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Erschienen in: International Journal of Clinical Oncology 5/2020

20.01.2020 | Original Article

Postradiotherapy persistent lymphopenia as a poor prognostic factor in patients with cervical cancer receiving radiotherapy: a single-center, retrospective study

verfasst von: Ayumi Taguchi, Akiko Furusawa, Kei Ito, Yujiro Nakajima, Takuya Shimizuguchi, Konan Hara, Maki Takao, Tomoko Kashiyama, Nao Kino, Katsuyuki Karasawa, Toshiharu Yasugi

Erschienen in: International Journal of Clinical Oncology | Ausgabe 5/2020

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Abstract

Background

Radiotherapy (RT) is effective in cervical cancer; radiation-induced lymphopenia correlates with poor survival outcome in several cancer types. We investigated the association of total lymphocyte count (TLC) with survival outcomes in patients with cervical cancer.

Methods

We retrospectively reviewed 168 patients with cervical cancer initially treated with definitive RT. We obtained clinicopathological data and TLCs before RT and at the end and at 6 months after RT. Patient-, treatment-, and tumor-specific factors were evaluated to determine their predictive values for overall survival. The association of overall and progression-free survivals with lymphopenia at each point was evaluated.

Results

Median follow-up duration was 44 (interquartile range: 25–67) months. Median TLCs before RT and at the end and at 6 months after RT were 1625/mm3, 400/mm3, and 800/mm3 (interquartile range: 1270–1930/mm3, 290–550/mm3, and 600–1067/mm3), respectively. For overall survival, in addition to FIGO stage, body mass index, histology, treatment, and presence of para-aortic lymph node metastasis, lymphopenia at 6 months after RT was a poor prognostic factor in multivariate analysis (P = 0.0026; hazard ratio [HR], 3.06; 95% confidence interval [CI]: 1.48–6.33). For progression-free survival, TLCs before and at 6 months after RT were poor prognostic factors in univariate analysis (P = 0.0318 and 0.0081, respectively); however, the latter was the only independent prognostic factor in multivariate analysis (P = 0.0021; HR, 2.67; 95% CI: 1.43–4.99).

Conclusion

Post-RT persistent lymphopenia could be a poor prognostic factor for patients with cervical cancer who receive RT.
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Metadaten
Titel
Postradiotherapy persistent lymphopenia as a poor prognostic factor in patients with cervical cancer receiving radiotherapy: a single-center, retrospective study
verfasst von
Ayumi Taguchi
Akiko Furusawa
Kei Ito
Yujiro Nakajima
Takuya Shimizuguchi
Konan Hara
Maki Takao
Tomoko Kashiyama
Nao Kino
Katsuyuki Karasawa
Toshiharu Yasugi
Publikationsdatum
20.01.2020
Verlag
Springer Singapore
Erschienen in
International Journal of Clinical Oncology / Ausgabe 5/2020
Print ISSN: 1341-9625
Elektronische ISSN: 1437-7772
DOI
https://doi.org/10.1007/s10147-020-01623-y

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