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[Thursday Endoscopy Conference 20161229]
1. Remnant gastric cancer (recurrent)
Stomach, subtotal gastrectomy:
Advanced gastric carcinoma
1. Location : lower third, Center at antrum and lesser curvature
2. Gross type : Borrmann type 3
3. Histologic type : tubular adenocarcinoma, poorly differentiated
4. Histologic type by Lauren : diffuse
5. Size : 5x3 cm
6. Depth of invasion : penetrates subserosal connective tissue (pT3)
7. Resection margin: free from carcinoma, safety margin: proximal 3 cm, distal 3 cm
8. Lymph node metastasis : metastasis to 21 out of 35 regional lymph nodes (pN3b) (perinodal extension: present) (21/35 : "1", 0/5; "3", 5/9; "4", 11/13; "4sb", 0/0; "5", 0/0; "6", 1/2; "7", 0/2; "8a", 0/0; "9", 3/3; "11p", 0/0; "12a", 1/1)
9. Lymphatic invasion : present
10. Venous invasion : not identified
11. Perineural invasion : present
12. AJCC stage by 7th edition: T3 N3b
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* Âü°í: EndoTODAY ÀÜÀ§¾Ï
2. Glomus tumor (mimicking gastric neuroendocrine carcinoma)
Stomach, subtotal gastrectomy:
Glomus tumor of unknown malignant potential
1) tumor site: antrum and posterior wall
2) tumor size: 3x2 cm
3) mitosis: 0/10 HPFs
4) necrosis: absent
5) cellularity: intermediate
6) cellular atypia: mild
7) invasion into mucosa and serosa
8) infiltrative growth
9) lymphovascular invasion: not identified
10) perineural invasion: present
11) resection margin: negative (safety margin: proximal, 4 cm; distal, 5 cm)
12) no metastasis in 19 regional lymph nodesChromogranin : Negative in tumor cells
Synaptophysin : Positive in tumor cells
Ki-67 : Positive in 5 % of tumor cells
SMA: Diffusely positive in tumor cells
CD 31 : No tumor emboli
D2-40 Podoplanin : No tumor emboli
c-erbB-2(HER2): Negative
Epstein-Barr virus : Negative
º´¸®°ú¿¡¼ óÀ½¿¡´Â neuroendocrine carcinoma¸¦ °í·ÁÇÏ¿´À¸³ª mitotic index°¡ ³Ê¹« ³·Àº Á¡ÀÌ ÀÌ»óÇÏ¿© ¿©·¯ Ãß°¡°Ë»ç¸¦ ÇÑ ÈÄ ÃÖÁ¾ÀûÀ¸·Î glomus·Î Áø´ÜÇÑ Èï¹Ì·Î¿î ¿¹ÀÔ´Ï´Ù.
* Âü°í: EndoTODAY glomus tumor
Ç÷´¢¸¦ ÁÖ¼Ò·Î ÂïÀº abdominal CT¿¡¼ extensive lymphadenopathy ¼Ò°ßÀÌ º¸¿© lymphoproliferative disorder·Î »ý°¢ÇÏ°í ÀÇ·ÚµÈ ³»½Ã°æÀÔ´Ï´Ù. ±×·±µ¥ ÀÇ¿Ü·Î À§ÀÇ ¾Ç¼ºÁúȯÀ̾ú½À´Ï´Ù.
ÀÓ»ó°»ç ¼±»ý´Ô²²¼ º¸¸¸ 4Çü ÁøÇ༺ À§¾ÏÀ̶ó´Â impressionÀ» Áּ̽À´Ï´Ù. Àú´Â (1) fold°¡ »ó´çÈ÷ µÎ²¨¿öÁ³À¸³ª ÅÊÅÊÇÏÁö ¾ÊÀº Á¡, (2) air expansionÀÌ Àß µÇ´Â Á¡, (3) fold »çÀÌÀÇ °Å¸®°¡ À¯ÁöµÇ°í ÀÖ°í °ñÂ¥±â°¡ Á¦¹ý ±íÀº Á¡, (4) ³ë¶õ»ö Á¡Ã³·³ º¸ÀÌ´Â Á¡¸·º¯È´Â º¸¸¸ 4Çü ÁøÇ༺ À§¾Ï¿¡¼ °üÂûµÇ±â ¾î·Á¿î Á¡, (5) CT¿¡¼ extensive lymphadenopathy°¡ ÀÖ¾ú´Ù°í ÇÑ Á¡ µîÀ» °í·ÁÇÒ ¶§ º¸¸¸ 4Çü ÁøÇ༺ À§¾Ïº¸´Ù´Â lymphomaÀÏ °¡´É¼ºÀÌ ³ô´Ù°í comment ÇÏ¿´½À´Ï´Ù. ±×·¯³ª ¸·»ó Á¶Á÷°Ë»ç´Â poorly differentiated tubular adenocarcinoma·Î ³ª¿Ô½À´Ï´Ù. ¼±»ýÀ¸·Î¼ »ó´çÈ÷ âÇÇÇß½À´Ï´Ù.^^ º¸¸¸ 4Çü ÁøÇ༺ À§¾Ï¿¡ °ü½ÉÀ» °®°í 20³â ÀÌ»ó Áø·á,¿¬±¸¿¡ Èû¾´ ³»½Ã°æ Àü¹® ±³¼öµµ Áø´ÜÇϱ⠾î·Á¿î º´ÀÌ ¹Ù·Î º¸¸¸ 4Çü ÁøÇ༺ À§¾ÏÀÔ´Ï´Ù. ±×¸¸Å ¾î·Æ½À´Ï´Ù.
1) SMC Endoscopy Unit »ï¼º¼¿ïº´¿ø ³»½Ã°æ½Ç
2) SMC Monday GI conference »ï¼º¼¿ïº´¿ø ÀÏ¿ø³»½Ã°æ±³½Ç ¿ù¿äÁ¡½É¼ÒȱâÁý´ãȸ
3) SMC Thursday endoscopy conference »ï¼º¼¿ïº´¿ø ÀÏ¿ø³»½Ã°æ±³½Ç ¸ñ¿äÁ¡½É³»½Ã°æÁý´ãȸ
© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng.