Abstract:
AIM:To determine the prognostic significance of isolated tumor cells (ITCs) and lymph node micrometastases in gastric cancer. METHODS:Hematoxylin and eosin-stained slides of lymph node dissections of 632 consecutive gastric cancers were reviewed. Cytokeratin immunostaining was performed in 280 node-negative cases and 5 cases indefinite for lymph node metastases. Lymph node metastases were divided into ITCs, micrometastases, or macrometastases, according to the sizes of tumor deposits in largest dimension. ITCs were further classified into four groups according to metastasis pattern. RESULTS:Lymph node metastases were identified by immunostaining in 58 of 280 node-negative cases (20.7%) and were not significantly associated with patient survival (P = 0.3460). After cytokeratin immunostaining, 196 cases were classified as pN1, which consisted of 20 cases with micrometastases detected by immunostaining (pN1mi(i+)), 34 cases with only micrometastases (pN1mi), and 142 cases with pN1 with one or more macrometastases (pN1). Cases with pN1mi and pN1mi(i+) had a significantly better prognosis than the cases with pN1 (P = 0.0037). ITCs were found in 38 of these 58 cases, and could be divided into four groups: 12 cases with only a single cell pattern, 7 cases with multiple individual cells, 5 cases with single small cluster, and 14 cases with multiple small clusters. Among these four groups, cases with ITCs of multiple individual cell pattern showed the worst survival (median survival: 28 mo, P<0.0001). CONCLUSION:Both size and pattern of lymph node metastases can give prognostic information on the survival of gastric cancer patients.
journal_name
World J Gastroenteroljournal_title
World journal of gastroenterologyauthors
Lee HS,Kim MA,Yang HK,Lee BL,Kim WHdoi
10.3748/wjg.v11.i38.5920keywords:
subject
Has Abstractpub_date
2005-10-14 00:00:00pages
5920-5issue
38eissn
1007-9327issn
2219-2840journal_volume
11pub_type
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journal_title:World journal of gastroenterology
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:World journal of gastroenterology
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,meta分析,评审
doi:10.3748/wjg.v21.i31.9430
更新日期:2015-08-21 00:00:00
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pub_type: 杂志文章
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journal_title:World journal of gastroenterology
pub_type: 杂志文章,随机对照试验
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journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
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journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v9.i7.1589
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pub_type: 杂志文章,评审
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更新日期:2014-11-21 00:00:00
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journal_title:World journal of gastroenterology
pub_type: 杂志文章
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更新日期:2016-06-21 00:00:00
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pub_type: 杂志文章
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journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v11.i18.2720
更新日期:2005-05-14 00:00:00
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journal_title:World journal of gastroenterology
pub_type: 临床试验,杂志文章
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更新日期:2014-10-07 00:00:00
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journal_title:World journal of gastroenterology
pub_type: 杂志文章
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更新日期:2005-10-28 00:00:00
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journal_title:World journal of gastroenterology
pub_type: 杂志文章
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journal_title:World journal of gastroenterology
pub_type: 杂志文章
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更新日期:2019-06-21 00:00:00
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