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[Thursday Endoscopy Conference 20171109]

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1. Lymphoepithelioma-like carcinoma

Á¶Á÷°Ë»ç¿¡¼­´Â poorly differentiated adenocarcinoma¿´°í EUS¿¡¼­ SM invasionÀÌ ¶Ñ·ÇÇß½À´Ï´Ù. ¼ö¼ú ÈÄ ÃÖÁ¾ º´¸®´Â ¾à°£ ÀÇ¿Ü·Î lymphoepithelioma-like carcinoma¿´½À´Ï´Ù.


tomach, subtotal gastrectomy:
. Early gastric carcinoma
1. Location : lower third, Center at proximal antrum and anterior wall
2. Gross type : EGC type IIc
3. Histologic type : lymphoepithelioma-like carcinoma
4. Histologic type by Lauren : mixed
5. Size : 1.8x1.4 cm
6. Depth of invasion : invades submucosa (sm3) (pT1b)
7. Resection margin: free from carcinoma, safety margin: proximal 1 cm, distal 8.7 cm
8. Lymph node metastasis : no metastasis in 34 regional lymph nodes (pN0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : not identified
12. AJCC stage by 7th edition: pT1b N0
13. Epstein-Barr virus : positive

ÀÓ»ó°­»ç ¹é³²¿µ ¼±»ý´Ô²²¼­ Á¤¸®ÇÑ ³»¿ëÀÔ´Ï´Ù.

* Âü°í: EndoTODAY Lymphoepithelioma-like carcinoma


2. Isolated gastric amyloidosis


Postero-GC of high body, biopsy : Amyloidosis, Chronic gastritis, active, with inflamed granulation tissue, No H. pylori identified.
. Amyloid A: Negative
. Amyloid P: Positive
. Lambda : Positive
. Kappa : Focal positive
. TTR : Negative

Àü½Å workupÀ» ÇßÀ¸³ª amyloidosisÀÇ Å¸ Àå±â ħ¹üÀÇ Áõ°Å´Â ¾ø¾ú½À´Ï´Ù. ´Üµ¶Àå±â ħ¹üÀÇ amyloidosis´Â ¿¹ÈÄ°¡ ÁÁÀº °ÍÀ¸·Î µÇ¾î ÀÖ¾î °æ°ú°üÂû ÇÏ´Â °æ¿ì°¡ ¸¹Áö¸¸, ÀÌ È¯ÀÚ´Â ¸Å¿ì ½ÉÇÏ¿´°í ´Ü±â ÃßÀû ³»½Ã°æ¿¡¼­ Á¶±Ý ½ÉÇØÁ® º¸ÀÌ´Â ¼Ò°ßÀÌ À־ Ç×¾ÏÄ¡·á¸¦ ½ÃÀÛÇÏ¿´½À´Ï´Ù. ¾Æ·¡´Â ÀÏÀü¿¡ ÀÓ»ó°­»ç ±èµ¿¿í ¼±»ý´Ô²²¼­ Á¤¸®ÇØÁֽŠ³»¿ëÀÔ´Ï´Ù.


3. Cecal MALToma

¿ÜºÎ ³»½Ã°æ¿¡¼­ cecum¿¡ 0.8cmÀÇ flat elevated lesionÀ¸·Î ÀÇ·ÚµÊ. Á¶Á÷°Ë»ç³ª ¿ëÁ¾ÀýÁ¦¼úÀº ½ÃÇàµÇÁö ¾ÊÀº »óÅ¿´À½.

º´¸®°á°ú "dense infiltration of small lymphocytes with lymphoid follicle formation and multifocal lymphoepithelial lesions, suggestive of extranodal marginal zone lymphoa of MALT"¿´À½. Staging workup¿¡¼­ ´Ù¸¥ ºÎÀ§ lymphoma´Â ¾ø¾úÀ½. Ãß°¡ Ä¡·á ¾øÀÌ 6°³¿ù ÈÄ ÃßÀû³»½Ã°æÀ» ÇÏ¿´°í ƯÀÌ ¼Ò°ßÀÌ ¾ø¾úÀ½.


4. Lung cancer (adenocarcinoma) with anal metastasis

ÁÖ¼Ò: anal pain, constipation

biopsy: rectal mucosa showing adenocarcinoma (M/D), EGFR: positive (1+, 1%), BFAR: not detected

Lung cancer with multiple metastasis°¡ ÀÖ´ø ºÐÀ¸·Î anal lesion¿¡ ´ëÇؼ­´Â local RT¸¦ Ãß°¡ÇÏ¿´½À´Ï´Ù.


5. Neurofibromatosis with small bowel adenocarcinoma

2015³â ȯÀÚÀÔ´Ï´Ù. 50´ë ³²¼ºÀÔ´Ï´Ù. ¼³»ç·Î workup ÇÏ¿© µå¹® ÁúȯÀ¸·Î È®ÀεǾú±â¿¡ ¼Ò°³ÇÕ´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.