Comment on “Relationship of breast cancer types with tissue density and patient age, Riyadh, Saudi Arabia, 2012-2020”

WCRJ 2023; 10: e2496
DOI: 10.32113/wcrj_20232_2496

  Topic: Breast cancer     Category:

Dear Editor,

We read with great interest the article “Relationship of breast cancer types with tissue density and patient age, Riyadh, Saudi Arabia, 2012-2020”1. In their analysis, Alshakarh et al1 reported a correlation between age, breast density, type of cancer and the importance of early detection of breast cancer as well as implementation of personalized screening program in high-risk women. The analysis advocated the need for screening program implementation, especially in younger age patients.

Screening programs significantly improved in breast cancer survival and disease free survival2. Programs are heterogenous and age ranges stand at forty to seventy years old with variations from country to country3. In Saudi Arabia, the Ministry of Health promoted primary prevention through screening programs with mammography examinations biennially in women over 40 years of age1.  This program involved younger patients compared to others that consider 45 or 50 years of age as the cut-off for entering the screening program.

Screening of younger patients can certainly help in early diagnosis, including the observed increase in in-situ carcinoma among women of this age group, especially with the advancement of digital mammography in recent years4. This increase was also reported in the Saudi Arabian study1. Furthermore, as reported by some authors4,5, this could lead to overtreatment in this population, even if the related data in the literature are debated.

As reported by Alshakarh et al1 and confirmed in the literature, usually younger patients presented more aggressive breast cancer types5,6. In those patients, early diagnosis incidence rate was lower and usually, at diagnosis, younger patients presented lymph nodes involvement7,8.  Nodal involvement, despite the progress in genetic evaluation and tailored treatments, remains one of the most influent prognostic factors for overall survival and disease-free survival9-11. Detection of early breast cancer in these patients could lead to significant advance in terms of oncological outcome and in reduction of invasive surgery12. In their study, Alshakarh et al1 delineated the importance of breast tissue exposure rather than chronologic age as a measure to define breast cancer incidence. Glandular tissue exposure refers to the area that is exposed to cumulative hormonal and lifestyle changes throughout life13. While reducing these risk factors is of high importance, achieving early diagnosis remains the fundamental issue.

Diagnosis of breast cancer in young patients, especially in early stage, could be challenging. The authors reported a strong correlation between breast density and age, but glandular solidity was independent from cancer type1. High density breast is difficult to investigate, and often mammograms and ultrasound are insufficient1.  As reported by the authors, only 42% of mammograms or ultrasound imaging were highly suspicious for malignancy. This percentage could be lower considering the patients’ age and breast tissue density1. Magnetic resonance, breast tomosynthesis or contrast-enhanced mammography are beneficial screening modalities in patients with dense breast tissue1,14. This radiological methodology could reduce the number of uncertain lesions leading to a reduction in biopsies and advantages in terms cost and psychological burdens on patients and their families1,15. Furthermore, small suspicious lesions could be encountered by obtaining an early diagnosis even in younger patients with dense breast tissue15. Despite these clinical advantages, advanced breast imaging modalities are not feasible for screening programs. In the study, Alshakarh et al1 highlighted the advantages in incorporating risk-based models for breast cancer screening. In concordance with the authors, we strongly believe in personalized screening programs which contemplate age, age of menarche, first pregnancy, live deliveries, family history of breast cancer as well as breast tissue density. Especially in younger patients, the screening modality should be tailored according to personal and family history and glandular characteristics in order to reduce the cases of advanced breast cancer in this population.

Conflict of interest

The authors declare no conflict of interest




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To cite this article

Comment on “Relationship of breast cancer types with tissue density and patient age, Riyadh, Saudi Arabia, 2012-2020”

WCRJ 2023; 10: e2496
DOI: 10.32113/wcrj_20232_2496

Publication History

Submission date: 26 Jan 2023

Revised on: 31 Jan 2023

Accepted on: 01 Feb 2023

Published online: 01 Feb 2023