Laser-assisted flexible endoscopic fenestration of giant cyst of the septum pellucidum.

The use of the flexible neuroendoscope and laser fenestration in the surgical management of a symptomatic cyst of cavum septum pellucidum is reported. Successful communication was established between the cyst cavity and the lateral ventricles using this technique. Satisfactory clinical and radiological improvement as seen on MRI confirmed the operative success.