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[다양한 대장 질환 019 - Sigmoid colon cancer with bladder invasion]

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Sigmoid colon, anterior resection and partial bladder resection:
Adenocarcinoma, moderately differentiated
1. Location: sigmoid colon
2. Gross type: ulcerofungating
3. Size: 12x9 cm
4. Depth of invasion: directly invades adjacent organs(pT4b) (site: urinary bladder)
5. Resection margin: free from carcinoma, safety margin: proximal, 11 cm ; distal, 9 cm ; radial, 1.2 mm
6. Regional lymph node metastasis :
- Metastasis to 1 out of 26 regional lymph nodes(pN1a) (1/26: pericolic, 1/26)
- Number of Extramural Tumor Deposits: 0
7. Lymphatic invasion: not identified
8. Venous invasion: not identified
9. Perineural invasion: present(intramural)
10. Tumor budding : positive (5-9)
11. Micropapillary component: yes (1-5%)
12. Tumor border: infiltrative
13. Separate lesions: tubular adenoma ; 1) size : 2.5x2.5 cm, 2) resection margin : free from adenoma
14. Peritoneal cytology: negative
15. Pathologic staging: pT4b N1a
16. Direct tumor invasion to muscular layer of urinary bladder (pT4b)

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