Parasite | Eso | Sto | Cancer | ESD
[ÀýÁ¦ º¯¿¬ ¾ç¼º. Lateral margin positivity after ESD] - ðû
1. Ratio of multiple lateral margin positivity in ESD specimen
2. Second ESD for positive lateral margin
3. Ablation treatment for positive lateral margin
4. Long-term outcomes of lateral margin positivity
5. Lateral margin positiveÀÇ ºóµµ, risk factor, outcome¿¡ ´ëÇÑ ¿©·¯ ³í¹®µé
6. Scoring system¿¡ ±Ù°ÅÇÑ Ä¡·á¹æħ °áÁ¤
7. º´¸®ÇÐÀû °í·Á - EGC IIbÀÇ º´¸®ÇÐÀû Ư¡
8. Cases
9. FAQs
10. References
2023³â ¹ßÇ¥µÈ À§¾Ïº´¸® °¡À̵å¶óÀο¡´Â ¾Æ·¡¿Í °°Àº ¾ð±ÞÀÌ ÀÖ½À´Ï´Ù.
If the lateral margin is close (=<0.2cm) or is involved in the tumor, the corresponding directions should be written together.
1. [SMC experience] Ratio of multiple lateral margin positivity in ESD specimen
»ï¼º¼¿ïº´¿ø¿¡¼ ESD ÈÄ lateral margin positive¿´´ø ȯÀÚ¸¦ ºÐ¼®ÇÑ ÀÚ·áÀÔ´Ï´Ù. (Lee JH. Surg Endosc 2015) ¸¹Àº ¼ö°í¸¦ ÇØ ÁֽŠÀÌÁØÈñ ¼±»ý´Ô²² °¨»çµå¸³´Ï´Ù. Á¦1 ÀúÀÚ¿Í(ÀÌÁØÈñ, Lee JH) ±³½ÅÀúÀÚ(ÀÌÁØÇà, Lee JH)ÀÇ initialÀÌ °°Àº µå¹® °æ¿ìÀÔ´Ï´Ù.^^
In our institution, lateral margin involvement is evaluated and reported in 4 directions. In about 14 hundred early gastric cancers treated by ESD, lateral margin involvement was documented in 5.5%. Among them, 60% were single lateral margin positive. 40% were multiple lateral margin positive.
Histologic heterogeneity was seen in 25% and 46%, respectively. Extremely well differentiated adenocarcinoma was 7% and 25% in the two groups. This difference was statistically significant. Cases of technical difficulty was the same in the two groups. Surprisingly, the procedure time was shorter in the multiple lateral margin positive group. We thought that the technical aspect was not related to the number of positive lateral margin.
In this figure, yellow bar is the proportion of the cases with HH or EWDA. It showed that the ratio of HH or EWDA is increasing according to the number of lateral margin positive direction. And the difference was statistically significant.
°á±¹ histologic heterogeneity ȤÀº EWDA extremely well differentiated adenocarcinoma¿¡¼ multiple lateral margin involvement°¡ ¸¹¾Ò´Ù´Â °ÍÀÔ´Ï´Ù. °¡º¿î ¸¶À½À¸·Î ¾ÆÁÖ ½±°Ô ESD¸¦ ÇÑ ÈÄ multiple lateral marginÀÌ ³ª¿À´Â °ÍÀε¥ Àӻ󰡷μ´Â »ó´çÈ÷ ´çȲ½º·¯¿î ÀÏÀÔ´Ï´Ù.
Ä¡·á ¼ºÀûÀÔ´Ï´Ù. Ä¡·á¸¦ ¹ÞÁö ¾ÊÀº ȯÀÚ 1¸í¸¸ ±¹¼ÒÀç¹ßÀ» º¸¿´°í ´Ù¸¥ ȯÀÚµéÀº ´Ù¾çÇÑ ¹æ¹ýÀ¸·Î Àß Ä¡·áµÇ¾ú½À´Ï´Ù.
2. [SMC experience] Second ESD for positive lateral margin
»ï¼º¼¿ïº´¿øÀÇ ÀýÁ¦º¯¿¬¾ç¼º¿¡ ´ëÇÑ second ESDÀÇ Ãʱ⠰æÇèÀÌ ¹ßÇ¥µÇ¾ú½À´Ï´Ù. (Bae SY. GIE 2012) ÃÖ±Ù¿¡´Â ÀýÁ¦º¯¿¬¾ç¼ºÀÌ µå¹°¾î¼ ÀÚÁÖ ½ÃÇàµÇÁö ¾Ê°í ÀÖ´Â ½Ã¼úÀÔ´Ï´Ù.
