Parasite | Eso | Sto | Cancer | ESD
[Endoscopy expert meeting with Stepan Suchaneck] - Recent
½Ã°£: 2019³â 3¿ù 22ÀÏ (±Ý) 18:30-20:30
1. Colon cancer screening in Czech republic (Stepan Suchaneck ½´Å¸Ææ ½´Ä«³Ø)
Stepan Suchaneck ±³¼ö´Â ¸Å¿ì Èï¹Ì·Î¿î ÀÚ·á·Î À̾߱⸦ ½ÃÀÛÇÏ¿´½À´Ï´Ù. üÄÚ °øȱ¹Àº ´ëÀå¾Ï ¹ß»ý·ü ¼¼°è 23À§, »ç¸Á·ü ¼¼°è 22ÀÎ ¹Ý¸é, ´ëÇѹα¹Àº ¹ß»ý·ü ¼¼°è 2À§, »ç¸Á·ü 72À§¶ó´Â °ÍÀÔ´Ï´Ù.
üÄÚ¿¡¼ ´ëÀå¾Ï °ËÁø ³»½Ã°æÀÇ adenoma detection rate´Â 36%, cancer´Â 3.2%ÀÔ´Ï´Ù. °ËÁø ³»½Ã°æÀ» ÅëÇØ ¹ß°ßµÇ´Â ´ëÀå¾ÏÀº 45%°¡ 1±âÀÔ´Ï´Ù (Åë»óÀûÀ¸·Î´Â 27%¶ó°í ÇÔ).
üÄÚ ¾Ï°ËÁø ÇÁ·Î±×·¥Àº 2000³â Fecal occult blood test·Î ½ÃÀÛÇß½À´Ï´Ù. 2010³â new designÀ» µµÀÔÇÏ¿´´Âµ¥ 50¼¼ºÎÅÍ ¸Å³â FIT¸¦ ¹Þ´Ù°¡ 55¼¼¿¡ (1) 2³â¿¡ Çѹø FIT¸¦ ¹Þ°Å³ª (2) 10³â °£°ÝÀÇ ´ëÀå³»½Ã°æÀ» ¹Þ´Â ¹æ¹ý Áß Çϳª¸¦ ȯÀÚ°¡ ¼±ÅÃÇÏ´Â ¹æ½ÄÀÔ´Ï´Ù. ÇöÀç ´ëÀå³»½Ã°æÀ» ¼±ÅÃÇÏ´Â »ç¶÷Àº 1%¿¡ ºÒ°úÇÑ ½ÇÁ¤ÀÔ´Ï´Ù. ȯÀÚ Áø·á¿¡ GP°¡ ±í°Ô °ü¿©Çϴ üÄÚ Æ¯À¯ÀÇ ÀÇ·á½Ã½ºÅÛ¿¡ ÀÇÇÏ¿© ´ëÀå³»½Ã°æ °ËÁøÀÌ ÀûÀº °ÍÀ̶ó´Â Çؼ®ÀÔ´Ï´Ù.
50¼¼¿¡ ´ëÀå¾Ï°ËÁøÀ» ½ÃÀÛÇϴµ¥ Birthday invitationÀ̶ó´Â ¹æ½ÄÀ¸·Î ÃÖ±Ù 3³â À̳»¿¡ FIT¸¦ ¹ÞÀº »ç¶÷À̳ª ÃÖ±Ù 5³â À̳»¿¡ ´ëÀå³»½Ã°æÀ» ¹ÞÀº »ç¶÷À» Á¦¿ÜÇÏ°í Àü±¹¹Î ´ë»óÀ¸·Î ´ëÀå¾Ï °ËÁø invitationÀ» º¸³½´Ù°í ÇÕ´Ï´Ù. °Ë»ç´Â »ýÀÏ ´ÞÀ̳ª ±× ´ÙÀ½ ´Þ¿¡ ¹Þµµ·Ï ±ÇÇÏ°í ÀÖ´Ù´Ï Èï¹Ì·Î¿ü½À´Ï´Ù.
ÇöÀç´Â ´ëÀå¾Ï °ËÁøÀÇ age upper limit´Â ¾øÁö¸¸ ÇâÈÄ 69¼¼¸¦ upper limit·Î »ïÀ»Áö °ËÅä ÁßÀ̶ó°í ÇÕ´Ï´Ù.
