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Clinical impact of fat clearing technique in nodal staging of rectal cancer after preoperative chemoradiotherapy

Authors
 Im-Kyung Kim  ;  Beom Jin Lim  ;  Jeonghyun Kang  ;  Seong-Ah Kim  ;  Dongwon Kang  ;  Seung-Kook Sohn  ;  Kang Young Lee 
Citation
 JOURNAL OF THE KOREAN SURGICAL SOCIETY , Vol.85(1) : 30-34, 2013 
Journal Title
JOURNAL OF THE KOREAN SURGICAL SOCIETY
ISSN
 2233-7903 
Issue Date
2013
Keywords
Fat clearing technique ; Preoperative chemoradiotherapy ; Rectal neoplasms
Abstract
Purpose This study was designed to evaluate the efficacy of a fat clearing technique for accurate nodal staging of rectal cancer patients after preoperative chemoradiotherapy (CRT). Methods A total of 19 patients with rectal cancer within 10 cm from anal verge were divided into two groups: non-CRT group (n = 10) and CRT group (n = 9). For pathologic assessment, lymph node (LN) harvest was performed using conventional manual dissection followed by a fat clearing technique. Results A median of 3.0 additional LNs in non-CRT group and 3.8 LNs in CRT group were identified by the fat clearing technique. When subanalysis was performed in patients with fewer than 12 retrieved LNs, a median of 4.0 extra LNs in non-CRT group and 3.5 extra LNs in CRT group were identified after the fat clearing technique. None of additionally identified nodes were metastatic. In both groups, the median size of retrieved LNs following the fat clearing technique was smaller than that obtained by manual dissection (2.0 mm vs. 3.0 mm, P < 0.001). Conclusion The fat clearing technique allowed detection of additional LNs that were missed by the manual method, but these detected LNs were not proven to be metastatic.
Files in This Item:
T201302919.pdf Download
DOI
10.4174/jkss.2013.85.1.30
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Jeonghyun(강정현) ORCID logo https://orcid.org/0000-0001-7311-6053
Kim, Seong Ah(김성아)
Kim, Im Kyung(김임경) ORCID logo https://orcid.org/0000-0001-8505-5307
Sohn, Seung Kook(손승국)
Lee, Kang Young(이강영)
Lim, Beom Jin(임범진) ORCID logo https://orcid.org/0000-0003-2856-0133
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/87685
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