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[Gastric cancer 875. EBV-associated EGC]

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Would you try ESD? (Bx: moderately differentiated adenocarcinoma)

Left: initial EGD, right: repeated EGD after referral

After a detailed discussion, the patient chose ESD.

Final pathology was ...


ESD: Early gastric carcinoma
1. Location : body, anterior wall
2. Gross type : EGC type IIc
3. Histologic type : tubular adenocarcinoma, moderately differentiated, EBV-associated
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 14 mm (2) vertical diameter, 12 mm
6. Depth of invasion : invades mucosa (muscularis mucosa) (pT1a)
7. Resection margin : free from carcinoma(N) safety margin : distal 7 mm, proximal 3 mm, anterior 12 mm, posterior 6 mm, deep 2000 ㎛
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 in situ hybridization: EBV : Positive ( CLR, Crohn's-like reaction )



© 일원내시경교실 바른내시경연구소 이준행. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng. (2020-8-2)