• World Neurosurg · May 2016

    Advantage of extended craniofacial resection for advanced malignant tumors of the nasal cavity and paranasal sinuses: long-term outcome and surgical management.

    • Kiyohiko Sakata, Akiteru Maeda, Hideaki Rikimaru, Takeharu Ono, Noriyuki Koga, Nobuyuki Takeshige, Takashi Tokutomi, Hirohito Umeno, Kensuke Kiyokawa, and Motohiro Morioka.
    • Department of Neurosurgery, Kurume University School of Medicine, Fukuoka, Japan. Electronic address: kiyo@med.kurume-u.ac.jp.
    • World Neurosurg. 2016 May 1; 89: 240-54.

    ObjectiveCraniofacial resection (CFR) for advanced sinonasal malignant tumors (SNMTs) is mandatory for radical resection. Surgeons must be aware of perioperative complications and long-term outcome because this procedure is extremely invasive, especially when the tumor involves the anterior skull base.MethodsThirty-eight consecutive surgical patients with advanced SNMT of T4 stage or Kadish stage C (31 men and 7 women; mean age, 55 years; range: 19-76 years) treated with CFR in the past 28 years were followed up for 59.4 months. In cases of unilateral orbital extension, en-bloc resection was achieved using several neurosurgical techniques (extended CFR) from 2005 onwards. Herein, we evaluated the safety and effectiveness of surgery by comparing survival data between 2 time periods (first stage: 1984-2004, second stage: 2005-2012).ResultsSquamous cell carcinoma was the most common histological type observed (65.8%), followed by esthesioneuroblastoma (15.8%). Using a combination of adjuvant radiation therapy, the 5-year overall survival and the 5-year disease-specific survival rates were 55.5% and 59.4%, respectively. Sarcomatous histology was a poor prognostic factor. The 5-year disease-specific survival rate was 48.9% in the first stage and improved to 82.1% in the second stage (P = 0.057); this was related to improvements in local control rate.ConclusionsCFR and postoperative radiotherapy are safe and effective for treating advanced SNMTs. Extended CFR, including radical orbital exenteration, may contribute to good long-term outcomes. A diverse surgical team may help perform radical resection and reconstruction in patients with advanced tumors.Copyright © 2016 Elsevier Inc. All rights reserved.

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