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[Gastric cancer 651 - Depth of invasion]

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Endoscopic evaluation of invasion depth is tricky. In this lesion, the forceps biopsy was signet ring cell carcinoma. The depth of invasion was...


Stomach, subtotal gastrectomy: Advanced gastric carcinoma
1. Location : middle third, Center at body and greater curvature
2. Gross type : Borrmann type 2
3. Histologic type : signet-ring cell carcinoma
4. Histologic type by Lauren : diffuse
5. Size : 3.6x2.7 cm
6. Depth of invasion : invades muscularis propria (pT2)
7. Resection margin: free from carcinoma
8. Lymph node metastasis : no metastasis in 44 regional lymph nodes (pN0)
9. Lymphatic invasion : not identified
10. Venous invasion : not identified
11. Perineural invasion : present
12. Peritoneal cytology : negative
13. AJCC stage by 7th edition: pT2 N0

종양 부분의 위벽이 두꺼워져 궤양부 바닥이 주변 점막보다 높아진 점, multiple fusion folds, tumor islands, signet ring carcinoma 등의 depth of invasion이 제법 깊을 수 있다는 점을 시사하는 증례입니다.


[References]

1) EndoTODAY 침윤 깊이

© 일원내시경교실 바른내시경연구소 이준행. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng. (2018-7-26)