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[Large cell neuroendocrine tumor of the esophagus]

°¡½¿ÀÌ ´ä´äÇÏ´Ù´Â Áõ¼¼·Î ½ÃÇàÇÑ ³»½Ã°æ¿¡¼­ ½ÄµµÀÇ ÀÌ»ó¼Ò°ßÀÌ ¹ß°ßµÇ¾î ÀÇ·ÚµÈ È¯ÀÚÀÔ´Ï´Ù. Á¶Á÷°Ë»ç °á°ú´Â squamous cell carcinoma (M/D) with focal neuroendocrine component¿´½À´Ï´Ù. »óºÎ½ÄµµÀÇ º´º¯À̾ú°í ÈäºÎ¿Ü°úÀÇ ÀÇ·Ú¸¦ ¹Þ¾Æ ESD¸¦ ÇÏ¿´½À´Ï´Ù. ¾Æ·¡¿Í °°Àº °á°ú°¡ ³ª¿Ô½À´Ï´Ù.

1. Name of Procedure: ESD
2. Site of Tumor: Esophagus
3. Diagnosis: Large cell neuroendocrine carcinoma
4. WHO classification(2010): Neuroendocrine carcinoma
5. Multiplicity: Single
6. Size: 0.9x0.8 cm
7. Extent: Mucosa and submucosa
8. Grading: Mitotic Count: >20/10 HPF, Ki-67 labeling index: G3>20%
9. Immunohistochemical Stains: - Synaptophysin : Positive, Chromogranin A: Positive, CD56: Positive
10. Lymphovascular invasion: Present
11. Perineural invasion: Not identified

¼ö¼úÀ» ½ÃÇàÇÏ¿´°í 1°÷ÀÇ ¸²ÇÁÀý¿¡ ÀüÀ̵Ǿî ÀÖ´Â °ÍÀ» È®ÀεǾú½À´Ï´Ù. [metastasis to 1 out of 25 regional lymph nodes (1/25: "LC omentum", 0/0; "G1", 0/3; "G2", 0/3; "G3", 0/8; "RRLN", 1/2; "LRLN", 0/2; "L9", 0/1; "L10", 0/1; "RD", 0/1; "5", 0/1; "7", 0/2; "8u", 0/1)]

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