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A 26-year-old man who had neurofibromatosis type-2 with symptoms of unexplained optic disc edema is reported. Magnetic resonance imaging (MRI) revealed bilateral acoustic schwannomas. Obstructive hydrocephalus, however, was not evident in spite of his severe disc edema and visual loss. After partial
Symptomatic peritumoral edema (PTE) is a known complication following radiosurgical treatment of meningiomas. While the edema in most patients can be successfully managed conservatively with corticosteroid therapy or bevacizumab, some medically refractory cases may require surgical Objective: Intracranial meningiomas occur in about half of neurofibromatosis type 2 (NF2) patients and are very frequently multiple. Thus, estimating individual meningiomas' growth rates is of great interest to tailor therapeutic interventions. The Asan
Neurofibromatosis type 2 (NF2) is a debilitating genetic condition with potential development of multiple meningiomas. We report our experience treating a series of NF2-associated intracranial meningiomas with Gamma Knife radiosurgery (GKRS). Between 1992 and 2013, 15 consecutive patients (age 20-54
OBJECTIVE People with neurofibromatosis Type 2 (NF2) have a genetic predisposition to nervous system tumors. NF2-associated schwannomas stabilize or decrease in size in over half of the patients while they are receiving bevacizumab. NF2 patients treated with bevacizumab for rapidly growing
Decision-making criteria for optimal management of meningiomas in neurofibromatosis type 2 (NF2) patients is hampered by lack of robust data, particularly long-term natural history. Seventy-four NF2 patients harboring 287 cranial meningiomas followed up for a mean period of 110.2 months were studied
BACKGROUND
Resection of a vestibular schwannoma may result in facial paralysis and hearing loss on the side of the tumor. We evaluated clinical, audiologic, and intraoperative events and radiologic parameters in a case of contralateral side sensorineural hearing loss. We also performed a literature
CyberKnife stereotactic radiosurgery (CKSRS) has been proved effective in treating intra-cranial lesions. To treat acoustic neuroma (AN) patients with or without neurofibromatosis Type 2 (NF2) associations, the functional preservation of hearing, trigeminal nerve, and facial nerve are important.
OBJECTIVE
Early studies suggest that bevacizumab treatment can result in tumor shrinkage and hearing improvement for some patients with neurofibromatosis type 2 (NF2). The aim of this study was to report extended follow-up in a larger cohort of similarly treated patients.
METHODS
Retrospective
Meningiomas, which originate from arachnoid cells, represent one of the largest subgroups of intracranial tumors. They are generally benign, but can progress to malignancy. The aim of our study was to determine the expression of 4 genes, c-Myc, neurofibromatosis Type 2 (NF2), somatostatin receptor
BACKGROUND
Patients with neurofibromatosis type 2 (NF2) develop bilateral cochleovestibular schwannomas (CVSs) that cause binaural deafness in most individuals. Hearing loss occurs in an unpredictable manner and the underlying mechanisms are not known. To gain insight into the pathophysiologic basis
OBJECTIVE
The aim of this study is to evaluate our surgical experience with intracranial meningiomas in NF2 patients and provide knowledge of the natural history of these lesions.
METHODS
We included in the natural growth study patients with the diagnosis of NF2 who harbored intracranial meningiomas
The authors describe two patients in whom tumor swelling and brain swelling (and possible tumor swelling), respectively, developed after undergoing gamma knife surgery. One had a skull defect with a palpable parasagittal tumor. One had neurofibromatosis Type 2 with multiple tumors, one of which was
BACKGROUND
We report the magnetic resonance imaging (MRI) findings in a case of neurosyphilis revealed by the involvement of two cranial nerves.
METHODS
A 41-year-old man developed a right cochleovestibular and left trigeminal neuropathy, associated with high serum titers of VDRL and TPHA, high
Atrial fibrillation (A-fib) is the most common cardiac arrhythmia which is associated with an increased risk of mortality secondary to stroke and coronary artery disease. Intravenous glucocorticoid therapy (such as dexamethasone and hydrocortisone) is frequently used peri-operatively in patients