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[Thursday Endoscopy Conference 20161020]

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1. Neuroendocrine carcinoma of the stomach

ù ³»½Ã°æ °Ë»ç¿¡¼­ EGC IIa + IIc¸¦ ¿¹»óÇÏ¿´À¸³ª º´¸®°á°ú´Â benignÀ̾ú°í, ÃßÀû³»½Ã°æ ±ÇÀ¯ÇÏ¿´À¸³ª ȯÀÚ »çÁ¤À¸·Î ´Ê¾îÁ®¼­ 1³â ÈÄ ³»½Ã°æ Àç°ËÀ» ¹ÞÀ¸¼Ì½À´Ï´Ù. AGC B-II ºñ½ÁÇÑ ¸ð¾çÀ¸·Î Á¶Á÷°Ë»ç¿¡¼­ poorly differentiated adenocarcinoma·Î ³ª¿Í ¼ö¼úÀ» ¹Þ¾Ò°í ÃÖÁ¾ º´¸®°á°ú¿¡¼­´Â neuroendocrine carcinoma·Î ³ª¿Ô½À´Ï´Ù.

Poorly-differentiated neuroendocrine carcinoma (G3)
1. Name of Procedure: Organ resection+Node dissection (specify: subtotal gastrectomy)
2. Site of Tumor: Stomach (Antrum and pylorus)
3. Diagnosis: Neuroendocrine carcinoma
4. WHO classification(2010): Neuroendocrine carcinoma
5. Multiplicity: Single
6. Size: 2.5x1.8 cm
7. Extent: Mucosa and submucosa (pT1b)
8. Grading: Mitotic Count: >20/10HPF, Ki-67 labeling index: G3>20%
9. Immunohistochemical Stains: Synaptophysin (+), Chromogranin A (+), CD56 (+)
10. Lymphovascular invasion: Present (intra- and extramural)
11. Perineural invasion: Present
12. Lymph node metastasis: metastasis to 6 out of 71 regional lymph nodes (pN2) (perinodal extension: absent) (6/71: "1", 0/9; "3", 4/19; "4", 1/3; "4sb", 0/5; "5", 0/0; "6", 0/5; "7", 0/6; "8a", 1/3; "9", 0/8; "11p", 0/9; "12a", 0/3; "11d", 0/1)
13. Resection Margins: Negative - Safety margin : proximal, 4 cm; distal, 2.8 cm
14. AJCC stage by 7th edition: pT1b N2

¾Æ·¡ »çÁø¿¡¼­ º¸´Â ¹Ù¿Í °°ÀÌ neuroendocrine carcinoma´Â AGC Borrmann type II ó·³ º¸ÀÌ´Â °æ¿ì°¡ ¸¹½À´Ï´Ù.


2. DALM in ulcerative colitis

±Ë¾ç¼º ´ëÀå¿°À¸·Î ¿À·¡ Ä¡·á¹Þ´ø ºÐÀÔ´Ï´Ù. T colon º´¼Ò¿¡¼­ Á¶Á÷°Ë»ç¸¦ ½ÃÇàÇÏ¿© tubular adenoma with focal high grade dysplasia·Î ³ª¿Í total proctocolectomy¸¦ ½ÃÇàÇÏ¿´½À´Ï´Ù. ´ÙÇེ·´°Ô DALMÀ¸·Î¸¸ ³ª¿À°í ¾ÏÀº ¾ø¾ú½À´Ï´Ù.

UC ȯÀÚÀÇ dysplasia¿¡ ´ëÇÑ ¿À·¡µÈ algorithmÀÔ´Ï´Ù.


3. AGC (r/o localized Borrmann type IV)

¸Ö¸®¼­ º¸¸é neuroendocrine tumor¿Í °°Àº SET ¾Æ´Ò±î »ý°¢µÇÁö¸¸ °¡±îÀ̼­ °üÂûÇϸé Á¡¸·º´¼ÒÀÇ °¡´É¼ºÀÌ ÀÖ½À´Ï´Ù. Á¶Á÷°Ë»ç¿¡¼­ poorly differentiated adenocarcinoma·Î ³ª¿Í ¼ö¼úÀ» ½ÃÇàÇÏ¿´½À´Ï´Ù.

Stomach, subtotal gastrectomy: Advanced gastric carcinoma
1. Location : middle third Center at body and greater curvature
2. Gross type : Borrmann type 1
3. Histologic type : signet-ring cell carcinoma
4. Histologic type by Lauren : diffuse
5. Size : 2x1.7 cm
6. Depth of invasion : invades muscularis propria (pT2)
7. Resection margin: free from carcinoma, safety margin: proximal 2 cm, distal 13.8 cm
8. Lymph node metastasis : metastasis to one out of 24 regional lymph nodes (pN1) (perinodal extension: absent) (metastatic tumor size: about 0.01 cm) (1/24: "1", 0/1; "3", 1/5; "4", 0/2; "5", 0/0; "6", 0/6; "7", 0/1; "9", 0/0; "8a", 0/3; "11p", 0/2; "12a", 0/4; "4sb", 0/0)
9. Lymphatic invasion : present
10. Venous invasion : not identified
11. Perineural invasion : present
12. AJCC stage by 7th edition: pT2 N1

ºñ·Ï Á¡¸·ÇϺ´¼Ò·Î ÃßÁ¤µÇ´õ¶óµµ ²À 2°³ Á¤µµÀÇ Á¶Á÷°Ë»ç°¡ ÇÊ¿äÇÏ´Â °ÍÀ» º¸¿©ÁÖ´Â ÁÁÀº Áõ·Ê¶ó°í »ý°¢µÇ¾ú½À´Ï´Ù.

±èÀçÁØ ±³¼ö´Ô ²²¼­ " localized Borrmann type IV¿Í ºñ½ÁÇÑ ¾ç»óÀÔ´Ï´Ù. Á¡¸· º´¼ÒÀÎÁö Á¡¸·ÇÏ º´¼ÒÀÎÁö ¸íÈ®ÇÏÁö ¾ÊÀº °æ¿ì¿¡ »ö¼Ò³»½Ã°æÀÌ µµ¿òµÇ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù"¶ó°í comment Çϼ̽À´Ï´Ù. µ¿ÀÇÇÕ´Ï´Ù.


4. Colonic metastatis from lung (adenoid cystic carcinoma)

Adenoid cystic carcinoma of the lungÀ¸·Î ¼ö¼ú ÈÄ °£ ÀüÀÌ°¡ ÀÖ¾î RF ablation ¹ÞÀ¸¼Ì´ø ºÐÀÇ ´ëÀå³»½Ã°æÀÔ´Ï´Ù.

¼ö¼úÀ» ½ÃÇàÇÏ¿´°í submucosa¿Í proper muscle layer¸¦ ħ¹üÇÏ´Â metastatic adenoid cystic carcinoma·Î È®ÀεǾú½À´Ï´Ù.


[References]

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¡½É¼ÒÈ­±âÁý´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.