Incidence patterns and trends of malignant gonadal and extragonadal germ cell tumors in Germany, 1998-2008

Carsten Rusner*, Britton Trabert, Alexander Katalinic, Joachim Kieschke, Katharina Emrich, Andreas Stang

*Corresponding author for this work
25 Citations (Scopus)


Background: Malignant gonadal (GGCT) and extragonal germ cell tumors [GCT (EGCT)] are thought to originate from primordial germ cells. In contrast to well reported population-based data of GGCTs in males, analyses of GGCTs in females and EGCTs in both sexes remain limited. Methods: In a pooling project of nine population-based cancer registries in Germany for the years 1998-2008, 16,883 malignant GCTs and their topographical sites were identified using ICD-O morphology and topography for persons aged 15 years and older. We estimated age-specific and age-standardized incidence rates. Results: Among males, the incidence of testicular GCTs increased over time. In contrast, there was no increase in the incidence of EGCTs. Among females, rates of ovarian GCTs were stable, while rates of EGCTs declined over time. The most frequent extragonadal sites were mediastinum among males and placenta among females. Conclusions: Our results underline different incidence trends and distinct age-specific incidence patterns of malignant GGCTs and EGCTs, as reported recently by several population-based registries. The differences suggest that GGCT and EGCT may have different etiologies.

Original languageEnglish
JournalCancer Epidemiology
Issue number4
Pages (from-to)370-373
Number of pages4
Publication statusPublished - 01.08.2013


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