Neurinoma of the oculomotor nerve

Lunardi, Pierpaolo; Rocchi, G; Rizzo, A; Missori, Paolo

doi:10.1016/0303-8467(90)90060-i

Cited by 19 publications

(3 citation statements)

References 11 publications

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“…The oculomotor nerve is known to be fragile and is easily injured [4]. Previous studies reported that total resection of the tumor results in complete oculomotor nerve palsy [5,6,7]. Worsening of oculomotor nerve function may occur after subtotal or partial resection of the tumor [2,4].…”

Section: Discussionmentioning

confidence: 99%

Oculomotor Nerve Schwannoma: A Case Report

Cho

Sung

Song

et al. 2014

Brain Tumor Res Treat

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Schwannomas account for about 8% of intracranial tumors and 90% are vestibular schwannomas. Oculomotor schwannoma without neurofibromatosis is extremely rare. A 41-year-old female presented with complaints of blurred vision, and the neurologic examination revealed afferent pupillary defect and decreased visual acuity of the left side. Brain magnetic resonance image showed an extra axial mass in the left superior orbital fissure. The patient underwent major surgery via the fronto-temporal approach. The tumor originated from the oculomotor nerve and was subtotally removed under microscopic surgery. The pathological findings confirmed the tumor as a schwannoma. After surgery, ptosis and medial gaze limitation of the left eye was detected, but the symptoms improved gradually.

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Section: Discussionmentioning

confidence: 99%

Oculomotor Nerve Schwannoma: A Case Report

Cho

Sung

Song

et al. 2014

Brain Tumor Res Treat

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“…Seven (58%) out of 12 patients underwent a complete resection[45781011] ; 4, a partial or subtotal resection[191214] ; and in 1 patient, the resection status was not specified. [2] Of the 7 patients who underwent a complete resection, 6 (86%) patients had complete third nerve palsy following surgery.…”

Section: Discussionmentioning

confidence: 99%

Large oculomotor schwannoma presenting as a parasellar mass: Case report and literature review

Prabhu

Bruner²

2010

Surg Neurol Int

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Background:Large schwannomas arising from the oculomotor nerve are very rare. The common site of tumor occurrence in this nerve is the segment within the interpeduncular cistern and the cavernous sinus. Case description:We report a case of a large left-sided oculomotor nerve schwannoma with minimal clinical signs and symptoms of oculomotor nerve involvement resembling a large parasellar mass. The radiological features of the mass were more consistent with a medial sphenoid wing meningioma causing brain stem compression. Complete resection of the tumor was achieved via a left pterional approach. The patient developed complete third nerve palsy postoperatively. Conclusion:The management of these large benign tumors with brain stem compression includes surgical resection. Intraoperative anatomical preservation of the third nerve was impossible given its course in the tumor. We discuss the pertinent literature and management of large oculomotor schwannomas.

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“…Thirty-one cases of solitary oculomotor schwannomas have been reported (Table 1). [1][2][3][4][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][26][27][28][29][30][31] The 13 male and 18 female patients were aged from 8 to 70 years (mean 47 years). These age and sex distribu- 13) 66/F none none none CI 15 partial paralysis CA: cavernous, CI: cisternal, CI-CA: cisternocavernous, ND: not described.…”

Section: Discussionmentioning

confidence: 99%

Schwannoma in the Crural Cistern Removed Without Permanent Functional Deficits

Hatakeyama

Saito

Nagatani

et al. 2003

Neurol. Med. Chir.(Tokyo)

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A 33-year-old male presented with a rare intracranial oculomotor schwannoma not associated with neurofibromatosis manifesting as an 8-month history of right oculomotor nerve paresis. Neuroimaging examinations revealed a 4-cm mass in the right crural cistern. The tumor was totally removed. The right oculomotor nerve paresis resolved 7 months after surgery. Removal of the oculomotor or trochlear schwannoma usually results in parent nerve paresis, but subcapsular tumor resection in our case probably allowed complete recovery of the nerve function.

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Neurinoma of the oculomotor nerve

Cited by 19 publications

References 11 publications

Oculomotor Nerve Schwannoma: A Case Report

Oculomotor Nerve Schwannoma: A Case Report

Large oculomotor schwannoma presenting as a parasellar mass: Case report and literature review

Schwannoma in the Crural Cistern Removed Without Permanent Functional Deficits

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