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OBJECT In this report, the authors describe their experience with surgical access to the cavernous sinus via a fully transnasal endoscopic approach in 20 cases. Clinical and endocrinological follow-up are discussed. METHODS The authors used an endoscopic transsphenoidal approach in 192 patients with pituitary adenomas between September 1997 and January(More)
OBJECTIVES The present study was undertaken to determine the risk of strabismus and ambylopia in children who underwent operation for hydrocephalus and to compare our results with those in previous studies. METHODS Full orthoptic and ophthalmological examinations, including cycloplegic refraction, were performed in all subjects. RESULTS Ten of 25(More)
In this study, the predictive roles of matrix metalloproteinase (MMP)-9 and tissue inhibitor of matrix metalloproteinase (TIMP)-1 and 2 in invasive and noninvasive prolactinomas were examined. Prognostic biomarkers to distinguish between invasive and noninvasive pituitary adenomas are required for the effective treatment of pituitary adenoma patients. We(More)
STUDY DESIGN A Case report. OBJECTIVE To report an exceedingly rare case of dysphagia caused by abnormal bony protuberance of anterior atlas. SETTING Kocaeli University Faculty of Medicine, Departments of Neurosurgery and Otorhinolaryngology. METHOD Radiological examinations revealed a large anterior abnormal bony tuberance of atlas in an 11-year-old(More)
The endoscopic transsphenoidal approach has been reported in the literature as a useful tool to treat sellar and parasellar lesions. The endoscope permits a panoramic view instead of the narrow microscopic view, and it allows the inspection and removal of the lesions of sellar, parasellar, and suprasellar compartments by angled-lens endoscopes. On the basis(More)
BACKGROUND The purpose of the present study was to observe Liliequist's membrane (LM) and membranous structures located in the prepontine cistern via 3-Tesla magnetic resonance imaging (MRI) with 3D driven equilibrium radio frequency reset pulse (DRIVE) sequence and multiplanar reformat (MPR) images and to evaluate the success of endoscopic third(More)
BACKGROUND Liliequist's membrane is mostly described as having a diencephalic leaf, mesencephalic leaf, and diencephalic-mesencephalic leaves in the literature. Also different descriptions of the prepontine membranes were reported. In this study, we visualized the regular structural forms of membranes without disturbing any attachments and defined(More)
We have evaluated the influence of fluorescein-guided resection on gross total resection (GTR) and survival in a series of patients with GBM. Group 1 consisted of 47 patients given fluorescein and group 2 comprised 33 patients, on whom fluorescein was not used. Median survival time was 43.9 weeks in the patients given fluorescein and was 41.8 weeks in the(More)
Current literature reveals different opinions about the effectiveness of endoscopic third ventriculostomy in the treatment of hydrocephalus in children less than 2 years of age. Performing a retrospective evaluation of our own experience in this age group, we aimed to contribute to the growing data on the controversial issues related to this procedure in(More)