Epidermoid Cyst in the Cerebellopontine Angle: Technical Description Video
01 June 2018
11 November 2018
08 January 2019 (eFirst)
Objectives To describe the operative technique for treatment of epidermoid cysts in the cerebellopontine angle (CPA).
Design The present video is a case report.
Setting Patient is positioned in three-quarters prone. Retrosigmoid approach should be made under neurological monitoring and with neuronavegation to help achieve maximal safe resection. The skin incision is vertical, slightly curved, 5 mm medial to the mastoid notch. Craniectomy is superiorly limited by the transverse sinus and laterally limited by the sigmoid sinus. A C-shaped durotomy is made with its base protecting the sigmoid sinus. The lesion is removed in piecemeal fashion ([Fig. 1]). The neurological monitoring helps.
Results The patient was discharged 2 days later without neurological deficits.
Conclusions The surgical treatment associated with neurological monitoring and neuronavegation is a safe procedure to treat epidermoid cysts in the CPA.
The link to the video can be found at: https://youtu.be/sEuFyq9c2sw.