T S Paleologos

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A comparison study is presented, which examines the outcome, complications and cost of stereotactic brain biopsy performed with a frameless versus a frame-based method. The technique of frameless stereotactic biopsy has been shown previously, in both laboratory and in vivo studies, to achieve a level of accuracy at least equal to frame-based biopsy. The(More)
OBJECTIVE Although interactive image guidance has been determined to be an increasingly important and reliable tool in contemporary neurosurgery, the clinical results and cost-effectiveness of the use of these systems, compared with conventional techniques, remain understudied. The aim of this study was to investigate the possible benefits of image-guided(More)
OBJECTIVE A lockable guide device, adjustable for positioning, was used to obtain samples for tissue analysis during brain biopsy procedures performed using an interactive image guidance system. Clinical validation of this technique, which was developed for true frameless stereotactic biopsies, and analyses of the histological yield, complication rate, and(More)
Spinal neurenteric cysts are rare intradural developmental lesions, usually composed of a thin-walled cyst whose lining mimicks gastro-intestinal or respiratory epithelium. A detailed review of the literature revealed 80 cases of solitary spinal neurenteric cysts (including a new case of ours), which were analysed and compared, regarding clinical and(More)
Although the treatment of colloid cysts remains controversial, high viscosity and small volume are poor prognostic indicators for successful burr hole aspiration and cortical incision via craniotomy may be associated with postoperative epilepsy. The anterior transcallosal approach provides a direct and adequate pathway to the lateral ventricles, where the(More)
The thoracic spine is different from other mobile segments of the spine because of the presence of ribs and their articulations. The rib cage makes the thoracic spine much more stable and, during trauma, provides additional strength and energy-absorbing capacity. This leads to the conclusion that severe trauma is required to damage the thoracic spine, and(More)
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