·Î Á¢±ÙÇÏ°í ÀÖ½À´Ï´Ù.

ÀÌ·¯ÇÑ ±âÁØ¿¡ µû¸£¸é ºñ·Ï ¹ÌºÐÈ­ È¥Àç¾ÏÀÌÁö¸¸ ±ò²ûÇÑ ³»½Ã°æ ½Ã¼úÀÌ µÇ¾ú°í, Á¡¸·¾ÏÀÌ°í, 2cm ÀÌÇÏÀÌ°í, ´Ù¸¥ Àç¹ß À§ÇèÀÌ ¾øÀ¸¹Ç·Î ȯÀÚÀÇ °Ç°­»óÅÂ¿Í ¹«°üÇÏ°Ô ¼ö¼úÀ̳ª Ç×¾ÏÄ¡·á µî Ãß°¡Ä¡·á°¡ ÇÊ¿äÇÏÁö ¾Ê´Ù°í »ý°¢ÇÕ´Ï´Ù. ƯÈ÷ ¹®ÀÇÇϽŠȯÀÚ´Â °í·ÉÀÌ°í ŸÀå±â Áúȯµµ ÀÖÀ¸¹Ç·Î ´õ¿í ±×·¯ÇÕ´Ï´Ù. Primary cancer Àç¹ß°ú metachronous cancer¸¦ Æ÷ÇÔÇÏ¿© ´ë°­ 5³â 5% Àç¹ß·üÀ» ¿¹»óÇÏ´Â »óÅ¿¡¼­ °æ°ú°üÂû ÇÒ ¼ö ÀÖ´Ù°í »ý°¢ÇÕ´Ï´Ù.


[References]

1) EndoTODAY ¹ÌºÐÈ­ È¥Àç¾Ï

2) À§¾Ï 615 - ¹ÌºÐÈ­ È¥Àç¾Ï ESD¿¡ ´ëÇÑ ½Ã¼ú ÀüÈÄ È¯ÀÚ ¼³¸í

3) À§¾Ï 644 - ESD ÈÄ ÃÖÁ¾ º´¸®°á°ú¿¡¼­ ¿©·¯ À§ÇèÀÎÀÚ°¡ Àִ ȯÀÚ¿¡°Ô ¾î¶»°Ô ¼³¸íÇÒ °ÍÀΰ¡? Minute SM invasion and histological heterogeneity

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