Abstract:
PURPOSE:Recent reports have shown an increase in frequency of intra-hepatic cholangiocarcinoma (IHC) with a stable or decreased frequency of extra-hepatic cholangiocarcinoma (EHC). However, data on the demographic patterns associated with this change are limited. We analyzed cases of cholangiocarcinoma (CC) with aim to study frequency and demographic patterns over time of IHC and EHC. METHODS:Data were collected from MD Anderson Cancer Center Tumor Registry on CC (1978-2007) and stratified on age (<50, 50-59, 60-69, and ≥70 years), gender, ethnicity (Caucasian, African-American, Hispanic, and Other), time (1978-1987, 1988-1997, 1998-2007), and diagnosis (IHC and EHC). Chi-square tests and logistic regression were used for statistics. RESULTS:Of 1,061 CC (445 IHC), proportion of IHC increased from 30% in 1978-1998 to 48% during 1998-2007 (P < 0.0001). Compared to EHC, IHC occurred more frequently in relatively young (age < 60 years) (21 and 27% vs. 15 and 23% in 0-49 years and 50-59 years, respectively; P = 0.003) and females (48 vs. 42%, P = 0.03). Ethnic distribution was similar. There was significant (P = 0.019) interaction between age and gender using logistic regression analysis. CONCLUSIONS:Increase in frequency of IHC occurred over time and is more frequently observed among females <60 years. These data may have implications in understanding pathogenesis of IHC.
journal_name
J Cancer Res Clin Oncoljournal_title
Journal of cancer research and clinical oncologyauthors
Singal AK,Vauthey JN,Grady JJ,Stroehlein JRdoi
10.1007/s00432-010-0971-zsubject
Has Abstractpub_date
2011-07-01 00:00:00pages
1071-8issue
7eissn
0171-5216issn
1432-1335journal_volume
137pub_type
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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更新日期:2009-06-01 00:00:00