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Forty patients with Parkinson's disease without mental deterioration who were scheduled for ventroposterolateral (VPL) pallidotomy were randomly selected for retrospective stereotactic magnetic resonance image (MRI) analysis. The preoperative MRI study was performed on a 1.0-T MRI machine with a three-dimensional gradient-echo sequence. The MRI analysis was(More)
The aim of this paper was to offer for the first time a selective and systematic description of the "Zabreb Neuroembryological Collection" of human brains and to illustrate the major results of our research team. Throughout these 16 years of continuous and systematic research, we have applied different techniques for demonstrating the cytoarchitectonics(More)
The effect of cerebrospinal fluid (CSF) osmolarity on the CSF volume has been studied on different CSF/brain tissue contact areas. It has been shown, on anesthetized cats under normal CSF pressure, that the perfusion of CSF system (12.96 μl/min) by hyperosmolar CSF (400 mOsml/l) leads to significantly higher outflow volume (μl/min) during(More)
A 42-year-old female had a long history of partial complex seizures dating from the age of 13. She was treated with the following anti-epileptic drugs (AEDs): primidone and phenytoin. In 2003, she had stopped AED treatments voluntarily due to ineffective medical therapy, and shortly after she was admitted again because of convulsive epileptic status. By(More)
OBJECTIVES To study the effect of blood osmolarity on cerebrospinal fluid (CSF) volume and CSF pressure in cats. METHODS Three types of methods were used on anesthetized cats. The first, ventriculo-cisternal perfusion (12.96 μL/min) before and after i.v. application of 20% mannitol; the second, measuring the outflow of CSF by cisternal free drainage; and(More)
The cerebrospinal fluid (CSF) formation rate (Vf) has been extensively studied by the ventriculocisternal perfusion, a method still regarded as the most precise one. This method as well as the equation for the calculation of the CSF formation rate (Vf) was established by Heisey et al on indicator dilution in perfusate. They assumed that the dilution of the(More)
STUDY DESIGN Case report. OBJECTIVE The nontraumatic cranial epidural hematoma is an extremely rare clinical entity and it commonly occurs in the presence of infectious diseases as complication of sinusitis, coagulopathy, vascular malformation of the dura, hemorrhagic tumor, in patients with sickle cell disease, systemic lupus erythematosus, after open(More)
Today, the complexity and high technical requirements of neurosurgical operations are so demanding that modern robotic achievements and advances of accompanied technologies appear as the immanent means, which can significantly improve neurosurgical practice. A novel robotic system (RONNA – RObotic NeuroNAvigation) for application in neurosurgery is(More)
BACKGROUND Glioblastoma multiforme is a highly malignant primary brain tumor that shows marked local aggressiveness, but extracranial spread is not a common occurrence. We present an unusual case of recurrent glioblastoma in 54-year old male that spread through the scull base to the ethmoid and sphenoid sinuses, to the orbita, pterygomaxillar fossa, and to(More)