Usefulness of transcervical approach for surgical treatment of hypoglossal schwannoma with paraspinal extension: case report

Sato, Kimitoshi; Shimizu, Satoru; Oka, Hiroyuki; Nakahara, Kuniaki; Utsuki, Satoshi; Fujii, Kiyotaka

doi:10.1016/j.surneu.2005.08.020

Cited by 8 publications

(7 citation statements)

References 31 publications

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“…Independently from the nerve that is affected, surgical treatment consists of systematic exeresis of the lesions. This has been furthermore confirmed by the experience of the present authors and by case reports (2,(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)30,31). In fact, all except one of the cases were treated surgically.…”

Section: Imaging and Diagnosissupporting

confidence: 86%

“…In almost all cases, there are varying degrees of paresis of the HyN, which appear as ipsilateral deviation, hemiatrophy and fasciculations of the tongue. These symptoms may be accompanied by hoarseness, intermittent-to-persistent headaches, dysarthria, slurred speech, swallowing difficulties and throat cramps (2,4,(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28). Whereas the effects on the specific functions of the nerve may be attributable to the local damage of the tumour on the nerve, these types of lesions, particularly when they increase in volume, may determine mass effects on surrounding or adjacent structures; for example, Mariniello et al (19) reported on the case of a patient who exhibited signs of cerebellar ataxia, right-sided hypotonia and increased intracranial pressure.…”

Section: Discussionmentioning

confidence: 99%

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Schwannoma of the hypoglossal nerve: Review of the literature based on an illustrative case

et al. 2017

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Abstract. Schwannomas are benign tumours that originate from the myelin sheath of peripheral nerves. They are characterised by a slow growth tendency. Benign schwannomas represent 35% of the head and neck district tumours. Hypoglossal schwannomas account for 5% of non-vestibular schwannomas, and malignant schwannomas occur very rarely. In the present case report, the case of a 49-year-old man who presented with paraesthesias in the left parotid and submandibular region, associated with sensation of foreign bodies and dysphagia for solids, is described. A clinical examination revealed the presence of an ovoid palpable mass in the lateral-cervical region of the neck. The patient subsequently underwent excisional surgery, and neuropathological evaluation of the specimen confirmed the diagnosis of benign schwannoma with Antoni areas A and B. Despite the rarity of schwannomas, this condition should be considered in differential diagnoses for masses localised in the neck, as in cases where they reach considerable sizes (>3 cm in diameter). Surgery therefore represents the first-choice treatment.

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Section: Imaging and Diagnosissupporting

confidence: 86%

Section: Discussionmentioning

confidence: 99%

Schwannoma of the hypoglossal nerve: Review of the literature based on an illustrative case

et al. 2017

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“…In the presenting case, intravenous injection of contrast medium revealed feeding vessels of the tumour originating from the external carotid artery, enhancing the impression that the mass was a carotid body tumour. Chronic and significant compression of the hypoglossal nerve may cause hemiatrophy of the tongue but this has been rarely reported [13,14]. However, the etiology of hemiatrophy in both presented cases was a hypoglossal nerve schwannoma.…”

Section: Discussionmentioning

confidence: 85%

Hemiatrophy of the Tongue Caused by an Extensive Vagus Nerve Schwannoma Masquerading as a Carotid Chemodectoma

Rallis

Mourouzis

Maltezos

et al. 2013

J. Maxillofac. Oral Surg.

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“…Approximately 80% of hypoglossal nerve schwannomas are intradural, with a few reported cases in the extradural region of the skull base. The most common signs and symptoms in hypoglossal nerve schwannomas are those of hypoglossal nerve palsy and hemiatrophy, headache due to meningeal irritation, and signs of cerebellar or brainstem compression [8] .…”

Section: Discussionmentioning

confidence: 99%

Endoscopic Transoral Approach for Extracranial Hypoglossal Schwannoma

Zhang

Wang

et al. 2011

ORL

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Objective: Hypoglossal nerve schwannoma, especially when inside the extracranial region, is extremely rare. This report describes a new endoscopic transoral approach for the removal of extracranial hypoglossal schwannoma. Patients and Methods: Three patients (1 male and 2 females, aged 58–63 years) with extracranial hypoglossal schwannoma in the paroccipital condyle and the jugular foramen were treated solely by an endoscopic transoral approach. All patients presented signs of hypoglossal nerve paresis with hemiatrophy of the tongue. In addition, one of them had glossopharyngeal nerve paresis, and vagus nerve paresis was found in another patient. Results: In all patients, tumors underwent successful radical intracapsular removal by the endoscopic transoral approach, as confirmed by the postoperative examinations and MRI. No complications occurred during or after surgery, except that 1 patient had swallowing difficulties and a temporary right vagus palsy during the first day after surgery. All patients were followed up for 6 months, and the lack of any recurrence has been confirmed. Muscle bulk, motor and swallowing functions, and the vagus palsy improved in all patients. Conclusion: The endoscopic transoral approach is a safe and useful surgical technique for the removal of intracapsular tumors, including extracranial hypoglossal schwannomas, which involves minimal invasion.

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Usefulness of transcervical approach for surgical treatment of hypoglossal schwannoma with paraspinal extension: case report

Cited by 8 publications

References 31 publications

Schwannoma of the hypoglossal nerve: Review of the literature based on an illustrative case

Schwannoma of the hypoglossal nerve: Review of the literature based on an illustrative case

Hemiatrophy of the Tongue Caused by an Extensive Vagus Nerve Schwannoma Masquerading as a Carotid Chemodectoma

Endoscopic Transoral Approach for Extracranial Hypoglossal Schwannoma

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