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[20120510. Terminology (4) - Mucosal break]

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Definition of mucosal break: discretely, demarcated areas of slough or erythema

°ú°Å¿¡´Â À§½Äµµ¿ª·ù·Î ÀÎÇÑ ½ÄµµÀÇ ¼Õ»óÀ» ±Ë¾ç°ú ¹Ì¶õÀ¸·Î ³ª´©¾úÁö¸¸ ½ÇÁ¦ µÎ °¡Áö¸¦ Á¤È®È÷ ³ª´©±â ¾î·Æ±â ¶§¹®¿¡ mucosal break¶ó´Â °³³äÀÌ Á¦¾ÈµÇ¾ú½À´Ï´Ù. ±×·±µ¥ mucosal break¶ó´Â »õ·Î¿î °³³äÀÇ Á¤ÀǸ¦ ¸¸µå´Â °úÁ¤¿¡¼­ ±Ë¾çÀ̳ª ¹Ì¶õ°ú °°Àº ÇÔ¸ôºÎ(slough) »Ó¸¸ ¾Æ´Ï¶ó discreteÇÑ erythemaµµ Æ÷ÇÔÇÏ´Â °ÍÀ¸·Î µÇ¾ú½À´Ï´Ù. ¿Ö ÀÌ·¸°Ô µÇ¾ú´ÂÁö ¾Ë ¼ö´Â ¾ø¾ú½À´Ï´Ù.

½ÇÁ¦ ³»½Ã°æ °Ë»ç¿¡¼­ discreteÇÑ erythema¸¦ ¶Ñ·ÇÇÏ°Ô ÁöÀûÇÒ ¼ö ¾ø½À´Ï´Ù. ±×·¡¼­ »õ·Î¿î definitionÀÌ ¹ßÇ¥µÇ¾úÀ½¿¡µµ ºÒ±¸ÇÏ°í ³»½Ã°æ½Ç ÇöÀå¿¡¼­ mucosal break¶ó°í ÇÒ ¶§¿¡´Â ¿©ÀüÈ÷ ±Ë¾ç°ú ¹Ì¶õ¸¸À» ¸»ÇÏ°í ÀÖ´Â ¾îó±¸´Ï ¾ø´Â Çö»óÀÌ ¹ú¾îÁö°í ÀÖ½À´Ï´Ù. Áï Á¤ÀÇ¿¡´Â erythema°¡ Æ÷ÇÔµÇÁö¸¸ ½ÇÁ¦ ³»½Ã°æ°Ë»ç¸¦ ÇÒ ¶§¿¡´Â erythema´Â °í·ÁÇÏÁö ¾Ê°í ÀÖ´Ù´Â ¸»¾¸ÀÔ´Ï´Ù. Erythema´Â °ÅÀÇ Àǹ̰¡ ºÎ¿©µÇÁö ¾Ê´øÁö ¾Æ´Ï¸é minimal change lesionÁ¤µµ·Î °¡º±°Ô Ãë±Þ(ȤÀº ¹«½Ã)µÇ°í ÀÖ´Â Çö½ÇÀÔ´Ï´Ù.

GERD ȯÀÚ¿¡¼­ mucosal break°¡ ÀÖÀ¸¸é erosive esophagitis (=endoscopic esophagtis)·Î ºÎ¸£°í ÀÖ°í mucosal break°¡ ¾øÀ¸¸é NERD·Î ºÎ¸¨´Ï´Ù. µÎ ÁúȯÀº pathophysiology¿¡¼­ Â÷À̸¦ º¸ÀÌ°í Ä¡·á¿¡ ´ëÇÑ ¹ÝÀÀµµ ´Ù¸£±â ¶§¹®¿¡ discreteÇÑ entity·Î Ãë±ÞÇÏ´Â °æÇâÀÌ ÀÖ½À´Ï´Ù. µû¶ó¼­ mucosal break°¡ ÀÖ´ÂÁö ¾ø´ÂÁö °áÁ¤ÇÏ´Â °ÍÀÌ ¸Å¿ì Áß¿äÇѵ¥, °¡Àå Áß¿äÇÑ mucosal breakÀÇ Á¤ÀÇ°¡ ¾Ö¸ÅÇϱ⠶§¹®¿¡ È¥¼±ÀÌ ÀÖ´Â °ÍÀÔ´Ï´Ù. À߸øµÈ Á¤ÀÇ ¶§¹®¿¡ ¸¹Àº »ç¶÷µéÀÌ Çò°¥¸®°í ÀÖ´Â Çü±¹ÀÔ´Ï´Ù. Á¤ÀǸ¦ ¼öÁ¤ÇÒ ¶§°¡ µÇ¾ú´Ù°í ÆǴܵ˴ϴÙ.

Mucosal break´Â linear (°¡Àå ÈçÇÑ ÇüÅÂÀÓ), triangular, round, ovoid µî ´Ù¾çÇÑ ¸ð¾çÀ» °¡Áú ¼ö ÀÖ½À´Ï´Ù. GE junctionÀÇ SC junction¿¡ ¿¬ÇÏ¿© »óºÎ·Î ¿¬°áµÇ´Â °æ¿ì°¡ ¸¹Áö¸¸ ¿¬°áµÇÁö ¾ÊÀº mucosal breakµµ ¾ó¸¶µçÁö °¡´ÉÇÕ´Ï´Ù. LA classificationÀº ÀÌ·¯ÇÑ mucosal breakÀÇ ±æÀÌ¿Í ¿¬¼Ó¼ºÀ» °í·ÁÇÏ¿© reflux esophagitis¸¦ LA-A, LA-B, LA-C, LA-D·Î ºÐ·ùÇÏ°í ÀÖ½À´Ï´Ù.

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