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Related Concept Videos

Oogenesis02:07

Oogenesis

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In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
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  7. Oncology And Carcinogenesis
  9. Predictive And Prognostic Markers
  11. Global Incidence Of Ovarian Cancer According To Histologic Subtype: A Population-based Cancer Registry Study.
  1. Home
  3. Research Domains
  5. Biomedical And Clinical Sciences
  7. Oncology And Carcinogenesis
  9. Predictive And Prognostic Markers
  11. Global Incidence Of Ovarian Cancer According To Histologic Subtype: A Population-based Cancer Registry Study.

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Global Incidence of Ovarian Cancer According to Histologic Subtype: A Population-Based Cancer Registry Study.

Minmin Wang1,2, Yanxin Bi1,2, Yinzi Jin1,2

  • 1Department of Global Health, School of Public Health, Peking University, Beijing, China.

JCO Global Oncology
|May 16, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

This study reveals global variations in ovarian cancer histologic subtypes, with serous and mucinous types most common in Eastern Europe and endometrioid and clear cell types prevalent in Northern Africa and Eastern Asia. This provides crucial data for understanding ovarian cancer burden, especially in LMICs.

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Area of Science:

  • Oncology
  • Epidemiology
  • Cancer Research

Background:

  • Ovarian cancer comprises diverse histologic subtypes, each with unique risk factors, molecular profiles, clinical presentations, and treatment responses.
  • Accurate global incidence data for these subtypes is scarce, particularly in low- and middle-income countries (LMICs) with limited cancer registry infrastructure.

Purpose of the Study:

  • To delineate the global incidence landscape of major ovarian cancer histologic subtypes.
  • To provide essential data on subtype distribution, especially for LMICs lacking robust cancer registries.
  • To inform targeted prevention and treatment strategies for ovarian cancer.

Main Methods:

  • Utilized data from the Cancer Incidence in Five Continents project's population-based cancer registries.
  • Calculated proportions of serous, mucinous, endometrioid, and clear cell ovarian cancer subtypes.
  • Applied subtype proportions to Global Cancer Observatory 2020 estimates and computed age-standardized incidence rates.

    • Main Results:

    • In 2020, global estimates included 133,818 new serous, 35,712 mucinous, 29,319 endometrioid, and 17,894 clear cell ovarian cancers.
    • Significant regional variations in subtype distribution were observed.
    • Eastern Europe showed the highest rates of serous and mucinous carcinomas; Northern Africa and Eastern Asia led in endometrioid and clear cell carcinomas, respectively.

    Conclusions:

    • This research presents a comprehensive global overview of ovarian cancer histologic subtype incidence.
    • The findings are particularly valuable for LMICs and offer insights into disease burden.
    • The data supports the development of tailored ovarian cancer prevention and management strategies.