2. Surveillance colonoscopy: moving toward "precision surveillance" (»ï¼º¼¿ïº´¿ø ±èÅÂÁØ)
Low risk adenoma¶õ 1 ¶Ç´Â 2°³ÀÇ ÀÛÀº ¼±Á¾À» ÀǹÌÇϴµ¥ ÀÌ·± °æ¿ì ¿ì¸®³ª¶ó °¡À̵å¶óÀο¡¼´Â 5³â ÈÄ ¹Ì±¹ °¡À̵å¶óÀο¡¼´Â 5³â¿¡¼ 10³â ÈÄ f/u ÇÒ °ÍÀ» ±ÇÀ¯ÇÏ°í ÀÖ½À´Ï´Ù. Low risk adenoma ¿¡ ´ëÇÑ surveillance intervalÀº adenoma °¡ ¾ø´Â Á¤»ó ±×·ì°ú ºñ½ÁÇÏ°Ô Á¦½ÃµË´Ï´Ù. ±× ÀÌÀ¯´Â low risk adenoma ±ºÀÇ (1) metachronous advanced adenoma ¹ß»ý·ü, (2) ´ëÀå¾Ï ¹ß»ý·ü, (3) ´ëÀå¾Ï »ç¸Á·üÀÌ general populationÀ̳ª no adenoma ±º°ú ºñ½ÁÇϱ⠶§¹®ÀÔ´Ï´Ù.
¿ì¸®³ª¶ó ¿¬±¸ÀÔ´Ï´Ù. High risk groupÀº metachronous advanced adenoma ¹ß»ý·üÀÌ ³ô¾ÒÁö¸¸ low risk groupÀº Á¤»ó ±×·ì°ú Â÷ÀÌ°¡ ¾ø¾ú½À´Ï´Ù.
Low-risk adenoma ¿Í´Â ´Ù¸£°Ô high risk adenoma´Â ´ëÀå¾Ï »ç¸Á À§Çèµµ°¡ ´õ ³ô¾Ò½À´Ï´Ù.
Index colonoscopy ÈÄ ´ëÀå¾Ï ¹ß»ý·üÀÔ´Ï´Ù. Advanced adenoma°¡ ÀÖ¾ú´ø »ç¶÷ÀÌ ´ëÀå¾Ï¿¡ Àß °É¸³´Ï´Ù. ±×·¯³ª non-advanced adenoma¿´´ø »ç¶÷Àº ¼±Á¾ÀÌ ¾ø¾ú´ø »ç¶÷°ú Â÷ÀÌ°¡ ¾ø¾ú½À´Ï´Ù.
°°Àº ÀڷḦ ±×·¡ÇÁ·Î º¸¿©ÁÖ´Â °ÍÀÔ´Ï´Ù.
High risk groupÀÇ ´ëÇؼµµ ¸î °¡Áö Ç®¸®Áö ¾ÊÀº À̽´°¡ ÀÖ½À´Ï´Ù. ³»½Ã°æ ÈÁúÀÌ ÁÁ¾ÆÁö¸é¼ 5mm ÀÌÇÏÀÇ ¸Å¿ì ÀÛÀº ¿ëÁ¾ ¹ß°ßÀ²ÀÌ Áõ°¡ÇÏ¿´°í ÀÌ·Î ÀÎÇØ ¼±Á¾¹ß°ßÀ²ÀÌ ³ô¾ÆÁ³½À´Ï´Ù. µû¶ó¼ "´Ù¼öÀÇ 5mm ÀÌÇÏ ÀÛÀº ¼±Á¾µé"µµ Á¤¸» high risk¿¡ ÇØ´çÇÏ´ÂÁö Àǹ®ÀÌ Á¦±âµÇ°í ÀÖ½À´Ï´Ù.
