학술논문
갑상선 유두암에서 CK7, CK20, Vimentin, p53과 Ki-67의 발현
이용수 8
- 영문명
- The Expressions of CK7, CK20, Vimentin, p53 and Ki-67 in Papillary Thyroid Carcinoma
- 발행기관
- 대한내분비외과학회
- 저자명
- 이승환 박승연 김나래1 이영돈 Seung Hwan Lee M.D. Seung Yeon Park M.D. Na Rai Kim M.D.1 and Young Don Lee M.D.
- 간행물 정보
- 『The Koreran journal of Endocrine Surgery』9권1호, 7~13쪽, 전체 7쪽
- 주제분류
- 의약학 > 일반외과학
- 파일형태
- 발행일자
- 2009.03.30
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국문 초록
영문 초록
Purpose: The expressions of Cytokeratin7 (CK7) and CK20 have been studied by a lot of cancer researchers, and these 2 protein markers are often used to find the primary foci of metastatic cancers. There have been numerous studies on vimentin, p53 and Ki-67 as prognostic factors for different cancers. However, it seems that there are a few investigations on the expression of CK7 and CK20 in papillary carcinoma of the thyroid. This study aimed to investigate the expressions of CK7, CK20, vimentin, p53 and Ki-67 in papillary thyroid carcinoma, and we wanted to determine whether the expressions of vimentin, p53, and Ki-67 are related to such prognostic factors as age, the tumor size, nodal metastasis or perithyroidal tissue invasion. Methods: Paraffin slices of 44 papillary thyroid carcinomas from 44 patients were used for immunohistochemistry with using monoclonal antibody against CK7, CK20, vimentin, p53 and Ki-67. The expressions of CK7, CK20 and vimentin were determined simply by the staining competence, and more than 5% positive cells out of 1,000 cells in a high- powered microscopic view was considered as positive for the p53 and Ki-67 expressions. The expressions of vimentin, p53 and Ki-67 were investigated for their correlation with age, perithyroidal tissue invasion, the size of the tumor and metastasis to the cervical lymph nodes. Results: Total of 44 patients (7 men and 37 women) were examined. The average size of tumor was 1.3 cm, and 28 (63.6%) out of 44 patients had perithyroidal tissue invasion. 29 (65.9%) patients had cervical lymph node metastases. The expression of CK7 was observed in all 44 (100%) patients, but only three (6.8%) among them had the expression of CK20. The expression of vimentin was shown in 43 (97.7%) patients. The expressions of p53 and Ki-67 were seen in 33 (75%) patients and 12 (27.7%) patients, respectively. The expressions of vimentin, p53 and Ki-67 were not significantly related with age (P=1.0, 0.084), perithyroidal tissue invasion (P=1.0, 0.798), the size of the tumor (P=0.234, 0.313) and cervical lymph node metastases (P=0.582, 0.948). Conclusion: As expected, papillary thyroid carcinoma showed a CK7(+)/CK20(−) pattern. Further research is needed to find the meaning of the expression of vimentin because it was meaningless analyzing the relationship between the prognostic factors due to fact that 97.7% of the patients had the expression of vimentin. There was no statistically significant relation between the expressions of p53 and Ki-67 and age, the size of thyroid tumor, perithyroidal tissue invasionand cervical lymph node metastasis. (Korean J Endocrine Surg 2009;9:7-13)
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