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Title: Wilms tumor gene 1 (WT1) is a prognostic marker in high-grade uterine sarcoma
Authors: Coosemans, An ×
Van Calster, Ben
Verbist, Godelieve
Moerman, Philippe
Vergote, Ignace
Van Gool, Stefaan
Amant, Frédéric #
Issue Date: Feb-2011
Publisher: Blackwell Scientific Publications
Series Title: International Journal of Gynecological Cancer vol:21 issue:2 pages:302-308
Abstract: Introduction: Wilms tumor gene 1 (WT1) contributes to uterine sarcoma tumor biology. In this study, we aimed to clarify the prognostic value of WT1.

Methods: A retrospective clinical and histopathological review of 71 women with high-grade uterine sarcoma (leiomyosarcoma [n = 24], undifferentiated sarcoma [n = 9]), and carcinosarcoma (n = 38) was performed. Patients were followed up for at least 12 months. Wilms tumor gene 1 expression was determined by immunohistochemistry. Data on recurrence (progression-free survival) and overall survival (OS) were available for all patients. Univariate and multivariate analyses of WT1 expression were carried out using Kaplan-Meier curves and Cox regression, respectively.

Results: Forty-nine (69%) tumors were WT1 positive. Forty-seven (66%) patients died of the disease, with a median OS time of 22 months. Wilms tumor gene 1 was a predictor of survival in the univariate analysis: the hazard ratio of WT1 positivity was 2.44 (95% confidence interval, 1.34-4.71) for progression-free survival and 2.48 (95% confidence interval, 1.26-4.90) for OS. Multivariate analysis including stage, age, tumor size, and sarcoma subtype identified only stage and WT1 positivity as independent prognostic markers for survival.

Conclusions: The identification of WT1 as a prognostic marker confirms its role in high-grade uterine sarcoma and carcinosarcoma tumor biology.
ISSN: 1048-891X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - STADIUS, Stadius Centre for Dynamical Systems, Signal Processing and Data Analytics
Section Woman - Miscellaneous (-)
Gynaecological Oncology
Translational Cell & Tissue Research
Laboratory of Clinical Immunology
Laboratory of Pediatric Immunology
× corresponding author
# (joint) last author

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