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Prognostic significance of angiogenesis by Chalkley counting in node negative cancer of the ampulla of Vater

Authors
 Joon Seong Park ; Hyun Ki Kim ; Dong Sup Yoon ; Jae Keun Kim ; Soon Won Hong 
Citation
 Journal of Korean Medical Science, Vol.27(5) : 495~499, 2012 
Journal Title
 Journal of Korean Medical Science 
ISSN
 1011-8934 
Issue Date
2012
Abstract
Angiogenesis is essential for tumor growth and metastasis. Currently, the Chalkley assay with CD34 immunostaining is the proposed standard method for angiogenesis quantification in solid tumor sections. The purpose of this study was to evaluate the expression of CD34 and its prognostic significance using the Chalkley method in node negative carcinoma of the ampulla of Vater. Between January 1997 and December 2006, 56 node negative patients who had curative resection for carcinoma of the ampulla of Vater were retrospectively reviewed. The Chalkley count was expressed as the mean value of the three counts for each tumor and further divided into two groups according to the mean value of the Chalkley count: low < 4 or high ≥ 4. The mean Chalkley count value was 4.0 (± 3.1). In the low Chalkley group, the 1- and 3-yr recurrence rates were 18.3%, 47.6% respectively; in the high Chalkley group, the 1- and 3-yr recurrence rates were 26.5% and 60.6% respectively. Only high Chalkley count had statistical significance as a factor in recurrence of node negative ampulla of Vater carcinoma. Assessment of angiogenesis may have an important role in the prognostic evaluation of node negative cancer of the ampulla of Vater.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/90889
DOI
10.3346/jkms.2012.27.5.495
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Pathology
1. 연구논문 > 1. College of Medicine > Dept. of Surgery
Yonsei Authors
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