Objective: Radiotherapy in oral squamous cell carcinoma (OSCC) could be either through external beam (EBRT) or brachytherapy (BT). In third-world countries, access to novel treatment like BT is limited. This study aimed to compare survival in patients with OSCC treated with EBRT with BT recipients.
Methods: We examined cases of nonmetastatic OSCC between January 1, 1987, and December 31, 2007, in the surveillance epidemiology and end results (SEER) registry. A Cox proportional hazards model was used to determine the adjusted relationship between radiation type and survival.
Results: There was no significant difference in survival (adjusted) between patients who were treated with BT and those treated with EBRT (P = .330). However, combining EBRT + BT was associated with significantly better survival compared with EBRT alone (hazard ratios [HR] = 0.61, P < .001) or BT alone (HR = 0.70, P = .024).
Conclusions: The effect of BT on survival was not significantly different from EBRT.
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