Publications by authors named "Tekkok I"

Background And Objectives: Only few reports in literature have pointed out to the possibility of a cranial subdural haematoma formation associated with dural puncture during spinal orepidural analgesia. We herein describe such a rare case who was diagnosed to have acute subdural haematoma after combined spinal-epidural anaesthesia used in labour.

Case Report: A 34-year-old, primigravid women with a gestation of 38 weeks underwent cae-sarean section under combined spinal-epidural anaesthesia and gave birth to a healthy boy.

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The prophylactic use of phenytoin during and after brain surgery and cranial irradiation is a common measure in brain tumor therapy. Phenytoin has been associated with variety of adverse skin reactions including urticaria, erythroderma, erythema multiforme (EM), Stevens-Johnson syndrome, and toxic epidermal necrolysis. EM associated with phenytoin and cranial radiation therapy (EMPACT) is a rare specific entity among patients with brain tumors receiving radiation therapy while on prophylactic anti-convulsive therapy.

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Background And Objectives: Only few reports in literature have pointed out to the possibility of a cranial subdural haematoma formation associated with dural puncture during spinal or epidural analgesia. We herein describe such a rare case who was diagnosed to have acute subdural haematoma after combined spinal-epidural anaesthesia used in labour.

Case Report: A 34-year-old, primigravid women with a gestation of 38 weeks underwent caesarean section under combined spinal-epidural anaesthesia and gave birth to a healthy boy.

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The extent of the slice thickness in spinal axial and sagittal magnetic resonance imaging (MRI) is limited. We therefore, propose the idea of using coronal MRI to better delineate lumbar far lateral disc herniations. Six patients with coronal MR images who underwent surgery are presented in this study.

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Aim: Plasma cell tumours include solitary plasmocytoma, multiple plasmocytoma and multiple myeloma. Herein we report a case of plasmocytoma of the skull.

Case History: A 49 year-old-man suffered from amnesia, irritability and a rubbery swelling which was gradually increased approximately to 4-5 cm in diameter at the frontal vertex over a year.

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A 66-year-old man presented with mild amnesia, progressive fatigue, ataxia, visual hallucinations, and debility. His past medical history included right-sided carotid endarterectomy performed elsewhere 6 years previously. Cranial magnetic resonance imaging showed left parieto-occipital arteriovenous malformation-like tortous vessels, venous congestion, and ischemic areas.

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Background: Chordoid meningioma is a very rare subtype of meningioma with less than 90 cases reported in the literature. Meningiomas related with a pregnancy are also very rare. Herein, we present a pregnancy-associated case of a chordoid meningioma and briefly discuss possible mechanisms.

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Dural sinus thrombosis after closed head injury is seen very rarely and its pathophysiological mechanisms are not yet understood. An 18-year-old man who had been crushed in an automobile had closed head injury with Glasgow Coma Score 4. Computerized tomography showed diffuse cerebral edema and right occipital linear fracture extending to the internal jugular foramen.

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Objective: We herein describe a case with an extraspinal mass distorting the right L4 dorsal root ganglion. Initially presumed to be a nerve root schwannoma, the lesion turned out to be a free disc fragment.

Methods And Results: A 46-year-old woman presented with a history of mild low back and intense right leg pain.

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This article presents the case of a bilateral chronic subdural hematoma which was contaminated with Klebsiella pneumoniae and resulted in a life-threatening central nervous system infection. After repeated of bilateral burr-hole drainage, the patient became hyperpyrexic and drowsy. Suppuration within the subdural space was suspected and then the patient underwent bilateral fronto-temporo-parietal craniotomies, and pus was evacuated.

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We herein describe the case of a focal spontaneous spinal epidural abscess who was initially diagnosed to have a free fragment of a lumbar disc. A 71-year-old woman presented with history of low back and right leg pain. Magnetic resonance imaging suggested a peripherally enhancing free fragment extending down from S1 nerve root axilla.

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Objective: Blister-like aneurysms are small hemispherical bulges that usually originate from the anteromedial wall of the distal internal carotid artery and cause significant subarachnoid hemorrhage. It is very important to recognize this novel lesion as a different type of aneurysm than ordinary berry aneurysms.

Case Description: We report the case of a 43-year-old man who underwent a diagnostic procedure and was awaiting surgery elsewhere before being transferred to our institution.

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Objectives: Intracranial metastasis of ovarian tumours is rarely seen with an incidence 0.1- 5% but simultaneous diagnosis of primary undifferentiated carcinoma of the ovary and its CNS metastasis has not been published previously.

Material And Methods: A 56-year-old woman presented with headache and visual disturbance.

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Background: The association of Charcot-Marie-Tooth (CMT) disease and trigeminal neuralgia (TN) is rare. CMT and bilateral TN is even rarer. Our literature review has revealed only 4 previous cases with CMT and bilateral TN.

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Intramedullary epidermoid cysts.

J Neurosurg Spine

February 2008

Intramedullary inclusion cysts are extremely rare within the rostral spinal cord. In this case report the authors outline the clinical features and surgical treatment of one dermoid cyst and one epidermoid cyst of the cervicothoracic junction. The authors also include a relevant literature discussion regarding the treatment and the embryological origin of these lesions.

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Background: Jugular foramen (JF) tumours are uncommon with paraganglioma, schwannoma and meningioma occurring most commonly in this location. JF schwannoma with extension to the retro-tympanic area has been described only once.

Methods: 20-year-old man presented with headache, blurred vision, vomiting and diplopia.

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We report a 24-year-old woman with an intramedullary conus ependymoma associated with holocord syringohydromyelia and syringobulbia. The tumor was removed and surgery for decompression of the syringohydromyelia was not considered at the first operation. In the follow-up examinations, MRI showed significant and steady improvement of syringohydromyelia.

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Dorsal root ganglia are oval enlargements on the dorsal nerve roots and contain the cell bodies of sensory neurons. Asymmetry of dorsal root ganglia may occur naturally, yet natural occurrence of gigantic dorsal root ganglion (DRG) is rare. The patient was 61-year-old woman who presented with atypical symptoms like neuropathic pain and urinary distention.

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