Zusammenfassung
Hintergrund
Übergewicht stellt ein wachsendes Problem in unserer Gesellschaft dar. Folglich steigt auch das Interesse, den Einfluss von Adipositas auf urologische Tumorerkrankungen zu verstehen.
Ziel
Adipositas erhöht das Risiko, an einem aggressiven Prostatakarzinom zu erkranken. Eine starke Assoziation zwischen Adipositas und dem Risiko, an einem Nierenzellkarzinomen (NZK) zu erkranken, konnte ebenfalls nachgewiesen werden. Andererseits scheint Adipositas das tumorspezifische Überleben von Patienten mit lokalisierten NZK nach operativer Primärtumorentfernung ebenso zu verlängern wie das Gesamtüberleben von metastasierten Patienten unter Anti-VEGF(R)-gerichteter Behandlung. Der Einfluss des „Body Mass Index“ (BMI) auf Blasentumore wurde bisher hingegen kaum evaluiert. Obwohl eine Assoziation zu existieren scheint, ist eine sichere Aussage aufgrund der wenigen und in Teilen widersprüchlichen Untersuchungen nicht möglich.
Ergebnisse
Ein Einfluss von Übergewicht auf verschiedene urologische Tumorerkrankungen gilt als sicher. Adipositasassoziierte biologische und metabolische Effekte scheinen eine entscheidende Rolle zu spielen. Bis heute bekannte Zusammenhänge werden in dieser Übersichtsarbeit dargestellt.
Abstract
Background
Overweight presents a growing problem in our society; therefore, there is an increasing interest to understand the influence of obesity on urological forms of cancer.
Aim
In prostate cancer the development of a more aggressive phenotype seems to correlate with obesity. In renal cell cancer (RCC) obesity is both, a risk factor for occurrence –and is also associated with an improved tumour-specific survival in patients with organ-confined disease following kidney surgery as well as overall survival of patients with advanced disease receiving VEGF(R)-targeted treatment. In contrast, even though an association between body mass index (BMI) and bladder cancer has been described the role of obesity in bladder cancer remains largely unclear as published data are contradictory.
Results
An update on currently available data focusing on the relationship between obesity and genitourinary malignancies is given in this review; however, basic research which is necessary to define the biological and metabolic effects associated with obesity and which might affect the development and progression of urological cancers, is indicated.
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Interessenkonflikt. H. Eggers, M.A. Kuczyk, A.J. Schrader und S. Steffens geben an, dass kein Interessenkonflikt besteht. Dieser Beitrag beinhaltet keine Studien an Menschen oder Tieren.
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Eggers, H., Kuczyk, M., Schrader, A. et al. Der Einfluss von Adipositas auf urologische Tumorerkrankungen. Urologe 52, 1270–1275 (2013). https://doi.org/10.1007/s00120-013-3317-z
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DOI: https://doi.org/10.1007/s00120-013-3317-z