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The Treatment Outcomes of Olfactory Neuroblastoma Patients With Frontal Lobe Invasion
Jie Wang1, Li Wang1, Huanyu He2
1Department of Radiation Oncology, Eye, Ear, Nose & Throat Hospital of Fudan University, Shanghai, China.
Background:
To investigate whether frontal lobe invasion (FLI) was an unfavorable prognostic factor in patients with olfactory neuroblastoma (ONB), and to explore the optimal treatment strategy for ONB patients with FLI.
Methods:
Some 37 patients with FLI were retrospectively studied, and 74 well-matched patients without FLI were enrolled as the control group. The long-term survivals were compared between the two groups.
Results:
No significant differences were found between the two groups in overall survival (OS), progression-free survival (PFS), locoregional failure-free survival (LRFS), and distant metastasis-free survival (DMFS) (all p >0.05). Multivariate analyses showed that FLI wasn't an independent predictor for OS (HR = 1.100, 95% CI = 0.437-2.772, p = 0.840). Among the 37 patients with FLI, patients who received surgery combined with chemo-/radiotherapy showed better OS (89.4% vs. 53.6%, p = 0.001) and PFS (87.8% vs. 53.6%, p = 0.001) compared with those who didn't undergo surgery.
Conclusions:
FLI wasn't a poor prognostic factor for ONB patients. Endoscopic resection combined with radiotherapy was an effective therapeutic method for ONB patients with FLI.
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