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[Gastric cancer 645 - Minute SM invasion and histological heterogeneity]

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Sometimes, it is difficult to estimate risk of recurrence after ESD for EGC. Submucosal invasion and histological heterogeneity are risk factors of recurrence. When both factors are found in an elderly patient after ESD for EGC in the high body, risk and benefit of additional surgery is not clear. Informed decision by the patient seems to be the only answer.


ESD: Early gastric carcinoma
1. Location : high body, posterior wall
2. Gross type : EGC type IIb
3. Histologic type : tubular adenocarcinoma, well differentiated >> tubular adenocarcinoma, poorly differentiated (10%)
4. Histologic type by Lauren : intestinal
5. Size of carcinoma : (1) longest diameter, 12 mm (2) vertical diameter, 8 mm
6. Depth of invasion : invades submucosa, (depth of sm invasion : 150 §­) (pT1b)
7. Resection margin : free from carcinoma(N), safety margin : distal 8 mm, proximal 7 mm, anterior 10 mm, posterior 12 mm, deep 400 §­
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 : present
13. Associated finding : Gastritis cystica profunda

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© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng. (2018-7-24)