Multiple diminutive adenoma¿¡ ´ëÇÑ ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Âµ¥ screening colonoscopy¿¡¼ ÇÑ °³ ÀÌ»óÀÇ ¼±Á¾À» Á¦°ÅÇÑ »ç¶÷µéÀ» ´ë»óÀ¸·Î ºÐ¼®À» ÇÏ¿´½À´Ï´Ù. °¡À̵å¶óÀδë·Î 1-2 ÀÛÀº ¼±Á¾À» °¡Áø ȯÀÚµéÀ» low risk groupÀ¸·Î ±¸ºÐÇÏ°í high risk groupÀº ´ÙÀ½°ú °°ÀÌ 3°³ÀÇ ±×·ìÀ» ¼¼ºÐÈ ÇÏ¿´½À´Ï´Ù. Å©±â°¡ 3°³ ÀÌ»óÀÌÁö¸¸ diminutive non-advanced adenomaÀÎ °æ¿ì, Å©±â°¡ 6-9mmÀÇ small non-advanced adenoma°æ¿ì, advanced adenomaÀÎ °æ¿ì·Î ³ª´©¾î surveillance colonoscopy¿¡¼ÀÇ advanced neoplasiaÀÇ ¹ß»ýÀ» ºñ±³ÇÏ¿´½À´Ï´Ù. ´ç¿¬È÷ 1-2°³ÀÇ ÀÛÀº ¼±Á¾À» °¡Áø low risk group¿¡¼ ¹ß»ýÀÌ °¡Àå ÀÛ¾Ò°í diminutive, small, advanced adenoma¼øÀ¸·Î ¹ß»ýÀÌ Áõ°¡ÇÏ¿´½À´Ï´Ù. (ÀÌÁØÇà ñÉ: ±èÁ¤À±, ±èÅÂÁØ ¼±»ý´Ô. ¸ÚÁø ¿¬±¸ ÃàÇϵ帳´Ï´Ù.)
°Ë»ç¸¦ ½ÃÇàÇÑ ÀÇ»çÀÇ adenoma detection rateµµ Áß¿äÇÕ´Ï´Ù. ³·Àº ADRÀ» °¡Áø ³»½Ã°æÀǻ翡°Ô screeningÀ» ¹Þ°Ô µÇ¸é ³ôÀº ADRÀ» °¡Áø ³»½Ã°æ Àǻ翡°Ô ¹Þ´Â °Íº¸´Ù metachronous advanced neoplasiaÀÇ À§Çèµµ°¡ ³ô½À´Ï´Ù. µû¶ó¼ low-risk adenoma¸¦ °¡Áø »ç¶÷ÀÌ ¾çÁúÀÇ ´ëÀå³»½Ã°æÀ» ½ÃÇà¹Þ¾Ò´Ù¸é interval cancerÀÇ À§ÇèÀº ³ôÁö ¾Ê½À´Ï´Ù.
3. Pentax Medical - Optivista plus system°ú Imagina system
Pentax Optivista plus system. Image enhancement¸¦ °³¼±ÇÑ Á¦Ç°À¸·Î ±¤¿øÀº ³»½Ã°æ ½Ã½ºÅÛ¿¡ ÀÖ½À´Ï´Ù.
Pentax Imagina system. »ðÀԺΠ¸»´Ü¿¡ LED ±¤¿øÀ» ¼³Ä¡ÇÑ Çõ½ÅÀûÀÎ Á¦Ç°À¸·Î PentaxÀÇ ÃֽŠ¸ðµ¨ÀÔ´Ï´Ù.
1) Image enhancement of Pentax endoscope
Pentax´Â ºñ·Ï ±¤ÇÐÀû È®´ë³»½Ã°æÀ» Á¦°øÇÏÁö ¾Ê°í ÀÖÀ¸³ª, ¿À·¡ ÀüºÎÅÍ i-ScanÀ̶ó´Â image enhancement technology¸¦ Á¦°øÇÏ´ø ȸ»çÀÔ´Ï´Ù (World J Gastroenterol. 2010 - full text free).
