Early Experience in Endoscopic Transoral Resection for Parapharyngeal Space Tumors

Meng, Lingzhao; Fang, Jugao; Wang, Jianhong; Wei, Yongxiang

doi:10.1177/0145561318097004-501

Cited by 15 publications

(21 citation statements)

References 19 publications

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“…4,11 However, most of the previous studies have been limited to lesions within the prestyloid PPS. [8][9][10][11][12][13][14][15][16][17] The majority of tumors originating in the prestyloid PPS are pleomorphic adenomas arising from the deep lobe of the parotid gland. 18 Tumors in the retrostyloid PPS, however, mainly originated from the lower cranial nerves (IX-XII) or sympathetic trunk; therefore, they displace the ICA in an anteromedial direction.…”

Section: Discussionmentioning

confidence: 99%

“…With the assistance of endoscopic and robotic techniques, the transoral approach for resection of PPS tumors has been adopted by other skull base centers 4,11 . However, most of the previous studies have been limited to lesions within the prestyloid PPS 8‐17 . The majority of tumors originating in the prestyloid PPS are pleomorphic adenomas arising from the deep lobe of the parotid gland 18 .…”

Section: Discussionmentioning

confidence: 99%

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Endoscopic transoral approach for resection of retrostyloid parapharyngeal space tumors: Retrospective analysis of 16 patients

London

Gao

et al. 2020

Head & Neck

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Background: The purpose of this study was to assess the feasibility of the endoscopic transoral approach for resection of retrostyloid benign tumors. Methods: We retrospectively reviewed 16 patients with retrostyloid parapharyngeal space (PPS) tumors resected via an endoscopic transoral approach. After separation and control of the internal carotid artery (ICA), tumors in the retrostyloid PPS were then removed under the guidance of angled endoscope (45). Results: All 16 patients with retrostyloid PPS tumors were successfully removed via an endoscopic transoral approach. There were 15 schwannomas and 1 paraganglioma. Two tumors were removed en bloc, and the other 14 tumors were removed by piecemeal. In five patients, the tumor extended into the jugular foramen, and was completely removed via the transoral corridor, without cerebrospinal fluid leak. No ICA injury was encountered in any of the 16 patients. Conclusion: The endoscopic transoral approach is suitable for the resection of retrostyloid PPS tumors and is associated with low morbidity.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Endoscopic transoral approach for resection of retrostyloid parapharyngeal space tumors: Retrospective analysis of 16 patients

London

Gao

et al. 2020

Head & Neck

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“…Moreover, transoral robotic surgery is an alternative for the resection of lesions arising in the parapharyngeal space . Although the aforementioned comorbidities may be avoided via transoral approach, adequate exposure of the superior pole of the tumor in UPPS and the management of lesions in the poststyloid compartment remain a surgical challenge …”

Section: Discussionmentioning

confidence: 99%

Endonasal endoscopic transpterygoid approach to the upper parapharyngeal space

London

Prevedello

et al. 2020

Head & Neck

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Background Lesions of the upper parapharyngeal space (UPPS) present a surgical challenge. The objective of this study was to ascertain the feasibility of a novel technique of modified transpterygoid approach to the UPPS. Methods Six fresh cadaveric specimens (12 sides) were dissected, developing a technique that includes en bloc mobilization of the lateral pterygoid plate and muscle to access the UPPS. Results Following an endoscopic Denker's approach and the removal of posterolateral wall of the antrum, the lateral pterygoid plate was detached from the pterygoid process. Subsequently, the lateral pterygoid plate and muscle were displaced laterally as a unit, allowing the identification of the posterior trunk of V3 and the fat in prestyloid compartment. Dissecting off the styloid aponeurosis affords entering the poststyloid UPPS exposing the internal carotid artery, internal jugular vein, and cranial nerves IX to XII. Conclusion This novel modification of the endonasal transpterygoid approach offers a viable alternative for access to the UPPS.

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“…Therefore, several case reports have examined the transoral approach to PPS tumors. Meng et al 10 stated that the transoral endoscopic approach is suitable for tumors medial or anteromedial to the internal carotid artery (ICA), but not for tumors with no clear boundary or features of invasion to the ICA or cranial nerves IX-XII. Our case fulfilled the recommended surgical indications.…”

Section: Discussionmentioning

confidence: 99%

Transoral endoscopic surgical approach to venous malformation of the parapharyngeal space

Kimura

Seino

Yamashita

2020

SAGE Open Medical Case Reports

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We encountered a rare case of venous malformation located in the parapharyngeal space. The 65-year-old female patient did not have any symptoms, and the malformation was discovered incidentally during a clinical survey. Examination of the oral cavity revealed a mass in the left soft palate. Magnetic resonance imaging showed a well-defined mass in the left parapharyngeal space. Fine needle aspiration cytology suggested no malignancy. Four years after the first visit, she underwent surgery for diagnosis and treatment. We safely removed the mass with a rigid videoendoscope trans-orally. No postoperative complications arose, and she was discharged 7 days after the operation. Histopathological examination identified cavernous hemangioma. Venous malformation (cavernous hemangioma) of the parapharyngeal space is very rare, and few cases of removal under a transoral approach using a rigid endoscope with a flexible tip have been reported. This approach is safe and can be recommended for selected tumors of the parapharyngeal space.

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Early Experience in Endoscopic Transoral Resection for Parapharyngeal Space Tumors

Cited by 15 publications

References 19 publications

Endoscopic transoral approach for resection of retrostyloid parapharyngeal space tumors: Retrospective analysis of 16 patients

Endoscopic transoral approach for resection of retrostyloid parapharyngeal space tumors: Retrospective analysis of 16 patients

Endonasal endoscopic transpterygoid approach to the upper parapharyngeal space

Transoral endoscopic surgical approach to venous malformation of the parapharyngeal space

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