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Papers of the Week


2021 Jan 12


Neurochirurgie

A New Method for Determination of the Keyhole Position in the Lateral Suboccipital Approach to Avoid Transverse-Sigmoid Sinus Injury: Proposition of the Groove Line as a New Surgical Landmark.

Abstract

The asterion is frequently used as an anatomical landmark to determine the location of a keyhole in the lateral suboccipital approach used in craniotomies. However, the asterion may not be ideal because of large individual differences among patients. We examined a simple and safe method for determining an optimal keyhole position (KP) using the digastric groove as a new landmark in the lateral suboccipital approach.