OPTIVISTA system¿¡¼´Â i-ScanÀÇ mode¸¦ ¹Ù²ã¼ surface enhancement (SE)¿Í tone enhancement (TE) ±â´ÉÀ¸·Î ÀÌÇØÇϱ⠽±°Ô ¸¸µé¾ú´Ù°í ÇÕ´Ï´Ù. ¿©±â¿¡ optic filter¸¦ Àû¿ëÇÏ¿© Á¼Àº band¸¦ ÀÌ¿ëÇÑ optical enhancement (OE)¸¦ ´õÇÏ¿© ¼¼ °¡Áö mode°¡ °¡´ÉÇÏ°Ô µÇ¾ú½À´Ï´Ù.
i-Scan modes of OPTIVISTA system Mode ¿ëµµ Comments i-Scan 1 = SE (surface enhancement) Detection With SE, the difference in luminance intensity between the pixels concerned and the surrounding pixels is analyzed and the edge components are enhanced. i-Scan 2 = TE (tone enhancement) Pattern characterization i-Scan 3 = OE (optical enhancement) Vessel characterizaton An optical filter that produces bandwidth-limiting light. The main wavelenths of spectral transmission correspond to the peaks of the hemoglobin absoprtion spectrum and the light between these peaks is continously slightly emitted by raising baseline transmittance.
IMAGINA system¿¡¼´Â ±â°èÀûÀÎ optical filter¸¦ »ç¿ëÇÑ OE (optical enhancement)¸¦ ¾ø¾Ö°í, ´ë½Å contrast enhancement (CE)¶ó´Â softwareÀûÀÎ ¹æ¹ýÀ» Àû¿ëÇÏ¿´½À´Ï´Ù (Âü°í: i-scan technology).
i-Scan modes of IMAGINA system Mode ¿ëµµ Comments SE (surface enhancement) Detection CE (contrast enhancement) CE provides a sharper distinction between edges and contasting color by increasing the appearance of light-dark transition TE (tone enhancement) Pattern characterization
IMAGINA ³»½Ã°æ scope´Â instrument channelÀÌ Å©´Ù´Â ÀåÁ¡À» ³»¼¼¿ì°í ÀÖ½À´Ï´Ù. IMAGINA ´ëÀå³»½Ã°æ¿¡´Â variable stiffness ±â´ÉÀÌ ¾ø´Â ´ë½Å TrueTorque (1 to 1 transfer torque from proximal to distal portion)¿Í i-FLEX (graduated flexibility of the insertion tube, Á¶ÀۺΠ°¡±î¿î °÷Àº ´Ù¼Ò stiffÇÏ°Ô, distal end¿¡ °¡±î¿î ºÎÀ§´Â ´Ù¼Ò flexibleÇÏ°Ô)¶ó´Â ±â¼úÀ» Àû¿ëÇÏ¿´´Ù°í ÇÕ´Ï´Ù. Zoom endoscopy°¡ ¾ø´Â ´ë½Å 2¹è±îÁö digital È®´ë ±â´ÉÀÌ ÀÖ½À´Ï´Ù. ³»½Ã°æ ÀÚü°¡ ¹æ¼öÀ̹ǷΠwater-proof capÀÌ ÇÊ¿äÇÏÁö ¾Ê°í, system°ú scope ¿¬°áÀÌ ½±´Ù°í ÇÕ´Ï´Ù.
2) LED at the insertion tube tip of the Pentax endoscope (Imagina system)
³»½Ã°æÀÇ ±¤¿øÀº system¿¡ Àֱ⠸¶·ÃÀÔ´Ï´Ù. ¾Æ´Ï Àֱ⠸¶·ÃÀ̾ú½À´Ï´Ù. ³»½Ã°æ »ðÀԺο¡ ±¤ fiber°¡ ÀÖ¾î »ðÀԺΠ¸»´Ü±îÁö ºûÀÌ Àü´ÞµÇ´Â ¿ø¸®¿´½À´Ï´Ù. Á¦³í ·¥ÇÁÀÇ ¼ö¸í (´ë·« 500½Ã°£) ¶§¹®¿¡ °¡²û ·¥ÇÁ¸¦ ¹Ù²ã¾ß Çß½À´Ï´Ù. ³»½Ã°æÀ» ¿À·¡ »ç¿ëÇÏ¸é ±¤ fiber°¡ ²÷¾îÁ® ȸéÀÌ Á¡Â÷ ¾îµÎ¿öÁö´Â ´ÜÁ¡µµ ÀÖ¾ú½À´Ï´Ù.
