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[Thursday Endoscopy Conference 20170831]

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1. Undifferentiated round cell carcinoma with stomach and liver invasion

Stomach, fundus, biopsy: POORLY DIFFERENTIATED HIGH-GRADE MALIGNANT TUMOR, PROBABLY MALIGNANT SMALL BLUE ROUND CELL TUMOR (see note) - Note: The possible differential diagnoses include primitive neuroectodermal tumor, Ewing sarcoma and desmoplastic small round cell tumor.
. Vimentin: Positive in tumor cells
. LCA: Negative in tumor cells

Liver, left lateral, biopsy: UNDIFFERENTIATED ROUND CELL SARCOMA, type unspecified
. CD99: Negative in tumor cells
. S-100: Negative in tumor cells
. WT-1: Negative in tumor cells
. Desmin: Negative in tumor cells


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[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.