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Differences in Clinical and Biological Features Between Type I and Type II Tumors in FIGO Stages I-II Epithelial Ovarian Carcinoma.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health. (Klinisk och experimentell reproduktionsbiologi/Olovsson)
†Department of Pathology, Halmstad and Medical Center Hospital, Halmstad, Sweden.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Obstetrics and Gynaecology. (Obstetrisk forskning/Högberg)
2015 (English)In: International Journal of Gynecological Cancer, ISSN 1048-891X, E-ISSN 1525-1438, Vol. 25, no 7, 1239-47 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The objective of this study was to compare immunohistochemical profile for the apoptosis regulators p53, C-MYC, bax, PUMA, and PTEN and the cell cycle regulatory proteins p21 and p27, as well as clinical factors between types I and II tumors.

METHODS: In total, 131 patients in FIGO (International Federation of Gynecology and Obstetrics) stages I-II were divided into 2 groups of patients after type I tumors (n = 79) and type II tumors (n = 52). Differences in the immunohistochemical profile for the cell cycle-related proteins, detected by tissue microarrays and immune-histochemistry, were compared. For statistical tests, the Pearson χ test and the logistic regression model were used. All tests were 2-sided, and the level of statistical significance was P ≤ 0.05.

RESULTS: In multivariate logistic regression analysis with recurrent disease as endpoint, FIGO stage (odds ratio [OR], 4.7), type I/II tumors (OR, 3.8), body mass index (BMI) (OR, 3.5), and p53 status (OR, 4.2) all were found to be independent predictive factors. In 2 different multivariate logistic regression analyses with type I/II tumors as endpoint, both p53p21 (OR, 2.9) and p27 status (OR, 3.0) were associated with type II tumors. Differently, C-MYC status (OR, 0.4) was associated with type I tumors. Furthermore, age (OR, 1.04), BMI (OR, 0.4), and recurrent disease (OR, 4.3) all were associated to type II tumors. In survival analysis, there was a trend (P = 0.054) toward better disease-free survival for patients with type I tumors.

CONCLUSIONS: Concomitant positivity for p53 and negativity for p21, positivity for p27, and negativity for C-MYC in an epithelial ovarian tumor might strengthen the diagnostic option of type II tumor ovarian carcinoma. Patients with type II tumors were older, had lower BMI, and had more often recurrent disease than patients with type I tumors.

Place, publisher, year, edition, pages
2015. Vol. 25, no 7, 1239-47 p.
National Category
Cancer and Oncology
URN: urn:nbn:se:uu:diva-262177DOI: 10.1097/IGC.0000000000000484ISI: 000360648300014PubMedID: 26035126OAI: oai:DiVA.org:uu-262177DiVA: diva2:852542
Available from: 2015-09-09 Created: 2015-09-09 Last updated: 2015-10-15Bibliographically approved

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Skírnisdóttir, IngiridurÅkerud, Helena
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