Vol 48, No 2 (2014)

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Delayed perforation of posterior pharyngeal wall caused by dislodged bioresorbable interbody cage. Case report

Krzysztof Zapałowicz1, Maciej Radek1, Maciej Wojdyn1, Piotr Pietkiewicz2, Jurek Olszewski2
DOI: 10.1016/j.pjnns.2014.01.001
Neurol Neurochir Pol 2014;48(2):154-157.


A 48-year-old man was admitted for the management of congenital anomalies: Arnold–Chiari type I malformation combined with odontoid upward migration. He also had degenerative stenosis of the spinal canal by spurs at C2/C3 and C3/C4 levels. Osseous deformities caused ischaemic changes of the brainstem as well as spinal cord compression. Authors used the Biocage – interbody cage covered by bioresorbable layer to fill the surgically created gap after removal of the right part of C3 vertebral body. Twenty-seven months after implantation, the implant was extruded through posterior pharyngeal wall. Authors describe this unusual case and discuss possible causes of Biocage extrusion.

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Neurologia i Neurochirurgia Polska