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Parity and hepatocellular carcinoma. A population-based study in Sweden.

https://arctichealth.org/en/permalink/ahliterature23873
Source
Int J Cancer. 1993 Nov 11;55(5):745-7
Publication Type
Article
Date
Nov-11-1993
Author
M. Lambe
D. Trichopoulos
C C Hsieh
A. Ekbom
M. Pavia
Author Affiliation
Department of Social Medicine, University Hospital, Uppsala, Sweden.
Source
Int J Cancer. 1993 Nov 11;55(5):745-7
Date
Nov-11-1993
Language
English
Publication Type
Article
Keywords
Adult
Carcinoma, Hepatocellular - epidemiology - microbiology
Female
Hepatitis B
Humans
Liver Neoplasms - epidemiology - microbiology
Maternal Age
Middle Aged
Parity
Pregnancy
Pregnancy, Multiple
Registries
Research Support, Non-U.S. Gov't
Sweden
Twins
Abstract
The association between parity and hepatocellular carcinoma (HCC) was studied using a data-base generated by linking 2 Swedish nation-wide registries; the Cancer Registry and the Fertility Registry. Among women born between 1925 and 1960, 133 patients with HCC recorded in the Cancer Registry between 1958 and 1984 were compared with 665 age-matched controls. In this nested case-control study there was no positive association between parity, age at first birth or frequency of twinning on the one hand, and risk of HCC on the other. It appears that the positive association between parity and HCC previously reported is limited to cases of HCC caused by chronic infection with hepatitis B virus; these cases represent only a small fraction of HCC cases in Sweden.
PubMed ID
8244570 View in PubMed
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Virus-associated cancers in Greenland: frequent hepatitis B virus infection but low primary hepatocellular carcinoma incidence.

https://arctichealth.org/en/permalink/ahliterature4213
Source
J Natl Cancer Inst. 1984 Dec;73(6):1267-72
Publication Type
Article
Date
Dec-1984
Author
M. Melbye
P. Skinhøj
N H Nielsen
B F Vestergaard
P. Ebbesen
J P Hansen
R J Biggar
Source
J Natl Cancer Inst. 1984 Dec;73(6):1267-72
Date
Dec-1984
Language
English
Publication Type
Article
Keywords
Carcinoma, Hepatocellular - epidemiology - microbiology
Denmark - ethnology
Female
Greenland
Hepatitis B - epidemiology
Hepatitis B Surface Antigens - analysis
Humans
Inuits
Liver Cirrhosis - mortality
Liver Neoplasms - epidemiology - microbiology
Male
Research Support, Non-U.S. Gov't
Sex Factors
Abstract
The incidence of primary hepatocellular carcinoma (PHC) in Greenland between 1960 and 1981 was determined and compared with the rate of this disease in Denmark. The annual age and sex rate (per 100,000) was not significantly different (overall, 1.9 vs. 2.2) despite a large difference in the prevalence of hepatitis B surface antigen (HBsAg) and anti-HBs markers of hepatitis. On the basis of a recent report of a very strong risk of PHC among male HBsAg carriers, 4.0 cases of PHC per year were expected in male Eskimos, but only 0.2 cases per year were observed. The incidence rates of other cancers suggested to be virally associated, including nasopharyngeal carcinoma, salivary gland cancer, and carcinoma of the cervix, were all high in Greenland compared to rates for the Danish population, and these high incidence rates are in accord with the markedly higher prevalences in Greenland Eskimos of viruses with which these other cancers have been associated. Thus Greenland Eskimos do not have a high incidence of PHC despite a high prevalence of HBsAg carriers, which suggests that other carcinogenic factors in this environment may be absent or that protective factors are present.
PubMed ID
6096620 View in PubMed
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