Page 33 - Petelin, Ana, Nejc Šarabon, Boštjan Žvanut, eds. 2017. Zdravje delovno aktivne populacije ▪︎ Health of the Working-Age Population. Proceedings. Koper: Založba Univerze na Primorskem/University of Primorska Press
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The mammography efficiency in breast
cancer detection in women under 50 years

of age

Anja Brčan, Maruša Kebe, Maša Pintar, Andrej Starc

University of Ljubljana, Faculty of Health Sciences, Zdravstvena pot 5, 1000 Ljubljana, Slovenia
anja.brcan@gmail.com; metulj.6@gmail.com; masa.pintar@gmail.com;
andrej.starc@zf.uni-lj.si

Abstract
Around the world and in Slovenia female breast cancer is the most
common type of cancer. Based on risk factors the number of patients
increases. In 2005 in Slovenia, there were 1111 breast cancer cases, in 2016
the number increased up to 1307 (17.6%). In Slovenia and Europe exists
a successful screening breast cancer test program, named DORA. All
women between 50 and 69 years are invited in the program to perform
a mammography. For women less than 50 years of age several foreign
studies revealed that mammography is not the most reliable method
for early breast cancer detection. The sensitivity is 61% (< 50 years). In
relation to mammography exists a possibility for false positive results.
It has been proven that 22% of all diagnoses were pre-diagnosed. This
means that women have been exposed to invasive diagnostic procedure,
but actually they do not need. For younger women exists a 61.3% of risk
for false positive result. And for older women the risk represent 49.7%.
For women under 50 years the additional diagnostic methods are the
ultrasound and magnetic resonance imaging, also. Descriptive method
was used to critically assess Slovenian and English scientific literature.
Key words: breast cancer, mammography, screening, DORA

Breast cancer (BRC) is the most common type of cancer in women. Inci-
dence is higher in the developed world and lower in Africa and Asia (Ed-
gar et al., 2013). In 2016, there was 1307 cases of newly discovered BRC in
Slovenia, in 2005 the number was 1111. The number of newly discovered diseas-
es had increased for 17,6% (CRRS, 2017).

Risk factors for BRC are: previous BRC or BRC in family, female gender,
age, previous benign breast disease, exposure to ionizing radiation, excessive

doi: https://doi.org/10.26493/978-961-7023-32-9.31-38
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