Journal
ORAL DISEASES
Volume 29, Issue 5, Pages 2027-2033Publisher
WILEY
DOI: 10.1111/odi.14233
Keywords
oral cancer; primary intraosseous carcinoma; prognosis; radiotherapy
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This study investigates the prognostic factors and treatment of primary intraosseous carcinoma (PIOC). The results suggest that surgery combined with adjuvant therapy is the superior treatment strategy for PIOC, and radiotherapy plays a positive role in the treatment of PIOC.
Objective The purpose of this study was to investigate the prognostic factors and treatment of primary intraosseous carcinoma (PIOC). Methods Patients diagnosed with POIC and received treatment in Sichuan Cancer Hospital from 2000 to 2019 were followed up and retrospectively reviewed. Results A total of 28 patients were included in the study, with a mean age of 60 years (60 +/- 10.11). The 2-year and 5-year overall survival (OS) were 60.7% and 38.5%, respectively. In the univariate analysis, surgery combined with adjuvant therapy improved the OS compared with surgery or radiotherapy alone (p = 0.035), and patients who received postoperative adjuvant radiotherapy had a higher OS than those who received radical radiotherapy (p = 0.01). In addition, patients with well-differentiated tumors have increased progression-free survival (p = 0.01). Multivariate analyses showed that radiotherapy was an independent indicator for OS (p = 0.007). Conclusions Surgery combined with adjuvant therapy is the superior treatment strategy for PIOC at present. This study is the first to confirm the positive role of radiotherapy in treating PIOC with data to back it up.
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