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Minimally invasive endoscopic resection for the treatment of sinonasal malignancy: the outcomes and risk factors for recurrence

Authors He N, Chen XH, Zhang L, Chen XJ, Huang ZG, Zhong Q, Ma HZ, Feng L, Hou LZ, Fang JG

Received 27 December 2016

Accepted for publication 14 February 2017

Published 3 May 2017 Volume 2017:13 Pages 593—602

DOI https://doi.org/10.2147/TCRM.S131185

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Hoa Le

Peer reviewer comments 2

Editor who approved publication: Professor Deyun Wang

Video abstract presented by Jugao Fang.

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Ning He,1–3 Xiaohong Chen,2 Luo Zhang,2 Xuejun Chen,2 Zhigang Huang,2 Qi Zhong,2 Hongzhi Ma,2 Ling Feng,2 Lizhen Hou,2 Jugao Fang1,2,4

1Department of Otolaryngology – Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, 2Key Laboratory of Otorhinolaryngology, Head and Neck Surgery, Ministry of Education, Beijing Institute of Otorhinolaryngology, Beijing, 3Department of Otolaryngology & Head and Neck Oncology, The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi Zhuang Autonomous Region, 4Beijing Key Laboratory of Head and Neck Molecular Diagnostic Pathology, Beijing, People’s Republic of China

Purpose: The role of minimally invasive endoscopic resection (MIER) in the treatment of sinonasal malignancy is controversial. Herein, we performed a retrospective review of a large case series of sinonasal malignancy patients treated with MIER aimed at evaluating the outcomes and identifying the risk factors for recurrence.
Methods: Patients with sinonasal malignancy who underwent MIER from March 2000 to May 2015 were enrolled, and their clinical data were collected. The clinical outcomes were evaluated by determining the 5-year overall survival (OS) and disease-free survival (DFS). The predictive factors for survival and potential independent risk factors for recurrence were explored.
Results: A total of 120 patients were enrolled, including 62 males and 58 females. The mean follow-up period was 51.4 (95% confidence interval: 44.0–59.1) months. The most frequent histological type was mucosal malignant melanoma. The positive margin rate was 19.2% (23/120). Seventy-one patients had the safety anatomic plane (SAP). Age ≥50 years, nodal metastasis, and not having the SAP were found to be predictive factors for survival, and absence of SAP was found to be an independent risk factor for recurrence.
Conclusion: Our study indicated that MIER is an effective and safe surgical procedure in appropriately selected patients. Tumor resection with a safety anatomic boundary is likely to lead to improved survival and decreased recurrence. However, a larger sample and long-term prospective observation are still required to establish the role of MIER in treatment of sinonasal malignancy.

Keywords: minimally invasive endoscopic resection, sinonasal skull base, malignancy, outcome, recurrence

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