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Comparative Analysis between Multilevel Sectioning with Conventional Haematoxylin and Eosin Staining and Immunohistochemistry for Detecting Nodal Micrometastases with Stage I and II Colorectal Cancers
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  • Comparative Analysis between Multilevel Sectioning with Conventional Haematoxylin and Eosin Staining and Immunohistochemistry for Detecting Nodal Micrometastases with Stage I and II Colorectal Cancers
  • Comparative Analysis between Multilevel Sectioning with Conventional Haematoxylin and Eosin Staining and Immunohistochemistry for Detecting Nodal Micrometastases with Stage I and II Colorectal Cancers
저자명
Wong. Yin-Ping,Shah. Shamsul Azhar,Shaari. Noorsajida,Mohamad Esa. Mohd Shafbari,Sagap. Ismail,Isa. Nurismah Md
간행물명
Asian Pacific journal of cancer prevention : APJCP
권/호정보
2014년|15권 4호|pp.1725-1730 (6 pages)
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아시아태평양암예방학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Management of patients with stage II colorectal carcinomas remains challenging as 20 - 30% of them will develop recurrence. It is postulated that these patients may harbour nodal micrometastases which are imperceptible by routine histopathological evaluation. The aims of our study were to evaluate (1) the feasibility of multilevel sectioning method utilizing haematoxylin and eosin stain and immunohistochemistry technique with cytokeratin AE1/AE3, in detecting micrometastases in histologically-negative lymph nodes, and (2) correlation between nodal micrometastases with clinicopathological parameters. Sixty two stage I and II cases with a total of 635 lymph nodes were reviewed. Five-level haematoxylin and eosin staining and one-level cytokeratin AE1/AE3 immunostaining were performed on all lymph nodes retrieved. The findings were correlated with clinicopathological parameters. Two (3.2%) lymph nodes in two patients (one in each) were found to harbour micrometastases detected by both methods. With cytokeratin AE1/AE3, we successfully identified four (6.5%) patients with isolated tumour cells, but none through the multilevel sectioning method. Nodal micrometastases detected by both multilevel sectioning and immunohistochemistry methods were not associated with larger tumour size, higher depth of invasion, poorer tumour grade, disease recurrence or distant metastasis. We conclude that there is no difference between the two methods in detecting nodal micrometastases. Therefore it is opined that multilevel sectioning is a feasible and yet inexpensive method that may be incorporated into routine practice to detect nodal micrometastases in centres with limited resources.