Abstract
Background and Objectives
The main treatment modality of sinonasal benign tumor is surgical resection, and the endoscopic intranasal approach has been commonly performed since the 1990s. The objective of this study was to evaluate the recurrence rates of different sinonasal benign tumors and to analyze the diverse approaches used in their surgical treatment.
Subjects and Method
In 270 patients who were histopathologically diagnosed with sinonasal benign tumor during a period of 20 years, histopathologic type, treatment approach, interval between first treatment and recurrence, and recurrence rate according to treatment approach were analyzed.
Results
Recurrence rate was higher with the intranasal approach than with the extranasal approach in inverted papilloma and angiofibroma, but the differences were not statistically significant. The proportion of the intranasal approach during the latter 10 years was higher than that during the former 10 years. There was no significant differences between the recurrence rate during the former 10 years and that during the latter 10 years for both intranasal and extranasal approaches.
Figures and Tables
Table 4
*: Patients whose diseases recurred after each period were censored, †: Base period was set on January 1st, 2,000, former 10 years range from January 1st, 1990 until December 31st, 1999 and latter 10 years range from January, 1st 2,000 until December 31st, 2009, ‡: Intranasal approach includes endoscopic approach, microscopic approach, laser vaporization, and modified Denker's operation
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