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Eur J Surg Oncol. 2001 Aug;27(5):464-71.

Cyclin E overexpression as an independent risk factor of visceral relapse in breast cancer.

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Department of Internal Medicine, Seoul National University College of Medicine, 28, Yongon-dong, Chongno-gu, Seoul, 110-744, Korea



Prognostic value of the cyclin E overexpression in breast cancer has not been clearly established, especially in relation to the pattern of recurrence. We investigated the implication of cyclin E overexpression for the pattern of recurrence in Korean breast cancer patients.


Using immunohistochemical methods, we retrospectively examined the cyclin E expression level in breast cancer specimens from 128 women who underwent curative breast surgery, and correlated the levels of expression with the pattern of relapse in patients.


Cox model-based multivariate analysis indicated that distant relapse could be predicted by the number of positive axillary lymph nodes, high cyclin E expression, and the younger age (<35 years) of the patient. We tested further the association of cyclin E overexpression with the specific types of recurrence; multivariate analyses indicated that adjusted relative risks of bone and visceral relapse as the first events among high cyclin E group were 2.46 (95% confidence interval (CI), 0.86-7.02) (P=0.092), and 3.98 (95% CI, 1.23-12.94) (P=0.022), respectively. On the other hand, cyclin E overexpression was not associated with the risk of locoregional relapse.


Our data suggest that cyclin E overexpression in primary breast carcinoma tissue could independently predict the risk of distant relapse, especially of visceral relapse, as the first failure after curative breast surgery.

[Indexed for MEDLINE]

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