During the past 8 years, we performed 1,400 ESDs for early gastric cancers. The overall rate of positive lateral resection margin was 5 percent. Early additional ESD was done in 16 cases. Curative resection by early additional ESD was possible in all cases except one case. In the additional ESD pathology, residual cancers were found in 10 cases. There was no residual tumor in 3 cases. We thought that early additional ESD is quite useful in selected cases with positive resection margin.
3. [SMC experience] Ablation treatment for positive lateral margin (EndoTODAY 20121220)
In cases with lateral margin involvement after ESD, early additional ablation treatment is another important treatment option. In this case, posterior resection margin was positive of malignancy.
Although no residual tumor was suspected in the repeat endoscopy, ablation treatment using argon plasma coagulation (APC) was done. There was no recurrence in the follow-up endoscopies for more than 4 years.
A few weeks ago, I received a question about the safety of ablation treatment of positive resection margin. The point was that we don¡¯t know the depth of invasion of the possible residual tumor near the positive resection margin. Let¡¯s suppose this is the tumor.
Endoscopic resection will be done like this, and one resection margin was positive. Yes, I agree. We don¡¯t have the information about the depth of invasion of the possible residual tumor. However, we already have information of depth of invasion from most of the tumor. Usually the invasion is deepest in the middle of the tumor.
In this regard, ablation treatment (green area in the picture below) can be done quite safely.
4. [SMC experience] Long-term outcomes of lateral margin positivity
»ï¼º¼¿ïº´¿øÀÇ ÀýÁ¦º¯¿¬ ¾ç¼º¿¡ ´ëÇÑ Àå±â ÃßÀû °á°ú°¡ ¹ßÇ¥µÇ¾ú½À´Ï´Ù. (Kim TS. Gut Liver 2022)
ÀýÁ¦º¯¿¬ ¾ç¼º¿¡ ´ëÇÑ ESD¸¦ ÇÏ¿´´ø 25¸í Áß 1¸í¿¡¼, APC À» ÇÏ¿´´ø 29¸í Áß 2¸í¿¡¼ recurrent/residual lesionÀÌ ¹ß°ßµÇ¾ú½À´Ï´Ù. ¼ö¼úÀ» °ÅºÎÇÑ È¯ÀÚ ÇѺÐÀ» Á¦¿ÜÇÏ°í Ãß°¡ Ä¡·á·Î ¸ðµÎ ¿ÏÄ¡µÇ¾ú½À´Ï´Ù.
[Áõ·Ê 1, 2017³â, ³²ÀÚ 58¼¼] M/D 40mm LP¾Ï 2 laterl margins (proximal, anterior) invasionÀ¸·Î ESD (8mm LP¾Ï)ÇÏ¿´°í 2³â ÈÄ ±¹¼ÒÀç¹ß·Î ¼ö¼ú (3.1cm LP¾Ï)
[Áõ·Ê 2, 2014³â, ¿©ÀÚ 80¼¼] ³¯¹® M/D 8mm LP¾Ï 2 lateral margin invasion. APC ½ÃÇà. 54°³¿ù ÈÄ ±¹¼Ò Àç¹ß ¹ß°ß
[Áõ·Ê 3, 2020³â, ³²ÀÚ 75¼¼] W/D 12mm MM¾Ï 1 laterl margin (distal) invasionÀ¸·Î APC ½ÃÇà. 16°³¿ù ÈÄ ±¹¼ÒÀç¹ß·Î ¼ö¼ú (1.5cm LP¾Ï)
5. Lateral margin positiveÀÇ ºóµµ, risk factor, outcome¿¡ ´ëÇÑ ¿©·¯ ³í¹®µé
2012³â ¼øõÇâ´ëÇб³ ºÎõº´¿ø È«¼öÁø ±³¼ö´Ô ÆÀ¿¡¼ Á¶±âÀ§¾Ï ³»½Ã°æ Ä¡·á ÈÄ lateral margin positive Áõ·ÊÀÇ ºóµµ¿Í outcomeÀ» case series·Î ¹ßÇ¥Çϼ̽À´Ï´Ù (Han JP. GIE 2012). Expanded indication ȯÀÚÀÇ ºñÀ²ÀÌ ³ôÀº ÆíÀ̾ú°í µû¶ó¼ lateral margin positive rate°¡ ´Ù¼Ò ³ô¾Ò½À´Ï´Ù. ¾à Àý¹ÝÀÇ È¯ÀÚ¿¡¼ ÀÏ´Ü endoscopic surveillance ÈÄ Àç¹ßÇϸé Àû±ØÀûÀ¸·Î ESD¸¦ ´Ù½Ã ½ÃÇàÇÏ´Â Àü·«À̾ú½À´Ï´Ù. È¿°úÀûÀ¸·Î Àß Ä¡·áµÇ¾ú½À´Ï´Ù.
