Accurate frameless registration of MR and CT images of the head: applications in planning surgery and radiation therapy.

PURPOSE To evaluate the feasibility and efficacy of a three-dimensional image registration technique for planning skull base surgery, performing frameless image registration for stereotaxic neurosurgery, and staging nasopharyngeal carcinoma. MATERIALS AND METHODS Computed tomographic (CT) and magnetic resonance (MR) images from 35 patients were registered… CONTINUE READING