• Julien Engelhardt and Jean-Rodolphe Vignes.
• Service de neurochirurgie A, Hôpital Pellegrin, CHU Bordeaux, Place Amélie Raba-Léon, 33076, Bordeaux, France. julien.engelhardt@gmail.com.
• Eur Spine J. 2016 May 1; 25 Suppl 1: 19-26.

PurposeMostly seen at the thoracic level, arachnoid cysts are a very rare cause of cervical spinal cord compression. Generally treated by laminectomy and cyst fenestration, this approach does not allow removing the cyst in its entirety without manipulating the weakened spinal cord. The aim of this report is to present the case of a cervical intradural arachnoid cyst surgically removed by an anterior approach with corporectomy.MethodsHere is the case of an 18-year-old amateur boxer presenting with a voluminous cervical intradural anterior arachnoid cyst, extending from C2 to C5. Symptoms were cervical pain, quadriparesis, and clumsiness of both arms which had appeared just after a traffic accident. An anterior approach was chosen, through a C5 corporectomy.ResultsThe patient totally recovered from his sensitive symptoms at discharge and from his motor symptoms 6 weeks later. Early as well as 3-years post-operatively, MRI confirmed expansion of the spinal cord without any centro-medullar signal. The patient remained asymptomatic 3 years after surgery. Since the first report in 1974, 16 cases of symptomatic cervical intradural arachnoid cysts were treated via a posterior approach, one by MRI-guided biopsy, and one was re-operated on through an anterior approach. For 14 patients, their conditions had improved, while one died of pneumonia, one presented a condition worsened, and one had a stable neurological status.ConclusionUsing an anterior approach is a safe procedure that allows resection of a cervical arachnoid cyst without any manipulation of the weakened spinal cord, while giving the best possible view.

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