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Int J Radiat Oncol Biol Phys. 2008 May 1;71(1):199-204. Epub 2007 Nov 26.

Prognostic value of baseline lymphocyte count in cervical carcinoma treated with concurrent chemoradiation.

Author information

1
Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.

Abstract

PURPOSE:

This study examined factors predicting tumor response and progression-free survival in patients with locally advanced cervical carcinoma treated with concurrent chemoradiation (CCRT).

METHODS AND MATERIALS:

Medical records of 143 patients with locally advanced cervical carcinoma (International Federation of Gynecology and Obstetrics Stage IB2 to IVA) treated with CCRT were reviewed. Univariate and multivariate analyses were used to retrospectively evaluate prognostic factors, including baseline lymphocyte count, that affect tumor response and progression-free survival.

RESULTS:

Of the variables evaluated, greater baseline lymphocyte count was the factor most predictive of a complete clinical response, followed by smaller tumor size (p = 0.003 and p = 0.007, respectively). Multivariate analysis showed baseline lymphocyte count, which was treated as a continuous variable with every 1 x 10(9) lymphocytes/L, to remain a prognostic factor with an odds ratio of 3.08 (95% confidence interval, 1.31-7.23). In addition, a statistically significant association (p = 0.023) was found between baseline lymphocyte count and progression-free survival, with a hazard ratio of 0.42 (95% confidence interval, 0.20-0.89) in the Cox proportional hazards model.

CONCLUSIONS:

Despite the small number of patients and possible biologic variation existing in lymphocyte subset number and activity, these findings highlight the strong prognostic value of baseline lymphocyte count in patients with locally advanced cervical carcinoma treated with CCRT. Therefore, a larger number of patients and analysis of lymphocyte subsets are needed.

PMID:
18037578
DOI:
10.1016/j.ijrobp.2007.09.024
[Indexed for MEDLINE]

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