Neurospine.  2020 Jul;17(Suppl 1):S145-S153. 10.14245/ns.2040228.114.

The Biportal Endoscopic Posterior Cervical Inclinatory Foraminotomy for Cervical Radiculopathy: Technical Report and Preliminary Results

  • 1Department of Neurosurgery, Him-Plus Neurosurgery Clinic, Sooncheon, Korea
  • 2Department of Neurosurgery, St Peter’s Hospital, Seoul, Korea


The purpose of the current study was to introduce a surgical technique for posterior cervical inclinatory foraminotomy (PCIF) using a percutaneous biportal endoscopic (BE) approach. Consecutive 7 patients underwent BE-PCIF for their cervical radiculopathy. Postoperative radiologic images (x-rays, computed tomography [CT], and magnetic resonance imaging [MRI]) were evaluated postoperatively for optimal neural decompression status and stability. A visual analogue scale (VAS) for the arm pain and the Neck Disability Index were used to evaluate clinical results in the preoperative and postoperative periods. Mean follow-up periods were 6.42 ± 2.99 months. The mean operative time was 101.42 ± 49.30 minutes. Postoperative MRI and CT revealed complete removal of herniated discs and ideal neural decompression of the treated segments in all patients. Disc height and stability were preserved on postoperative x-rays. Preoperative VAS and Oswestry Disability Index scores improved significantly after the surgery. BE-PCIF may be an effective surgical treatment of the cervical radiculopathic lesions, which provides successful surgical decompression as far as distal part of foramen with better operative view and more easy surgical manipulation. This approach may also minimize iatrogenic damages of the posterior cervical musculo-ligamentous structures and help to maximize the preservation of the facet joint.


Radiculopathy; Foraminotomy; Endoscopy; Cervical vertebrae; Inclinatory
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