Neurologia i neurochirurgia polska · 2015
Management of spinal tumors in neurofibromatosis type 2 patients.
СтатьяНазвание и аннотация: Перевод в очереди
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Nowak Arkadiusz, Dziedzic Tomasz, Czernicki Tomasz, Kunert Przemysław, Marchel Andrzej
Аннотация
OBJECTIVE: We sought to determine clinical characteristics of NF2 patients with spinal lesions and to define when and like the spinal tumors are a major problem in the treatment of patients with NF2.
METHODS: The authors retrospectively reviewed the clinical records, neuroimaging studies, and follow-up data of the 34 patients with neurofibromatosis type 2, who were treated at our institution between 1998 and 2014. 23 patients harbored one or multiple spinal tumors.
RESULTS: Patients with spinal tumors had a lower age at first symptoms of the disease, a higher number of intracranial meningiomas and non-vestibular schwannomas. 11 patients had one or more intramedullary tumors with MRI characteristics of spinal ependymomas. 22 patients had intradural extramedullary tumors. 7 patients presented with symptomatic spinal tumors on admission or developed symptoms during the follow-up. Only two intramedullary and four extramedullary tumors demonstrated growth in the mean radiological follow-up period of over 6 years. It was found that symptomatic both intra- and extramedullary tumors were associated with younger age at the onset of NF2-related symptoms. 2 patients with intramedullary tumors and 12 patients with extramedullary tumors underwent their tumors resection. In case of symptomatic tumors partial recovery was observed in two patients.
CONCLUSION: It seems that close surveillance with MR imaging is a reasonable option for asymptomatic spinal tumors. Nevertheless, intramedullary tumor removal in non-growing and asymptomatic cases may be an option when ABI implantation is considered. Symptomatic tumors and those of documented growth should be eligible for surgical intervention.
METHODS: The authors retrospectively reviewed the clinical records, neuroimaging studies, and follow-up data of the 34 patients with neurofibromatosis type 2, who were treated at our institution between 1998 and 2014. 23 patients harbored one or multiple spinal tumors.
RESULTS: Patients with spinal tumors had a lower age at first symptoms of the disease, a higher number of intracranial meningiomas and non-vestibular schwannomas. 11 patients had one or more intramedullary tumors with MRI characteristics of spinal ependymomas. 22 patients had intradural extramedullary tumors. 7 patients presented with symptomatic spinal tumors on admission or developed symptoms during the follow-up. Only two intramedullary and four extramedullary tumors demonstrated growth in the mean radiological follow-up period of over 6 years. It was found that symptomatic both intra- and extramedullary tumors were associated with younger age at the onset of NF2-related symptoms. 2 patients with intramedullary tumors and 12 patients with extramedullary tumors underwent their tumors resection. In case of symptomatic tumors partial recovery was observed in two patients.
CONCLUSION: It seems that close surveillance with MR imaging is a reasonable option for asymptomatic spinal tumors. Nevertheless, intramedullary tumor removal in non-growing and asymptomatic cases may be an option when ABI implantation is considered. Symptomatic tumors and those of documented growth should be eligible for surgical intervention.