نتایج جستجو برای: clear cell ependymoma

تعداد نتایج: 1844055  

Journal: :Neurosurgery 2013
Tomoo Inoue Toshiki Endo Kenichi Nagamatsu Mika Watanabe Teiji Tominaga

BACKGROUND Resection guided by 5-aminolevulinic acid (5-ALA) fluorescence has proved to be useful in intracranial glioma surgery. However, the effects of 5-ALA on spinal cord tumors remain unknown. OBJECTIVE To evaluate the usefulness of 5-ALA fluorescence-guided resection of intramedullary ependymoma for achieving maximum tumor resection. METHODS This study included 10 patients who underwe...

2017
Xiao-Gang Tao Zong-Gang Hou Shu-Yu Hao Jun-Ting Zhang Bai-Yun Liu

IntroductIon Tanycytic ependymoma is a rare subtype of the World Health Organization Grade II ependymoma most commonly found in the cervical and thoracic segments of the spinal cord. Spinal tumors in neurofibromatosis type 2 (NF‐2) can be intramedullary, extramedullary, or associated with the nerve roots, and there may be multiple tumors at multiple locations in the spine. The histology of thes...

Journal: :The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques 1995
O Vernet J P Farmer K Meagher-Villemure J L Montes

BACKGROUND Ependymomas usually arise from the ventricular surface. METHODS We report an 11-year-old female who presented with a supratentorial ectopic ependymoma. RESULTS The patient presented with a two-month-history of progressive headache, nausea and vomiting. Examination revealed papilledema, horizontal nystagmus, diplopia on upward gaze, and right pronator drift. CT scan showed an enha...

Journal: :Radiologia 2012
M I Martínez León M Vidal Denis B Weil Lara

OBJECTIVE To show the main findings for anaplastic ependymoma on MRI. MATERIAL AND METHODS We reviewed all patients diagnosed with anaplastic ependymoma at our tertiary hospital during a six-year period. We recorded the MRI findings for this type of tumor (on conventional sequences following the protocol for the study of CNS tumors, diffusion-weighted imaging, contrast-enhanced sequences, and...

Journal: :Turkish Neurosurgery 2010

Journal: :RadioGraphics 2005

Journal: :IAES International Journal of Artificial Intelligence 2022

Glioma as one of the most common types brain tumor in world has three different classes based on its cell types. They are astrocytoma, ependymoma, oligodendroglioma, each characteristics depending location and malignance level. Radiological examination by medical personnel is still carried out manually using magnetic resonance imaging (MRI) imaging. Brain structure, size, various forms tumors i...

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