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[다양한 대장 질환 018 - 검진대장내시경에서 발견된 직장암의 항문 침윤]

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50대 남성입니다. 건강검진 대장내시경이었습니다. 항문의 chronic prolapsed lesion이 있어 조직검사를 하여 adenocarcinoma가 나왔습니다.

Rectum, Miles' operation:
. Signet-ring cell carcinoma with mucin production ;
1. Location: rectum
2. Gross type: fungating
3. Size: 5x4 cm
4. Depth of invasion: invades perirectal adipose tissue(pT3)
5. Resection margin: free from carcinoma, safety margin: proximal, 20 cm ; distal, 2 cm ; radial, 4 mm
6. Regional lymph node metastasis : Metastasis to 9 out of 25 regional lymph nodes(pN2b), (9/25: perirectal, 9/25; "IMA LN", 0/4)
7. Lymphatic invasion: present (+++)
8. Venous invasion: present(intramural)
9. Perineural invasion: present(intramural)
10. Tumor budding : negative
11. Micropapillary component: no
12. Tumor border: infiltrative
13. Pathologic staging: pT3 N2b

© 일원내시경교실 바른내시경연구소 이준행. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng.