Mehmet Reşid Onen

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Kyphoplasty is a minimally invasive procedure that is used to augment vertebral body strength. This technique has been commonly used to treat osteoporotic, vertebral body compression fractures. The technique was also used to augment painful metastatic vertebral fractures. The objective of this study was to review the clinical and radiological results after(More)
Paraganglioma (PG) is a rare tumor of the dispersed neuroendocrine system. PG derives from the embryonic sympathetic and parasympathetic nervous system. Paraganglioma is a neoplasm of the dispersed neuroendocrine system that affects a variety of anatomic sites, mainly the head and neck. It occurs commonly in the carotid body, glomus jugulare, mediastinum(More)
AIM Robotic spine surgery techniques provide reduced pedicle screw malposition and radiation exposure during surgery. The aim of this study is to review clinical and radiological results of robotic spine surgery. MATERIAL AND METHODS The preoperative, intraoperative and postoperative data for 27 patients were reviewed. To reveal the effect of a learning(More)
Von Hippel Lindau (VHL) syndrome is an autosomal dominant disorder characterized by benign and malignant tumors. This study presents the clinical and genetic features of VHL syndrome in a Turkish family. For the diagnosis of pheochromocytoma-related diseases, 49 family members from three generations were evaluated between March 2008 and January 2013. Family(More)
AIm: To investigate the relationship between neuron density of the superior cervical sympathetic ganglia and pupil diameter in subarachnoid hemorrhage. mATERIAl and mEThODS: This study was conducted on 22 rabbits; 5 for the baseline control group, 5 for the SHAM group and 12 for the study group. Pupil diameters were measured via sunlight and ocular(More)
BACKGROUND Autonomous innervations of the lungs are maintained by cervical sympathetic and vagal nerves. Sympathetic overactivity-induced neurogenic pulmonary edema (NPE) is known as a serious complication of subarachnoid hemorrhage, but the rational neuronal mechanism of that overactivity has not yet been clarified fully. The aim of this study was to(More)
OBJECTIVES We evaluated the results of treatment in patients who were treated according to an algorithm established for developmental dysplasia of the hip (DDH) during the first 18 months of life. METHODS We developed an algorithm for DDH to be used in infants at 0 to 18 months of age. Patients who did not respond to, or who did not have the indication(More)
BACKGROUND In patients with cervical spondylotic myelopathy (CSM), laminectomy is usually performed with a Kerrison rongeur or a high speed drill (HSD).The HSD, which is most often selected for laminectomy, may cause complications such as duratomy, thermal and mechanical neural injuries. With an ultrasonic bone scalpel (UBS), a less traumatic laminectomy(More)
AIM The carpal tunnel syndrome (CTS) is the commonest compressive neuropathy. Electromyography (EMG) is accepted as gold standard in diagnosis of CTS. However, pathologies and variations that are associated with a various findings may lead to failure. MATERIAL AND METHODS Magnetic resonance Imaging (MRI) was applied to 69 wrists of 55 patients, who(More)