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Mammographic Breast Density in Chinese Women: Spatial Distribution and Autocorrelation Patterns

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  • Christopher W K Lai
  • Helen K W Law

Abstract

Mammographic breast density (MBD) is a strong risk factor for breast cancer. The spatial distribution of MBD in the breast is variable and dependent on physiological, genetic, environmental and pathological factors. This pilot study aims to define the spatial distribution and autocorrelation patterns of MBD in Chinese women aged 40–60. By analyzing their digital mammographic images using a public domain Java image processing program for segmentation and quantification of MBD, we found their left and right breasts were symmetric to each other in regard to their breast size (Total Breast Area), the amount of BMD (overall PD) and Moran's I values. Their MBD was also spatially autocorrelated together in the anterior part of the breast in those with a smaller breast size, while those with a larger breast size tend to have their MBD clustered near the posterior part of the breast. Finally, we observed that the autocorrelation pattern of MBD was dispersed after a 3-year observation period.

Suggested Citation

  • Christopher W K Lai & Helen K W Law, 2015. "Mammographic Breast Density in Chinese Women: Spatial Distribution and Autocorrelation Patterns," PLOS ONE, Public Library of Science, vol. 10(9), pages 1-10, September.
    • Handle: RePEc:plo:pone00:0136881
    DOI: 10.1371/journal.pone.0136881
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    Cited by:

    1. Yanguang Chen, 2020. "New framework of Getis-Ord’s indexes associating spatial autocorrelation with interaction," PLOS ONE, Public Library of Science, vol. 15(7), pages 1-25, July.

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