Schwannoma of the extracranial portion of the accessory nerve presenting as spinal adenopathy

Schwannomas are benign tumours arising from Schwann cells in the peripheral nerve. The schwannoma of the accessory nerve is a very rare entity. We report a case of Schwannoma of the extracranial accessory nerve. A 22-year-old man presented with a slow-growing mass, located on the right upper neck. T...

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Bibliographic Details
Published in:BMJ case reports 2019-05, Vol.12 (5), p.e228647
Main Authors: El Fakiri, Mohamed Mehdi, Lahjaouj, Meryem, Roubal, Mohammed, Mahtar, Mohammed
Format: Article
Language:English
Subjects:
Accessory Nerve Diseases - diagnostic imaging
Accessory Nerve Diseases - pathology
Accessory Nerve Diseases - surgery
Case reports
Consent
Cranial Nerve Neoplasms - diagnostic imaging
Cranial Nerve Neoplasms - pathology
Diagnosis, Differential
Ears & hearing
Humans
Lymphadenopathy - diagnosis
Male
Medical imaging
Neck
Neck - pathology
Neurilemmoma - diagnostic imaging
Neurilemmoma - pathology
Neurilemmoma - surgery
Rare Disease
Surgery
Tuberculosis
Tumors
Young Adult
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Summary:Schwannomas are benign tumours arising from Schwann cells in the peripheral nerve. The schwannoma of the accessory nerve is a very rare entity. We report a case of Schwannoma of the extracranial accessory nerve. A 22-year-old man presented with a slow-growing mass, located on the right upper neck. The patient did not have any neurological deficit. CT scan showed a hypodense mass behind sternocleidomastoid muscle. The suspected diagnosis was an adenopathy of the accessory spinal chain. Surgery was done via transcervical approach. The histopathological analysis concluded with a diagnosis of schwannoma. No recurrence was noted at the follow-up examination 29 months after surgery.
ISSN:1757-790X
1757-790X
DOI:10.1136/bcr-2018-228647