Variations of Bi-Rads 5 in mammography by age, ethnicity, and breast density: a retrospective study in University Malaya Medical Centre
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...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
2020
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| Subjects: | |
| Online Access: | http://eprints.unisza.edu.my/7469/1/FH02-FSK-20-48348.pdf http://eprints.unisza.edu.my/7469/ |
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| Institution: | Universiti Sultan Zainal Abidin |
| Language: | English |
| Summary: | 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. |
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