Soriano Roberto M, Rindler Rima S, Helman Samuel N, Pradilla Gustavo, Solares C Arturo
Department of Otolaryngology-Head and Neck Surgery, Emory University School of Medicine, Atlanta, Georgia, USA.
Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia, USA.
Head Neck. 2021 Jan;43(1):278-287. doi: 10.1002/hed.26483. Epub 2020 Sep 30.
A minimal access technique for the management of nasopharyngeal tumors extending below the palatal plane and laterally beyond the pterygoid musculature is yet to be developed. In this study we demonstrate the feasibility of endoscopic transoral nasopharyngectomy (ETON) for resection of large nasopharyngeal lesions as a natural orifice alternative to traditional approaches.
ETON was completed in three latex-injected specimens. Surgical freedom (SF) and angles of attack (AoA) were calculated along the internal carotid artery (ICA).
An endoscopic transoral approach was successfully used to identify the parapharyngeal ICA and subsequently perform a complete nasopharyngeal resection. SF and AoA (sagittal) were found to be the greatest at the anterior genu of the ICA.
ETON is feasible. It provides wide exposure of the skull base and proximal control of the ICA. It may be indicated for the management of nasopharyngeal tumors with inferolateral extension, involving the ICA.
一种用于处理延伸至腭平面以下且向外侧超出翼状肌群的鼻咽肿瘤的微创技术尚未开发出来。在本研究中，我们证明了内镜经口鼻咽切除术（ETON）作为传统方法的自然腔道替代方案用于切除大型鼻咽病变的可行性。
在三个注射了乳胶的标本上完成了ETON。沿着颈内动脉（ICA）计算手术自由度（SF）和攻击角度（AoA）。
内镜经口入路成功用于识别咽旁ICA，随后进行了完整的鼻咽切除术。发现SF和AoA（矢状面）在ICA的前膝部最大。
ETON是可行的。它能广泛暴露颅底并对ICA进行近端控制。它可能适用于处理向外侧下延伸且累及ICA的鼻咽肿瘤。
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