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INTRODUCTION Traumatic brain injury is highly associated with the over-production of reactive oxygen species. The aim of this study was to investigate the putative neuroprotective effect of montelukast, a cysteinyl-leukotriene receptor antagonist, in a rat model of traumatic brain injury (TBI). METHODS Sprague Dawley rats were subjected to TBI with a(More)
The aim of this retrospective study was to investigate the diagnostic yield and accuracy of stereotactic biopsy in patients harboring brain mass. Stereotactic biopsy was performed in 130 patients between 1995 and 2000 in an educational and research hospital in Turkey. The results of histological analysis were compared to the resected specimens in 23(More)
OBJECTIVE The overproduction of reactive oxygen species and resultant damage to cellular proteins or lipids of cell membranes and DNA by free radicals are the underlying mechanisms of many neuropathologies. Cyclooxygenase-2 (COX-2) inhibitors have been suggested to be neuroprotective by reducing prostanoid and free radical synthesis, or by directing(More)
Cerebellar liponeurocytoma that has been recently identified as a distinct entity by the World Health Organization is characterized by areas of lipomatous differentiation and apparently by a favorable prognosis. In this paper, we described a case of 49-year-old female showing progressive clinical course inspite of a low labeling/mitotic index. We also(More)
BACKGROUND Nosocomial meningitis is a rare complication following neurosurgical procedures and is associated with high morbidity and mortality. AIM The aim of this study was to describe the clinical characteristics and the risk factors associated with mortality in patients who developed nosocomial meningitis following neurosurgical operations. SETTING(More)
Schwannomatosis is a rare tumour syndrome characterized by more than one schwannoma without any sign of neurofibromatosis (NF). A 22-year-old male patient was admitted with weakness in his extremities. Neurological examination revealed a tetraparesis syndrome below the C6 level. Magnetic resonance (MR) imaging showed a demarcated mass with strong(More)
Cerebral vasospasm influences morbidity and mortality following subarachnoid haemorrhage (SAH). Inflammation is believed to play a role in post-haemorrhagic vasospasm. Meloxicam is a non-steroidal anti-inflammatory drug. We investigated the effect of meloxicam on a rat femoral artery vasospasm model using the radial wall thickness and cross-sectional lumen(More)
Brain abscesses are well-known lesions that have been reported from the beginning of the Hippocratic era. They continue, however, to be characterized by problematic and fatal features, even though there have been enormous developments in treatment and diagnostic technologies-especially in the areas of computed tomography (CT), surgery, anesthesia, bacterial(More)
Pseudoaneurysms of the superficial temporal artery are mostly traumatic in origin. Here, a case of a superficial temporal artery aneurysm that emerged following a recraniotomy is presented. A 59-year-old woman was admitted with subarachnoid hemorrhage. She underwent a pterional craniotomy and clipping of a saccular aneurysm of middle cerebral artery(More)
Solitary fibrous tumours (SFT) were first described by Klemperer and Rabin in 1931. They are quite rare in the central nervous system and some histopathological or radiological similarities to meningiomas and haemangiopericytomas can lead to misdiagnoses as these tumours enhance homogeneously in postcontrast images, and even dural tail sign can be(More)