Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Ethnic differences in mammographic densities.

G Maskarinec1, L Meng, G Ursin

  • 1Cancer Research Center of Hawaii, Honolulu, Hawaii 96813, USA. gertraud@crch.hawaii.edu

International Journal of Epidemiology
|November 2, 2001
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Effectiveness of national grading modeling training for infectious diseases based on two phase training and follow up data].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2026
Same author

[Construction of a quality evaluation index system for final report of public health emergency caused by infectious disease].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2026
Same author

Intracytoplasmic sperm injection for non-male factor infertility does not improve cumulative live birth rate: a Canadian assisted reproductive technologies registry (CARTR Plus) descriptive study.

Frontiers in reproductive health·2026
Same author

Rubisco large and small subunits provide insights into allotetraploidy events from the genus Oryza.

Plant biology (Stuttgart, Germany)·2026
Same author

Evidence for the Collective Nature of Radial Flow in Pb+Pb Collisions with the ATLAS Detector.

Physical review letters·2026
Same author

Anti-HER2 treatment in everyday practice: how we treat older women with breast cancer differently.

Breast cancer research and treatment·2026
Same journal

Age at menarche and adverse pregnancy and perinatal outcomes: triangulating evidence from multivariable and Mendelian randomization analyses.

International journal of epidemiology·2026
Same journal

Life-course trajectories of cardiovascular disease risk factors in rural India: Andhra Pradesh Children and Parents Study (APCAPS) 2003-2023.

International journal of epidemiology·2026
Same journal

Cohort Profile Update: The Young Lives study.

International journal of epidemiology·2026
Same journal

From the departing Editors in Chief.

International journal of epidemiology·2026
Same journal

Data Resource Profile: Cheeloo Lifespan Electronic-health reseArch Data-library (Cheeloo LEAD).

International journal of epidemiology·2026
Same journal

Cohort Profile Update: The Swiss Childhood Cancer Survivor Cohort.

International journal of epidemiology·2026
See all related articles

Ethnic differences in mammographic density exist, with Asian women having a higher percentage of dense breast tissue despite smaller overall breast size. Further research is needed to clarify the breast cancer risk implications.

Area of Science:

  • Oncology
  • Radiology
  • Epidemiology

Background:

  • Breast cancer incidence varies significantly across ethnic groups, being lower in Japanese and Chinese women compared to Caucasian and Native Hawaiian women.
  • Mammographic density, a measure of breast tissue composition, is a known risk factor for breast cancer.
  • Ethnic disparities in breast cancer risk may be influenced by differences in mammographic density.

Purpose of the Study:

  • To investigate the hypothesis that ethnic groups with higher breast cancer risk exhibit greater mammographic densities.
  • To explore ethnic variations in mammographic density among women.

Main Methods:

  • Cross-sectional study involving 514 pre- and post-menopausal women recruited from mammography screening clinics.
  • Utilized a computer-assisted method to quantify dense breast area, total breast area, and calculate percentage breast density.

Related Experiment Videos

  • Employed Student's t-tests and multiple linear regression to analyze ethnic differences and determinants of mammographic density.

    • Main Results:

    • Chinese and Japanese women had a 15% smaller mean dense breast area compared to the Caucasian/Hawaiian group.
    • Despite smaller breast size, Chinese and Japanese women exhibited a 20% higher percentage of breast density than Caucasian women.
    • Factors such as body mass index, age, menopausal status, parity, and estrogen therapy were associated with mammographic density but did not fully explain ethnic differences.

    Conclusions:

    • This study identified ethnic variations in mammographic densities.
    • The clinical significance of dense breast areas and percentage breast density as breast cancer risk indicators in diverse ethnic populations requires further investigation.