2013³â ¼¿ï´ëÇб³º´¿ø ±è»ó±Õ ±³¼ö´Ô ÆÀ¿¡¼ Á¶±âÀ§¾Ï ³»½Ã°æ Ä¡·á ÈÄ resection margin positive Áõ·ÊÀÇ ºóµµ¿Í outcomeÀ» ¹ßÇ¥ÇÏ¿´½À´Ï´Ù (Yoon H. Surg Endosc 2013). ¾Æ½±°Ôµµ lateral margin positive¿Í deep margin positive°¡ ¼¯¿© ÀÖ¾î¼ ´Ù¸¥ º¸°í´Â ¾î·Á¿üÁö¸¸ lateral margin positive only´Â 5.3% (54/1,012)¿´½À´Ï´Ù. °æ°ú°üÂû ±º¿¡¼ recurrence´Â »ó´çÈ÷ ¸¹¾Ò´Âµ¥, deep margin positive ȯÀÚ°¡ Àý¹Ý ÀÌ»óÀ̾ú±â ¶§¹®¿¡ lateral margin positive only ȯÀÚ¿¡¼ÀÇ °æ°ú´Â ¾Ë ¼ö ¾ø¾ú½À´Ï´Ù.
2014³â ÀϺ» µ¿°æ¾Ï¼¾ÅÍ¿¡¼ °æ°ú°üÂûÇÑ lateral margin positive ȯÀÚ¸¦ ºÐ¼®ÇÏ¿© 6mm ÀÌ»ó margin involvement°¡ ÀÖÀ» ¶§ Àç¹ßÀÌ ¸¹´Ù°í º¸°íÇÏ¿´½À´Ï´Ù (Sekiguchi M. Endoscopy 2014). EnrollµÈ ȯÀÚ±ºÀ» Àß »ìÆ캼 ÇÊ¿ä°¡ ÀÖ¾î º¸¿´½À´Ï´Ù.
Among 3784 EGCs (3316 patients) treated by ESD between 1997 and 2010, 77 noncurative differentiated-type EGCs (75 patients) were retrospectively analyzed after meeting the following inclusion criteria: 1) the only noncurative factor was a cancer-positive lateral margin; 2) close observation was selected after the ESD; and 3) > 1 year follow-up after ESD.
2015³â ºÎ»ê´ëº´¿ø ±è±¤ÇÏ ±³¼ö´Ô ÆÀ¿¡¼ Á¶±âÀ§¾Ï ³»½Ã°æÄ¡·á ÈÄ lateral margin positive¿¡¼ Àç¹ßÀ§ÇèÀÎÀÚ¸¦ ºÐ¼®ÇÏ¿´½À´Ï´Ù (Kim TK. Surg Endosc 2015). Lateral margin positiveÀÇ ¿øÀÎÀ» ¼¼°¡Áö·Î ³ª´« Á¡ÀÌ Èï¹Ì·Î¿ü½À´Ï´Ù.
