Quality of life and survival rate after primary surgical treatment of oral squamous cell carcinoma: A retrospective study with 18 years of follow-up.
2021
The aim of this study is to evaluate the long-term survival rates and assess the long-term quality of life (QoL) of patients treated for oral squamous cell carcinoma (OSCC). Patients, who underwent primary surgical tumor resection for OSCC at a single hospital center in Germany between 1998 and 2016, were eligible for inclusion in this analysis of survival rates and QoL parameters. The University of Washington-QoL version 4 (UW-QoL v4) questionnaire was administered to the patients in the years 2015 and 2016. The cases of 145 patients with the histological diagnosis of OSCC were included in this study. Despite a common distribution of tumor stage, the 1-year survival rate was 88.0% and the 5-year survival rate was 70.0%. The QoL questionnaire item, 'pain' (84) was selected most frequently. Chewing (50) and swallowing (58) yielded the lowest score. Chewing and swallowing impairment correlated significantly with an increase in tumor size, higher tumor stages, and the use of radio (chemo-)therapy (p < 0.001). In this retrospective study, patients reported significant long-term dysphagia and difficulty chewing. These parameters should be investigated in prospective studies to evaluate methods that could reduce the risk of suffering from these impairments.
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