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¿ì¿¬È÷ ½ÃÇàÇÑ CA-19-9°¡ 400U/ml Á¤µµ·Î ³ô¾Æ¼­ PET-CT ÈÄ ¼ÒÈ­±â³»°ú¸¦ ¹æ¹®ÇÑ È¯ÀÚÀÔ´Ï´Ù.

PET¿¡¼­ "Left paraaortic lymph node, left mesenteric lymph node¿¡¼­ SUVmax = 6.6À¸·Î ÃøÁ¤µÇ´Â ±¹¼Ò hypermetabolic lesionÀÌ °üÂûµÇ´Âµ¥ malignancyÀÇ metastasis °¡´É¼ºÀÌ ³ô°ÚÀ½. Hepatic flexure ºÎÀ§ colon¿¡¼­ SUVmax = 5.6À¸·Î ÃøÁ¤µÇ´Â hypermetabolic lesionÀÌ °üÂûµÇ´Âµ¥ primary malignancyÀÇ °¡´É¼ºÀÌ ÀÖ¾î colonoscopy¸¦ ±ÇÀåÇÔ" ¼Ò°ßÀ̾ú°í ´ëÀå³»½Ã°æÀ» ÇÏ¿´´Âµ¥ ´ëÀå³»½Ã°æ¿¡¼­ ÀÛÀº ¿ëÁ¾ ÀÌ¿Ü¿¡´Â ƯÀ̼ҰßÀÌ ¾ø¾ú½À´Ï´Ù.

È®ÀÎÀ» À§ÇÏ¿© explore laparotomy¸¦ ½ÃÇàÇÏ¿´½À´Ï´Ù. ¼ö¼ú ¼Ò°ßÀº "splenic flexure ÁÖº¯ÀÇ mesocolon ¿¡ poorly demarcated hard mass ÀÖ¾î, Lt.colonÀ» mobilization ÇÑ ÈÄ¿¡ Lt.colic artery¸¦ µû¶ó hard LNsÀÖ¾î dissection ½ÃÇà ÈÄ en bloc À¸·Î colonÀ» segmental resection and anastomosis ½ÃÇàÇÔ, S2 ¿¡ 2cm sized mass ÀÖ¾î margin È®º¸Çϱâ À§ÇØ Lt.lateral segmentectomy ½ÃÇàÇÔ"À¸·Î µÇ¾î ÀÖ¾ú°í ÃÖÁ¾ º´¸®´Â ¾Æ·¡¿Í °°¾Ò½À´Ï´Ù.

Colon, segmental resection:
Adenocarcinoma, moderately differentiated
1. Location: splenic flexure of colon
2. Gross type: unclassifiable
3. Size: 3x2x1.5 cm
4. Depth of invasion: 1) mainly involved pericolic adipose tissue without involvement of mucosa, 2) penetrates visceral peritoneum(pT4a)
5. Resection margin: free from carcinoma, safety margin: nearest, 2.5 cm ; opposite, 3 cm ; radial, > 5mm
6. Regional lymph node metastasis : metastasis to 11 out of 12 regional lymph nodes(pN2b)
7. Lymphatic invasion: present
8. Venous invasion: present (extramural)
9. Perineural invasion: present (++)
10. Tumor budding : negative
11. Associated findings : metastasis
12. Pathologic staging: pT4a N2b M1a (liver)

º´¸®°ú¿¡¼­´Â ´ëÀå¾Ïó·³ °á°ú¸¦ ÁÖ¼ÌÁö¸¸ Àú´Â (1) ¿ø¹ßºÎÀ§°¡ ´ëÀå¾ÏÀÌ°í °£ÀüÀÌ°¡ µ¿¹ÝµÈ °ÍÀÎÁö, (2) ¾îµð¼±°¡ unknown originÀÇ ¾ÏÀÌ °£°ú ´ëÀå¿¡ ÀüÀÌµÈ °ÍÀÎÁö È®½ÅÀÌ µéÁö ¾Ê¾Ò½À´Ï´Ù. Á¡¸·Ãþ¿¡´Â ¾ÏÀÌ ¾ø°í ÁÖ·Î pericolic adipose tissue¿¡¸¸ ¾Ï¼¼Æ÷°¡ Á¸ÀçÇÏ´Â ´ëÀå¾ÏÀ» ¸¸³­ ÀûÀÌ ¾ø±â ¶§¹®ÀÔ´Ï´Ù.

¿©ÇÏÆ° ´ëÀå¾ÏÀÌ¶ó °¡Á¤ÇÏ°í ¸»¾¸µå¸®¸é, ´ëÀå³»½Ã°æ¿¡¼­´Â Áúº´ÀÌ ¹ß°ßµÇÁö ¾Ê¾Ò½À´Ï´Ù. CA-19-9 »ó½ÂÀ¸·Î ÀÎÇÏ¿© explo lapa¸¦ ÅëÇÏ¿© ´ëÀå¾ÏÀÌ Áø´ÜµÈ µå¹® °æ¿ì¿´½À´Ï´Ù. ´ëÀå³»½Ã°æ¿¡´Â Ç×»ó blind area°¡ ÀÖ´Ù´Â °ÍÀ» ¸í½ÉÇսôÙ.

Àú´Â °Ç°­°ËÁø¿¡ CA 19-9°¡ Æ÷ÇԵǴ °ÍÀ» ¹Ý´ëÇÕ´Ï´Ù. µæÀ» º¸´Â »ç¶÷Àº º°·Î ¾ø°í ¼ÕÇغ¸´Â »ç¶÷Àº ¸¹Àº °Í °°½À´Ï´Ù (°³ÀÎÀûÀÎ ´À³¦).

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