Spinal accessory mononeuropathy following posterior fossa decompression surgery

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Isolated injury of the spinal accessory nerve is a well-recognized complication of surgeries involving the posterior triangle of the neck. The procedures most commonly implicated are lymph node biopsy and carotid endarterectomy. We present a patient with isolated injury to the spinal accessory nerve, localized proximal to the innervation of the sternocleidomastoid muscle, which was noted following suboccipital decompression for an Arnold–Chiari malformation. To our knowledge, this association has not been previously reported.

Keywords: Arnold–Chiari malformation; cranial neuropathy; spinal accessory nerve; suboccipital decompression; surgical complication

Document Type: Original Article

Affiliations: Department of Neurology, University of Connecticut School of Medicine, Farmington, CT, USA

Publication date: April 1, 2002

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