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National Journal of Maxillofacial Surgery
 
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CASE REPORT
Year : 2022  |  Volume : 13  |  Issue : 2  |  Page : 302-306

Orbital intraconal abducens nerve schwannoma: An interdisciplinary approach for management


1 Department of Oral and Maxillofacial Surgery, SDS, Krishna Institute of Medical Sciences Deemed to be University, Karad, Maharashtra, India
2 Department of Neurosurgery, Krishna Institute of Medical Sciences Deemed to be University, Karad, Maharashtra, India
3 Department of Ophthalmology, Krishna Institute of Medical Sciences Deemed to be University, Karad, Maharashtra, India

Correspondence Address:
Dr. Kumar Nilesh
Department of Oral and Maxillofacial Surgery, SDS, Krishna Institute of Medical Sciences Deemed to be University, Karad, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njms.njms_360_21

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Schwannomas are rare benign tumors arising from Schwann cells of the nerve sheath. Although the head-and-neck region accounts for a large percentage of extracranial schwannomas, those located within the orbit are infrequent. This paper presents an extremely rare case of orbital schwannoma arising from the terminal branch of abducens nerve in a 37-year-old female. The lesion presented as a large intraconal mass causing proptosis and weakness to abduct the left eye. Imaging showed a well-defined, solid-cystic lesion, measuring 2.7 cm and displacing the lateral rectus muscle laterally and the optic nerve medially. A multidisciplinary approach was used for the surgical management of the tumor. Access was attained through lateral rim osteotomy. Histopathological evaluation was diagnostic for schwannoma. A search of English literature revealed only five previously published cases of abducens nerve schwannomas. A review of these cases has also been discussed along with the present report.


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