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Radiol Res Pract. 2012;2012:127485. doi: 10.1155/2012/127485. Epub 2012 Dec 30.

Mammographic breast density patterns in asymptomatic mexican women.

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1
Instituto de Medicina Forense, Universidad Veracruzana, 94294 Boca del Río, VER, Mexico.

Abstract

Breast density (BD) is a risk factor for breast cancer.

AIMS:

To describe BD patterns in asymptomatic Mexican women and the pathological mammographic findings.

METHODS AND MATERIAL:

Prospective, descriptive, and comparative study. Women answered a questionnaire and their mammograms were analyzed according to BI-RADS. Univariate (χ(2)) and conditional logistic regression analyses were performed.

RESULTS:

In 300 women studied the BD patterns were fat 56.7% (170), fibroglandular 29% (87), heterogeneously dense 5.7% (17), and dense pattern 8.6% (26). Prevalence of fat pattern was significantly different in women under 50 years (37.6%, 44/117) and older than 50 (68.8%, 126/183). Patterns of high breast density (BD) (dense + heterogeneously dense) were observed in 25.6% (30/117) of women ≤50 years and 7.1% (13/183) of women >50. Asymmetry in BD was observed in 22% (66/300). Compression cone ruled out underlying disease in 56 cases. In the remaining 10, biopsy revealed one fibroadenoma, one complex cyst, and 6 invasive and 2 intraductal carcinomas. 2.6% (8/300) of patients had non-palpable carcinomas. Benign lesions were observed in 63.3% (190/300) of cases, vascular calcification in 150 cases (78.9%), and fat necrosis in 38 cases (20%).

CONCLUSIONS:

Mexican women have a low percentage of high-density patterns.

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