The "Bevel drilling" for degenerative cervical myelopathy: A technical note with illustrative video.

Degenerative cervical myelopathy is a pathology frequently encounterd in the neurosurgical practice. Posterior ostophytes located at the posterior part of the vertebral endplate are frequently involved in the reduction of the cervical canal. We propose a description of the technique used in our department to drill this posterior part of the endplate safely with the help of modern instruments and microscope magnification.

Fully endoscopic endonasal approach for the treatment of intrasellar arachnoid cysts.

Purpose: To report our experience of endoscopic endonasal obliteration of symptomatic sellar arachnoid cyst (SAC).

Methods: From 2002 to 2019, we retrospectively reported the data of 17 cases of SAC operated in Timone University Hospital, Marseille, France. Preoperative clinical findings were collected including main symptoms, visual function and endocrinological assessment.