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dc.contributor.authorMauland, Karen Klepslanden_US
dc.contributor.authorTrovik, Joneen_US
dc.contributor.authorWik, Elisabethen_US
dc.contributor.authorRæder, Maria B.en_US
dc.contributor.authorNjølstad, Tormund Salvesenen_US
dc.contributor.authorStefansson, Ingunn Marieen_US
dc.contributor.authorØyan, Anne Margreteen_US
dc.contributor.authorKalland, Karl-Henningen_US
dc.contributor.authorBjørge, Toneen_US
dc.contributor.authorAkslen, Lars A.en_US
dc.contributor.authorSalvesen, Helga Birgitteen_US
dc.description.abstractBackground: Endometrial cancer incidence is increasing in industrialised countries. High body mass index (BMI, kg m−2) is associated with higher risk for disease. We wanted to investigate if BMI is related to clinico-pathological characteristics, hormone receptor status in primary tumour, and disease outcome in endometrial cancer. Patients and methods: In total, 1129 women primarily treated for endometrial carcinoma at Haukeland University Hospital during 1981–2009 were studied. Body mass index was available for 949 patients and related to comprehensive clinical and histopathological data, hormone receptor status in tumour, treatment, and follow-up. Results: High BMI was significantly associated with low International Federation of Gynaecology and Obstetrics (FIGO) stage, endometrioid histology, low/intermediate grade, and high level of progesterone receptor (PR) mRNA by qPCR (n=150; P=0.02) and protein expression by immunohistochemistry (n=433; P=0.003). In contrast, oestrogen receptor (ERα) status was not associated with BMI. Overweight/obese women had significantly better disease-specific survival (DSS) than normal/underweight women in univariate analysis (P=0.035). In multivariate analysis of DSS adjusting for age, FIGO stage, histological subtype, and grade, BMI showed no independent prognostic impact. Conclusion: High BMI was significantly associated with markers of non-aggressive disease and positive PR status in a large population-based study of endometrial carcinoma. Women with high BMI had significantly better prognosis in univariate analysis of DSS, an effect that disappeared in multivariate analysis adjusting for established prognostic markers. The role of PR in endometrial carcinogenesis needs to be further studied.en_US
dc.publisherNature Publishing Groupeng
dc.relation.ispartof<a href="" target="blank"> Context-related biomarkers in endometrial cancer. A study with focus on obesity and genomic alterations</a>
dc.rightsAttribution CC BY-NC-SAeng
dc.subjectBody mass indexeng
dc.subjectendometrial carcinomaeng
dc.subjectprogesterone receptoreng
dc.titleHigh BMI is significantly associated with positive progesterone receptor status and clinico-pathological markers for non-aggressive disease in endometrial canceren_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderCopyright 2011 Cancer Research UK
dc.source.journalBritish Journal of Cancer
dc.subject.nsiVDP::Medisinske Fag: 700::Klinisk medisinske fag: 750::Onkologi: 762en_US

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