ÃÖ±Ù Pentax »ç¿¡¼´Â ³»½Ã°æÀÇ ±¤¿øÀ» »ðÀԺΠ¸»´ÜÀÇ LED·Î ¹Ù²Û Á¦Ç°À» ¼Ò°³ÇÏ¿´½À´Ï´Ù. °ú°Å ´Ù¸¥ ȸ»ç¿¡¼µµ ½ÃµµÇß´ø ¹æ½ÄÀÌÁö¸¸ ¾Æ¸¶µµ ¹ß¿ ¹®Á¦¶§¹®¿¡ ³Î¸® »ç¿ëµÇÁö ¸øÇÏ°í withdraw µÈ °Í °°Àºµ¥, ¼¼¿ùÀÌ Èê·¯ ¹ß¿ ¹®Á¦¸¦ ÇØ°áÇÑ Çõ½ÅÀûÀÎ Á¦Ç°ÀÌ ½ÃÀå¿¡ ³ª¿Â °ÍÀÔ´Ï´Ù (½Ã½ºÅÛ factsheet, ³»½Ã°æ factsheet). īŸ·Î±×¿¡´Â "temperature controlled LED illumination"À̶ó´Â ±â¼ú ¿ë¾î°¡ ¾º¿©ÀÖ°í, LED¿¡ heat sensor°¡ ÀÖ¾î ¿Âµµ¿¡ µû¶ó Á¶ÀýÀ» ÇÑ´Ù´Â ¼³¸íÀ» µé¾úÁö¸¸ Á¤È®ÇÑ ÀÛµ¿ ¿ø¸®´Â ÀÌÇØÇÒ ¼ö ¾ø¾ú½À´Ï´Ù.
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3) A powerful educational platform
The video recording function enables capture of HD+ video fileds through a USB storage device.
Pentax ³»½Ã°æ »ç¿ë °æÇèÀÌ ÀÖÀ¸½Å ¼±»ý´Ôµé²² ÀÇ°ßÀ» ´Þ¶ó´Â postingÀ» ÇÏ¿´´Âµ¥ ÇÑ Àü¹®°¡²²¼ »ó¼¼ÇÑ ´äº¯À» Áּ̽À´Ï´Ù. ³»¿ëÀ» Àо½Ã¸é Á¦°¡ ¿Ö Àü¹®°¡¶ó°í ºÒ·¶´ÂÁö ¾Ë ¼ö ÀÖÀ¸½Ç °ÍÀÔ´Ï´Ù. ÀÚ½ÅÀÌ »ç¿ëÇÏ´Â µµ±¸¿¡ ´ëÇÏ¿© ÀÌ Á¤µµÀÇ °ßÇظ¦ °¡Áö´Â °ÍÀº ½¬¿î ÀÏÀÌ ¾Æ´Õ´Ï´Ù. ÁÁÀº ÀÇ°ß Áּż °¨»çÇÕ´Ï´Ù.
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IMAGINA tester feebackÀÔ´Ï´Ù.
1. ³»½Ã°æÀÌ ÀüüÀûÀ¸·Î ÀÌÀü Á¦Ç°º¸´Ù °¡º¿öÁ³½À´Ï´Ù.
2. Handle°ú knobÀÇ À¯°ÝÀÌ ÀÖ¾î¼ ¾öÁö¼Õ°¡¶ô ÀÌ¿ëÀÌ Olympus º¸´Ù ºÒÆíÇÑ ´À³¦ÀÌ µé ¼ö ÀÖ½À´Ï´Ù. IMAGINA ÀÚü Ư¼ºº¸´Ù´Â PENTAX scopeÀÌ ÀüºÎ À¯°ÝÀÌ ÀÖ½À´Ï´Ù.
3. ±¤¿øÀÌ ³»½Ã°æ ¼±´Ü¿¡ Àֱ⶧¹®¿¡ ¸¸Áö¸é ¿°¨ÀÌ ÀÖÁö¸¸ ½ÉÇÏÁö ¾Ê½À´Ï´Ù. cooling±â´ÉÀÌ ÀÖ´Ù°í ÇÕ´Ï´Ù.
4. º»Ã¼¿¡ fanÀÌ ¾ø¾î¼ Á¶¿ëÇÕ´Ï´Ù.
