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OBJECT The authors have developed a novel technique for percutaneous fusion in which standard microendoscopic discectomy is modified. Based on data obtained in their cadaveric studies they considered that this minimally invasive interbody fusion could be safely implemented clinically. The authors describe their initial experience with a microendoscopic(More)
OBJECTIVE AND IMPORTANCE Posterior fossa subarachnoid hemorrhage secondary to blunt head trauma is rarely associated with traumatic aneurysms of the posterior circulation. CLINICAL PRESENTATION We present three cases of posterior fossa subarachnoid hemorrhage from ruptured posteroinferior cerebellar artery (PICA) aneurysms after blunt head trauma. In each(More)
A comparison of the pharmacokinetics of oral metronidazole, after a single dose of 30 mg/kg body weight, was done in two groups of subjects: group I consisted of 10 severely malnourished children, aged 4 to 43 months; group II consisted of 10 children, aged 3 to 25 months, who were studied after nutritional rehabilitation. The biologic half-life of(More)
BACKGROUND Because of their rarity, outcomes regarding spinal atypical meningiomas (AMs) remain unclear. OBJECTIVE To describe the recurrence rate and postoperative outcomes after resection of spinal AMs, and to discuss an appropriate resection strategy and adjuvant therapy for spinal AMs. METHODS Data from all patients who presented with spinal AMs to(More)
BACKGROUND Giant cell tumors are benign tumors of the bone that most commonly occur at the ends of the long bones; they are rarely found in the spine above the sacrum. The management of patients with giant cell tumors of the spine represents a challenge, and the clinical approach to this problem continues to evolve with improvements in surgical and(More)
The authors describe a patient with right-sided central pain resulting from a left parietal arteriovenous malformation (AVM). The AVM was treated with staged embolization and stereotactic radiosurgery, and its obliteration was documented on follow-up angiographic studies. Surprisingly, the patient noted complete resolution of her pain syndrome after(More)
OBJECTIVE Synovial cysts are a rare cause of lumbar radiculopathy and back pain. Surgical treatment is directed at complete excision of the cyst. We used minimally invasive surgical techniques for a series of patients, to assess the effectiveness of this approach for resection of synovial cysts. METHODS Seventeen patients (10 female and 7 male patients)(More)
OBJECTIVE Intraoperative magnetic resonance imaging (ioMRI) provides immediate feedback and quality assurance enabling the neurosurgeon to improve the quality of a range of neurosurgical procedures. Implementation of ioMRI is a complex and costly process. We describe our preliminary 16 months experience with the integration of an IMRIS movable ceiling(More)
BACKGROUND Hydrogen peroxide (HP) is routinely used during neurosurgical procedures to augment hemostasis after intracranial tissue resection. Elsewhere in the body, HP is used to kill resection margin tumor cells; in vitro studies support these clinical uses. The effects of HP on brain and brain tumors have not been evaluated. In this study, the in vitro(More)
The aim of this study was the quantitative assessment of the time course and spatial distribution in brain of invading glioblastoma (GBM) cells using a recently described model consisting of RT2 rat GBM cells stably transfected with enhanced green fluorescent protein (eGFP) - called RT2-eGFP - and implanted in Fischer rats. Invasion throughout the brain was(More)