Ki-67 Biomarker Expression and Its Relationship with Metastasis Time and Location in Breast Cancer Patients
Year: 2025
Type: article
Abstract: Background and Objective: Breast cancer is the most common cancer among women, causing the death of many worldwide each year. Given the importance of determining prognosis and the role of biomarkers, this study aimed to determine the expression level Ki-67 biomarker and its relationship with metastasis time and location in breast cancer patients. Methods: This descriptive-analytical study was conducted on 154 breast cancer women admitted to the Fifth Azar Educational-Therapeutic Center in Gorgan, Iran, during 2009-2019. Upon admission, Ki-67 expression levels in tissue were determined using immunohistochemistry (IHC). Other required information, including demographic characteristics, disease stage, time interval from diagnosis to metastasis, and metastasis location, were identified and evaluated. Results: Most of the patients (63%) were in the 40-60 age group. Ki-67 levels were determined to be below 15% in 45 patients (29.2%) and above 15% in 109 patients (70.8%). A statistically significant relationship was observed between Ki-67 expression levels and the time interval from diagnosis to metastasis (P<0.05). No statistically significant relationship was found between Ki-67 expression levels and age group, metastasis location, or disease stage. Conclusion: The results of this study demonstrated that individuals with tissue Ki-67 levels above 15% experienced metastasis within a shorter period of time.
Authors: Abdolreza Fazel, Seyed Reza Khandoozi, Gholamreza Roshandel, Ashour Kor
Institution: Golestan University of Medical Sciences
Language: English
Subfield: Cancer Research
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7084771390
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