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Angiología
versión On-line ISSN 1695-2987versión impresa ISSN 0003-3170
Resumen
CUBILLAS MARTIN, Hugo et al. Vagus-nerve schwannoma. Angiología [online]. 2021, vol.73, n.3, pp.144-147. Epub 14-Jun-2021. ISSN 1695-2987. https://dx.doi.org/10.20960/angiologia.00182.
Introduction:
schwannomas, neurilemomas or neurinomas, are benign, encapsulated, neuroectodermal tumors that generally appear as a slow-growing, asymptomatic laterocervical mass. They are rare in the head and neck area.
Clinical case:
a 39-year-old woman with a one-year history of a slowly enlarging, pulsatile, painful and movable right cervical mass on the right side of the neck. Preoperative computed angiotomography image demonstrated that the mass involved the carotid bifurcation compatible with a carotid paraganglioma. Careful dissection through a longitudinal cervicotomy, showed that the mass arose from a single fascicle of the vagus nerve. The mass was sent to the pathologists and found to be a schwannoma. The patient had normal vagus sensory and motor function postoperatively, with a slight Horner syndrome.
Discussion:
nerve tumors of the neck arise from large nerve trunks, the IX, X, XI, and XII cranial nerves, the cervical sympathetic, the cervical plexus, and the brachial plexus. The vagus nerve is an infrequent place of appearance with very few reported cases. They are difficult preoperative diagnosis lesions; whose treatment of choice is surgical excision; sometimes it is difficult to preserve the nerve of origin.
Palabras clave : Cervical; Vagus-nerve; Schwannoma.