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Colloid Cyst (Transcortical Approach)

Last Updated: September 29, 2018

Transcortical Transfrontal Approach for Resection of a Colloid Cyst

For general consideration, diagnosis, evaluation, indications for the procedure and preoperative considerations related to colloid cysts, please refer to the chapter on Colloid Cyst: Transcallosal Approach.

MICROSURGICAL TRANSCORTICAL RESECTION OF COLLOID CYSTS

I use the commercially available tubular retractor systems to avoid the traditional flat retractor blades that cause significantly more cortical and subcortical injury because of their sharp edges. These tubular retractor systems are more likely to spread and displace subcortical tracts (parafascicular dissection) rather than transecting them.

The minimum size diameter of the retractor tube that allows application of microsurgical instruments and stereoscopic...