Frazier Point

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Synonyms
Frazier point

The Frazier point serves as a superficial anatomical landmark for occipital ventricular puncture.

Definition

The Frazier point is defined as 6 cm cranial to the inion and 3-4 cm lateral to the midline. To perform a ventricular puncture via the Frazier point, the catheter trajectory should target a point 4 cm superior to the contralateral medial canthus1.

Figure

Schematic illustration of the Frazier point
Schematic illustration of the Frazier point for ventricular puncture. Figure adapted from Morone PJ et al. (2020).

References

    1. Morone, Peter J., et al. "Craniometrics and ventricular access: a review of Kochers, Kaufmans, Paines, Menovksys, Tubbs, Keens, Fraziers, Dandys, and Sanchezs points." Operative Neurosurgery 18.5 (2020): 461-469. ↩ ↩

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