Clin Transl Radiat Oncol. 2017 Jul 07;5:20-27. doi: 10.1016/j.ctro.2017.06.002. eCollection 2017 Aug.
Survival and failure types after radiation therapy of vulvar cancer.
Clinical and translational radiation oncology
Christina Steen Vorbeck, Ivan Richter Vogelius, Marie Louise Vorndran Cøln Banner-Voigt, Hanne From Mathiesen, Mansoor Raza Mirza
Affiliations
Affiliations
- Department of Oncology, Rigshospitalet, Copenhagen University Hospital, Denmark.
PMID: 29594213
PMCID: PMC5833899 DOI: 10.1016/j.ctro.2017.06.002
Abstract
BACKGROUND AND PURPOSE: Describe the survival rates and distribution of events on competing failure types in vulvar carcinoma after treatment with chemoradiation (CRT) or radiation (RT) alone.
MATERIAL AND METHODS: We included patients with vulvar carcinoma treated with CRT or RT between 2009 and 2014. Survival was estimated using the Kaplan-Meier method. We performed a competing risk analysis and included five competing events: loco-regional failure (LRF), distant metastasis, LRF plus distant metastasis, and death without evidence of disease, with the remaining patients denoted alive without evidence of disease.
RESULTS: 87 patients were treated. Progression free survival (PFS) and overall survival (OS) at 3 years were 40% and 57%, respectively. 41.3% of patients relapsed, most often loco-regionally. We saw significantly worse PFS and OS for patients older than 68 (
CONCLUSIONS: LRF was the most common event. PFS and OS were inferior for elderly patients and patients treated definitively. A better understanding of these differences may be used to define risk adapted treatment strategies.
Keywords: Chemoradiation; Elderly; Failure types; Radiation; Vulvar cancer
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