Precision of frameless stereotactic probe positioning (VarioGuide) into the brainstem

H. Giese, K.T. Hoffmann, A. Winkelmann, F. Stockhammer & U.W. Thomale
Objective: The quality of performing biopsies or placing probes into deep seated brain structures significantly depends on the precision of the technical procedure. Frameless stereotaxy, guided by neuronavigation, has its advantage in preoperative imaging; however, accuracy of this technique has been[for full text, please go to the a.m. URL]