5. ³»½Ã°æ°ú º»Ã¼ ¿¬°áºÎ¿¡ °íÁ¤ÇÉÀÌ ¾ø¾îÁ®¼ ¿¬°áºÎ¿¡ Ãæ°ÝÀ» ÁÖ¸é(¿¹¸¦ µé¸é trapÀ» ¿¬°áÇϰųª »¬¶§) ȸéÀÌ Èçµé¸± ¼ö ÀÖ½À´Ï´Ù.
6. ±¤¿øÀÇ Æ¯¼ºÀÎÁö ¸ð¸£°ÚÁö¸¸ white balance ¿¡ ¿¹¹ÎÇÕ´Ï´Ù. ´ëÃæ ¸ÂÃ߸é red color°¡ ³·°Ô ³ª¿É´Ï´Ù.
7. »ö°¨Àº 290°ú »ó´çÈ÷ À¯»çÇÕ´Ï´Ù. Á¢±Ù»çÁøÀ¸·Î¸¸ ºñ±³Çϸé ȸ»ç±¸ºÐÇϱ⠾î·Æ½À´Ï´Ù. °¡±îÀ̼ °üÂûÇÒ ¶© ¶Ç·ÇÇÏ°Ô Àß º¸ÀÔ´Ï´Ù.
8. º»Ã¼°¡ µðÁöÅÐ ÅÍÄ¡Æе忡 ½ºÀ¬µµ µÇ°í À¯Àú¼¼Æõµ µÇ¼ ÆíÇÑ Á¡µµ ÀÖÁö¸¸ ³»½Ã°æ ±³Ã¼ÇÒ¶§ ÅÍÄ¡µÇ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù. ±×·¯³ª °ú°Å i-scanÀ̳ª Optivistaº¸´Ù´Â °³¼±ÀÌ µÇ¾ú½À´Ï´Ù.
9. Àú´Â SE4, CE2, Light 0, R 0 B 0 À¸·Î »ç¿ëÇß½À´Ï´Ù. ȸ»ç ±ÇÀå»çÇ×µµ ÀÖÀ¸´Ï »öÁ¶Á¤¿¡ Âü°íÇϽʽÿÀ.
10. ´ëÀå³»½Ã°æ ¼±´ÜºÎ´Â trimmingÀÌ µÇ¾î ¿¹Àü¿¡ ºñÇØ edge°¡ °¢Á®ÀÖÁö ¾Ê½À´Ï´Ù. À§³»½Ã°æÀº ¾ÆÁ÷ °¢Á®ÀÖ½À´Ï´Ù. ¼öÁ¤¿äûÀº Çß½À´Ï´Ù.
[2019-1-11. ÀÌÁØÇà ´äº¯]
Á÷Á¢ÀûÀÎ ºñ±³´Â ¾î·ÆÁö¸¸ ¸¶Ä§ Pentax ³»½Ã°æÀ¸·Î °Ë»çÇÏ¿© ¹ß°ßµÈ À§¾ÏÀ» º» º´¿ø¿¡¼ Olympus ³»½Ã°æÀ¸·Î Àç°ËÇÑ ÈÄ ¼ö¼úÇÑ È¯ÀÚ°¡ °è¼Å¼ ³»½Ã°æ »çÁøÀ» »ìÆ캼 ±âȸ°¡ ÀÖ¾ú½À´Ï´Ù.
ß¾: ÀÇ·Ú îñ (Pentax, CE +2 mode), ù»: Olympus ÀÇ·Ú ý (Olympus)
Stomach, subtotal gastrectomy: Early gastric carcinoma
1. Location : [1] lower third, Center at antrum and anterior wall
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated
4. Histologic type by Lauren : intestinal
5. Size : 2.5x2.3 cm
6. Depth of invasion : invades mucosa (muscularis mucosae) (pT1a)
7. Resection margin: free from carcinoma, safety margin: proximal 3.5 cm, distal 4.5 cm
8. Lymph node metastasis : no metastasis in 22 regional lymph nodes (pN0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 8th edition: pT1a N0
2) EndoTODAY ´ëÀå¾Ï°ËÁø ÂøÇÑ °£¼·
3) EndoTODAY ´ëÀå¿ëÁ¾ÀýÁ¦¼ú ÈÄ ÃßÀû°Ë»ç Postpolypectomy surveillance
© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng.