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[Gastric cancer 686 - neuroendocrine differentiation]

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ESD specimen¿¡¼­ neuroendocrine differentiationÀÌ ÀÖ´Ù°í ³ª¿À¸é ¾î¶»°Ô ÇÏ´Â °ÍÀÌ ÁÁÀ»Áö °í¹ÎÀÔ´Ï´Ù.


ESD: Early gastric carcinoma
1. Location : antrum, lesser curvature
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated with neuroendocrine differentiation (20%)
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 8 mm (2) vertical diameter, 6 mm
6. Depth of invasion : invades mucosa (muscularis mucosa) (pT1a)
7. Resection margin : free from carcinoma(N), safety margin : distal 12 mm, proximal 18 mm, anterior 18 mm, posterior 12 mm, deep 500 §­
8. Lymphatic invasion : not identified(N)
9. Venous invasion : not identified(N)
10. Perineural invasion : not identified(N)
11. Microscopic ulcer : absent
12. Histologic heterogeneity: absent
<< Result of immunohistochemistry>>
. Synaptophysin : Negative in tumor cells
. CD 56 : Focal positive in tumor cells
. Chromogranin : Negative in tumor cells

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© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng.