While the entry point may need to be modified from the ideal trajectory for other anatomical reasons, such as a trajectory through the motor cortex, in general, the authors found that the optimal entry point for ETV was more posterior than previously published and highly variable.
Using image guidance or a customized trajectory based on analysis of a patient's own imaging is highly preferable to using an empirical ideal trajectory.
2012-05-01
Eng.
Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
J Neurosurg. 2012 May;116(5):1153-7
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