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Case Reports
. 2006 Dec;88(12):1654-5.
doi: 10.1302/0301-620X.88B12.17562.

Intracranial penetration of a halo pin causing an epileptic seizure

R Kingma  1 , J M Peters, L N J E M Coene
Affiliations
Case Reports

Intracranial penetration of a halo pin causing an epileptic seizure

R Kingma et al. J Bone Joint Surg Br. 2006 Dec.

Abstract

A 71-year-old man with ankylosing spondylitis and an unstable fracture of the 6th and 7th cervical vertebrae was managed with a halo vest. Eight weeks following application the halo had shifted because of a loose pin. The patient's only complaint at the time was a headache but this was followed two days later by a seizure. An MR scan of the brain showed a swollen cortex under the right dorsal pin as a result of a perforation of the internal lamina by the pin. The halo was removed and anti-epileptic medication commenced. The patient had no further seizures.

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