Abstract
American Joint Committee on Cancer/Union for International Cancer Control (AJCC/UICC) rT staging have great clinical impracticality. The aim of the present study was to establish a new rT staging to guide endoscopic surgery for the treatment of recurrent nasopharyngeal carcinoma (rNPC). This surgical rT staging (named Fudan rT staging) was constructed using two significant risk factors: the distance from the tumor margin to the internal carotid artery, and dural invasion. Log-rank and receiver operating characteristic (ROC) curve analyses were used to evaluate its effectiveness. Fudan rT staging can effectively separate the overall survival (OS) and progression-free survival (PFS) of patients with rNPC according to the different rT stages (p < 0.05). In addition, ROC analysis showed that the Fudan rT staging exhibited enhanced prognostic value for OS and PFS compared with the AJCC/UICC rT staging. The innovative Fudan rT staging has a better predictive value for the survival of patients with rNPC than AJCC/UICC rT staging.
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