Parasite | Eso | Sto | Cancer | ESD
[ESD for undifferentiated type EGC]
¹Îº´ÈÆ, °±âÁÖ ¼±»ý´Ô µî°ú ÇÔ²² "Endoscopic Resection for Undifferentiated Early Gastric Cancer: Focusing on Histologic Discrepancies Between Forceps Biopsy-Based and Endoscopic Resection Specimen-Based Diagnosis"¶ó´Â ±ä Á¦¸ñÀ» °¡Áø ³í¹®À» ³Â½À´Ï´Ù.
ÀÏÀü¿¡ undifferentiated ¶ó´Â ¿ë¾î°¡ ¹®Á¦°¡ ÀÖ´Ù°í ³íÀÇÇÑ ¹Ù ÀÖÀ¸³ª ÀúÈñµµ ¾²Áö ¾ÊÀ» ¼ö ¾ø¾ú½À´Ï´Ù. ´õ °£·«ÇÑ ´ë¾ÈÀ» ãÀ» ¼ö ¾ø¾ú±â ¶§¹®ÀÔ´Ï´Ù. "Undifferentiated type histology"°¡ °¡Àå ÀûÀýÇÏÁö ¾ÊÀ»±î »ý°¢Çغ¸±âµµ ÇßÁö¸¸ ÆíÀÇ»ó °ü·Ê¸¦ µû¸¥ °ÍÀÌÁö¿ä. ¿©ÇÏÆ° ´õ ÁÁÀº terminology¸¦ °í¹ÎÇØ º¸°Ú½À´Ï´Ù.
ÀúÈñ º´¿ø¿¡¼´Â poorly differentiated adenocarcinoma³ª signet ring cell carcinoma¿¡ ´ëÇÑ ESD¸¦ ÀÚÁÖ ½ÃÇàÇÏÁö´Â ¾Ê°í ÀÖ½À´Ï´Ù. ¾Æ·¡ Ç¥¿Í °°ÀÌ ½Ã¼ú Àü¿¡ differentiated type histology¿´°Å³ª ¾Ö¸ÅÇϳª °æ¿ì¿´´ø °ÍÀÌ ½Ã¼ú ÈÄ undifferentiated typeÀ¸·Î ³ª¿Â °ÍÀÌ ´ëºÎºÐÀÔ´Ï´Ù. Áï ESDÇÒ È¯ÀÚ¸¦ ¼±ÅÃÇÒ ¶§¿¡´Â º¸¼öÀûÀÎ conventional indication (= ½ÉÆò¿ø ÀûÀÀÁõ)À» ÀÌ¿ëÇÏ°í ESD ÈÄ º´¸®°á°ú´Â expanded criteria¸¦ Àû¿ëÇÏ°í ÀÖÀ» »ÓÀÔ´Ï´Ù. µû¶ó¼ ÃÖÁ¾ º´¸®°á°ú undifferentiated Çü(poorly differentiated¿Í signet ring cell carcinoma)ÀΠȯÀÚÀÇ ´ëºÎºÐ(84.7%, 50/59)Àº ½Ã¼ú Àü¿¡´Â undifferentiated°¡ ¾Æ´Ï¾ú½À´Ï´Ù. ÀÌ ºñÀ²Àº º´¿ø¿¡ µû¶ó Å©°Ô Â÷ÀÌ°¡ ³³´Ï´Ù. P/D³ª SRC À§¾ÏÀ̶ó°í ÇÏ´õ¶óµµ Å©±â°¡ ÀÛÀ¸¸é ESD¸¦ Àû±ØÀûÀ¸·Î ½ÃÇàÇÏ´Â º´¿ø¿¡¼´Â ÀÌ ºñÀ²ÀÌ ³ôÀ» °ÍÀ̱⠶§¹®ÀÔ´Ï´Ù.
½Ã¼ú Àü Á¶Á÷°Ë»ç¿¡¼ M/D¿´À¸³ª, ESD ÈÄ ÃÖÁ¾ º´¸®°á°ú¿¡¼ P/D·Î ³ª¿Ô´ø ¿¹
½Ã¼ú Àü Á¶Á÷°Ë»ç¿¡¼ atypicalÀ̾úÀ¸³ª, ESD ÈÄ ÃÖÁ¾ º´¸®°á°ú¿¡¼ SRC·Î ³ª¿Í ÀǷڵǾú´ø ¿¹
Undifferentiated typeÀ¸·Î °á·Ð³ 59¿¹´Â differentiated type º¸´Ù Å©°í, lymphovascular invasionÀÌ ¸¹°í, complete resection rate°¡ ³·¾Ò½À´Ï´Ù. ±×·¯³ª P/D¿Í SRC°£¿¡´Â ÀǹÌÀÖ´Â Â÷ÀÌ°¡ ¾ø¾ú½À´Ï´Ù. P/D´Â Á¶±Ý ±íÀº °æÇâÀÌ, SRC´Â size discrepancy°¡ Å©°í lateral margin involvement°£ ÈçÇÑ °æÇâÀÌ ÀÖ¾ú½À´Ï´Ù.
Endolymphatic tumor emboli (signet ring cell carcinoma with minute submucosal invasion)
Ä¡·á ÈÄ °æ°ú´Â ¾çÈ£ÇÏ¿´½À´Ï´Ù.
ESD ÈÄ undifferentiated·Î ¹Ù²î´Â °æ¿ì´Â ¿¹»óÇÑ ¹Ù¿Í °°ÀÌ º´¼ÒÀÇ Å©±â°¡ Å©°í À§Ã¼ºÎ¿¡ ÈçÇÏ¿´½À´Ï´Ù.
1) Undifferentiated¶ó´Â ¿ë¾î¿¡ ´ëÇÏ¿©
2) È®´ëÀûÀÀÁõ¿¡ undifferentited-typeÀÌ Æ÷ÇԵǴ°¡?
© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng.