Variations of Bi-Rads 5 in mammography by age, ethnicity, and breast density: a retrospective study in University Malaya Medical Centre

Fairuz, Mohd Nasir and Azizah, Ab Ghani and Kodaiyarasi, Suppaya (2020) Variations of Bi-Rads 5 in mammography by age, ethnicity, and breast density: a retrospective study in University Malaya Medical Centre. Asian Journal of Medicine and Biomedicine, 4 (SI 1). pp. 11-16. ISSN 2600-8173

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Abstract

Breast cancer is the most frequently diagnosed cancer among Malaysian women. BI-RADS 5 category in the mammogram report found breast lesion with a highly predictive of malignancy. Age, ethnicity and breast density are the primary risk factor in developing breast cancer. The objective of this study was to identify age, ethnicity, and breast density differences in BI-RADS 5 among mammographic patients at University Malaya Medical Centre (UMMC). This study was conducted retrospectively from 2015 to 2019 in UMMC. The subject criteria selected for this study are women aged 40 years and above which categorized in BI-RADS 5 from the mammogram examination. Patient’s data on age, ethnicity, and breast density were retrieved from the Radiology Information System (RIS) of UMMC. Among 110 cases, 20% were in the age group of 40-49, 28.2% in the age group of 50- 59, 35.5% in the age group of 60-69 while the 16.4% were between 70-79 years old. By ethnic distribution, the majority were Chinese with 46.4%, followed by Malays 42.7%, and 10.9% were Indian. 14.5%, 40.9%, 33.6%, 10.9% of patients were classified as having categories A-D breast density, respectively. The study indicated women were in the age group of 60-69 and Chinese ethnic group are most likely to develop breast cancer. Although many studies have shown that risk factor for breast cancer is greater for denser breast tissue, this present study shows that BI-RADS B (scattered fibro glandular breast tissue) is most likely to have breast cancer. It is therefore important to have a regular follow-up of these patients and to raise the awareness of these patients.

Item Type: Article
Uncontrolled Keywords: BI-RADS 5, Mammography, Breast cancer
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Health Sciences
Depositing User: Fatin Safura
Date Deposited: 07 Jun 2022 08:30
Last Modified: 07 Jun 2022 08:30
URI: http://eprints.unisza.edu.my/id/eprint/7469

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