6. Scoring system¿¡ ±Ù°ÅÇÑ Ä¡·á¹æħ °áÁ¤
2015³â ¼¿ï´ëÇб³ ºÐ´çº´¿ø ¹Ú¿µ¼ö ±³¼ö´Ô ÆÀ¿¡¼ Á¶±âÀ§¾Ï ³»½Ã°æÄ¡·á ÈÄ lateral margin positive Áõ·Ê¿¡¼ Àç¹ß·üÀ» ºÐ¼®ÇÏ¿© scoring systemÀ» Á¦¾ÈÇÏ¿´½À´Ï´Ù (Hwang JJ. Surg Endosc 2015 (Epub)). ESD°¡ ¾Æ´Ñ EMR Áõ·Ê°¡ Æ÷ÇԵǾú°í, lateral magin ÀÌ¿ÜÀÇ incomplete resection Áõ·Ê°¡ Æ÷ÇԵǾú±â ¶§¹®ÀÌ°ÚÁö¸¸ ±¹¼Ò ÀÜ·ù º´¼Ò³ª ±¹¼Ò Àç¹ß ºóµµ°¡ Á¦¹ý ³ô¾Ò½À´Ï´Ù (34.5%). Scoring systemÀº Àß ¸¸µé¾îÁø °Í °°½À´Ï´Ù. ±×·¯³ª Åë»óÀûÀÎ º´¸® report form¿¡ µé¾îÀÖÁö ¾ÊÀº ÀÎÀÚ°¡ Æ÷ÇԵǾú´Ù´Â Á¡¿¡¼ ½ÇÁ¦ÀûÀÎ À¯¿ë¼ºÀº ´Ù¼Ò ¿ì·Á½º·´½À´Ï´Ù.
Eighty-two patients (84 lesions) with LRM+ after EMR (n = 45) or ESD (n = 39) were enrolled. Forty patients underwent additional gastrectomy or ESD, and 44 were closely observed. The residual/recurrent tumor rate was 34.5 % (29 of 84 lesions). Univariate analysis found that the residual/recurrent tumor was associated with the endoscopic resection type (EMR), undifferentiated histology, number of involved directions, rate of lateral resection margin involvement and the total length (mm) of the lateral resection margin involved by the tumor. In multivariate logistic regression analysis, undifferentiated histology and rate (%) were independent risk factors.
Figure 3¿¡¼ 'lateral resection margin positive only'ÀÇ only¸¦ ÁÖÀÇÇؼ º¸½Ã±â ¹Ù¶ø´Ï´Ù. SM invasionÀ̳ª lymphatic invasion°ú °°Àº risk of lymph node involvement Áõ·Ê´Â scoring system Àû¿ë ´ë»óÀÌ ¾Æ´Õ´Ï´Ù. ¼ö¼úÀ» ±ÇÇØ¾ß ÇϹǷÎ.
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µÎ ´Þ ÈÄ·Î ÀâÇôÀÖ´Â ³»½Ã°æ °Ë»ç´Â Ãë¼ÒÇÏ°Ú½À´Ï´Ù.
°èȹ: ¿Ü°ú ÀÇ·Ú (À§Ã¼ºÎ ¼Ò¸¸ÀÇ °æ°è°¡ ºÒºÐ¸íÇÑ Á¶±âÀ§¾Ï¿¡ ´ëÇÑ ESD¸¦ ½ÃÇàÇÏ¿´À¸³ª ¼¼Æ÷ÇüÀÌ WHYXÀÌ°í resection marginÀÌ 3 ¹æÇâ involvement¸¦ º¸¿© ¼ö¼úÀû Ä¡·á¸¦ À§ÇÏ¿© ÀǷڵ帳´Ï´Ù.)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)
[2015-11-24. ¾Öµ¶ÀÚ ÆíÁö]
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Lateral margin¸¸ positiveÀÎ °æ¿ì re-ESD°¡ ÀÌ¹Ì Á¤¸³µÈ Ä¡·á·Î ÇÐȸ µî¿¡¼ ¾ð±ÞµÇ´Â °æ¿ì°¡ ¸¹Àºµ¥, only lateral margin¸¸ ¾ç¼ºÀÎ non-curative resectionÀ» focusingÇÑ solidÇÑ °á°ú°¡ »ý°¢º¸´Ù ¾ø¾ú½À´Ï´Ù. ±×·¡¼, ¹ßÇ¥ ½½¶óÀ̵忡µµ 'only' lateral margin positive·Î only¿¡ »¡°£»öÀ¸·Î °Á¶Ç϶ó°í ¹ßÇ¥ÀÚ¿¡°Ô ¸»ÇÏ¿´´Âµ¥, ¼±»ý´Ô²²¼ only °Á¶¸¦ ¸»¾¸ÇØÁּż ÀÐÀ¸¸é¼ ¸¹ÀÌ ¿ô¾ú½À´Ï´Ù.^^;;
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[2015-11-24. ÀÌÁØÇà ´äº¯]
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1) EndoTODAY À§¾Ï 425 - ¹ÌºÐÈ È¥Àç¾Ï ESD ÈÄ ´Ù¹ß¼º ÀýÁ¦º¯¿¬ ¾ç¼º Áõ·Ê
© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng.