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Fig. 1 | BMC Neurology

Fig. 1

From: Mobile intraoperative CT-assisted frameless stereotactic biopsies achieved single-millimeter trajectory accuracy for deep-seated brain lesions in a sample of 7 patients

Fig. 1

Stereotactic planning and cannula position verification in an exemplary patient. A three-dimensional image-based head reconstruction with planned biopsy trajectory from a right occipital approach. B axial and C coronal T1-weighted contrast-enhanced MRI sequences. The target is indicated by the crosshairs; mainly out of plane are the planned trajectory (parallel lines), the planned biopsy region (violet), as well as the intra-procedural CT-verified tip, intracranial trajectory and entry point of the biopsy cannula (red, dashed line and green point, respectively)

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