지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.12
- 수록면
- 110 - 114 (5page)
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Purpose: The aim of this study was to determine the rate of lymph node (LN) micrometastasis in patients with stage I and II rectal cancer.
Methods: One hundred eighty patients with either stage I or II rectal carcinoma who underwent curative resection between 1995 and 2010 were included. Forty-eight patients received neoadjuvant chemoradiotherapy. Two sections from each LN were stained with hematoxylin and eosin (H&E) and with CK20 by immunohistochemistry (IHC), respectively.
Results: A total of 2,257 LNs with a median of 12.5 LNs per patient were examined. For IHC staining, CK20-positive neoplastic cells were found in 4 of the 2,257 LNs (0.2%) from 3 of the 180 patients (1.7%), and all corresponding H&E re-stained sections confirmed that these neoplastic cells were present. Three of four neoplastic cells were micrometastasis, and one was macrometastasis. All occult neoplastic cells were found in 3 of the 85 patients (3.5%) with stage II disease.
Conclusion: We observed a 3.5% rate of occult neoplastic cells in stage II rectal cancer. Interestingly, the results of IHC staining corresponded with those of H&E re-stained sections, suggesting that the examination of H&E stained section by a competent pathologist may replace IHC staining.
Methods: One hundred eighty patients with either stage I or II rectal carcinoma who underwent curative resection between 1995 and 2010 were included. Forty-eight patients received neoadjuvant chemoradiotherapy. Two sections from each LN were stained with hematoxylin and eosin (H&E) and with CK20 by immunohistochemistry (IHC), respectively.
Results: A total of 2,257 LNs with a median of 12.5 LNs per patient were examined. For IHC staining, CK20-positive neoplastic cells were found in 4 of the 2,257 LNs (0.2%) from 3 of the 180 patients (1.7%), and all corresponding H&E re-stained sections confirmed that these neoplastic cells were present. Three of four neoplastic cells were micrometastasis, and one was macrometastasis. All occult neoplastic cells were found in 3 of the 85 patients (3.5%) with stage II disease.
Conclusion: We observed a 3.5% rate of occult neoplastic cells in stage II rectal cancer. Interestingly, the results of IHC staining corresponded with those of H&E re-stained sections, suggesting that the examination of H&E stained section by a competent pathologist may replace IHC staining.
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UCI(KEPA) : I410-ECN-0101-2018-514-000888135