Intraorbital Schwannoma of the Abducens Nerve: Case Report

Feichtinger, Matthias; Reinbacher, Knut; Pau, Mauro; Klein, Angelika

doi:10.1016/j.joms.2012.05.017

Cited by 13 publications

(21 citation statements)

References 3 publications

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“…Similar to the other descriptions, 1,3,4,5) we were able to demonstrate the origin of the schwannoma from the abducens nerve preoperatively on MRI (Fig. 1) and intraoperatively by identifying the area of attachment of the tumor (Fig.…”

Section: Discussionsupporting

confidence: 85%

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Orbital Abducens Nerve Schwannoma: A Case Report and Review of the Literature

Iida

Sakata

Kobayashi

et al. 2016

NMC Case Report Journal

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Intraorbital schwannoma is a rare tumor which accounts for about 1–2% of all neoplasms of the orbit. Orbital schwannomas most commonly arise from the sensory branches of the trigeminal nerve. On the other hand, intraorbital abducens nerve schwannomas are extremely rare, with a search of the English literature identifying only four cases of intraorbital abducens nerve schwannoma. This is the 5th reported case of an orbital schwannoma arising from the terminal branch of the abducens nerve to the lateral rectus muscle. We report a case of an intraorbital abducens nerve schwannoma in a 51-year-old man with no signs of neurofibromatosis. The tumor was totally excised with functional preservation of the nerve by a zygomatic approach with lateral orbitotomy. With knowledge of these anatomic features, total removal of the tumor with preservation of the abducens nerve function might be possible.

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Section: Discussionsupporting

confidence: 85%

“…We summarized the main features by comparing our case with those described by Irace et al, 5) Rato et al, 1) Feichtinger et al, 4) and Bhaganagare et al 3) (Table 1). …”

Section: Discussionmentioning

confidence: 75%

Orbital Abducens Nerve Schwannoma: A Case Report and Review of the Literature

Iida

Sakata

Kobayashi

et al. 2016

NMC Case Report Journal

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“…They gradually grow in size and produce progressive painless ocular proptosis. 12,13 They may have headache. The vision is usually not impaired unless the tumour is situated at orbital apex and compresses on the optic nerve.…”

Section: Discussionmentioning

confidence: 99%

“…16 The schwannoma can be approached by lateral or superior orbitotomy. 8,13 Superior orbitotomy provides direct access to superior, medial and lateral quadrants of orbit to ensure safe and complete excision of the lesions. The nerve attachment at the myoneural junction has to be visualised to preserve the integrity of the nerve.…”

Section: Discussionmentioning

confidence: 99%

Intraorbital Abducens Nerve Schwannoma- A Case Report

R¹,

Devaraj²

2017

jebmh

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“…Total resection of intraosseous schwannomawas described as a sufficient treatment, in particular for limited tumors without invasion of adjacent structures. However, only volume reduction, without total removal or tumor control can be achieved with a surgical approach in others cases [ 35 ].…”

Section: Reviewmentioning

confidence: 99%

Solitary intraosseous schwannoma of the base and vault of the skull: a summary review of such unusual location

et al. 2015

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Intra-osseous schwannoma is a rare mesenchymal tumor. Although, the head and neck region is one of the most common sites for schwannomas, its location at the skull bone is uncommon and accounted for less than 0.2% in the largest series of bone tumors ever reported. Furthermore, it is most often a benign tumor, malignant transformation is exceedingly rare.Clinical presentation is non-specific, most often symptoms are associated with compression and invasion of adjacent organs. Neuro-imaging features are non-specific and the diagnosis is based on histological examination with immunohistochemical study.Surgery remains the aim of treatment. However, radiation therapy could be an interesting therapeutic option in unresectable tumors.This systemic review offers new clinicopathological data useful for better defining the diagnosis and clinicopathological behavior of schwannoma. The purpose of this work is to raise awareness among clinicians adding this clinical entity as a differential diagnosis when a mass of skull bone is identified.

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Intraorbital Schwannoma of the Abducens Nerve: Case Report

Cited by 13 publications

References 3 publications

Orbital Abducens Nerve Schwannoma: A Case Report and Review of the Literature

Orbital Abducens Nerve Schwannoma: A Case Report and Review of the Literature

Intraorbital Abducens Nerve Schwannoma- A Case Report

Solitary intraosseous schwannoma of the base and vault of the skull: a summary review of such unusual location

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