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Correlation between Ki67 and breast cancer prognosis
Konstantinos Kontzoglou1, Victoria Palla, George Karaolanis
1Second Department of Propaedeutic Surgery, Medical School, University of Athens, Laikon General Hospital, Athens, Greece.
Oncology
|February 1, 2013
Summary
The Ki67 protein is a key marker for breast cancer proliferation. While many studies link Ki67 to survival outcomes, further research is needed to confirm its role as a standard prognostic marker.
Area of Science:
- Oncology
- Biomarkers
Background:
- Ki67 is an established immunohistochemical marker for cell proliferation.
- Its role in breast cancer prognosis is extensively studied, primarily through retrospective analyses.
Purpose of the Study:
- To review and synthesize existing literature on the prognostic significance of Ki67 in breast cancer.
- To evaluate the current evidence regarding Ki67 as a predictive marker for patient outcomes.
Main Methods:
- A comprehensive literature search was conducted on MEDLINE/PubMed.
- Keywords included 'Ki 67', 'breast', 'cancer', and 'prognosis'.
- The review included English-language articles published up to 2012.
Main Results:
- A total of 78 relevant articles and abstracts were included in this review.
- The findings indicate a general association between Ki67 levels and overall survival and disease-free survival in breast cancer patients.
- The prognostic value of Ki67 is supported by a majority of the reviewed studies.
Conclusions:
- The prognostic role of Ki67 in breast cancer remains a subject of ongoing discussion.
- Most studies suggest a correlation between Ki67 expression and patient survival.
- Additional research is recommended to solidify Ki67's status as a standard prognostic marker in breast cancer management.
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