Impact of Dural Resection on Sinonasal Malignancies with Skull Base Encroachment or Erosion

Journal of Neurological Surgery. Part B, Skull Base
Hedyeh ZiaiJohn R de Almeida

Abstract

Objectives  (1) To determine the occult rate of dural invasion in patients with tumors extending to and/or eroding the bony anterior skull base but without evidence of dural invasion on preoperative imaging. (2) To determine the impact of dural resection and of skull base erosion on survival outcomes in this group of patients (without evidence of dural invasion upon preoperative imaging). Study Design  Retrospective study. Setting  Tertiary care academic center. Participants  Patients with sinonasal malignancies with anterior skull base encroachment/erosion without dural invasion on preoperative imaging treated surgically. Main Outcome Measures  (1) Histopathologic disease in the dura in patients who had dural resection and (2) Oncologic outcomes (5-year local recurrence, dural recurrence, disease-specific survival, and overall survival) in patients with and without dural resection, and patients with and without skull base erosion. Results  Thirty-seven patients were included. The occult rate of dural invasion was 54%. Patients with dural resection had improved margin control versus those without dural resection (90% vs 56%, p  = 0.02). Dural resection improved 5-year overall survival only in patients with esthesioneuroblastoma...Continue Reading

Citations

Apr 15, 2020·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Mark A ArnoldMitchell R Gore
Mar 25, 2020·Zhurnal voprosy neĭrokhirurgii imeni N. N. Burdenko·D S SpirinE R Vetlova
Jun 7, 2020·Journal of Neuro-oncology·Colin G LeonardIan J Witterick

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