نتایج جستجو برای: ependymoma
تعداد نتایج: 1663 فیلتر نتایج به سال:
Glioneuronal tumors with neuropil-like islands (GTNIs) are a basically infiltrating astrocytoma or mixed oligoastrocytoma, containing large neuropil-like islands (NIs). Recently, we experienced a peculiar case of supratentorial ependymoma with NIs. A 29-month-old girl presented with seizure and a brain magnetic resonance image revealed a huge heterogeneous mass in the left lateral ventricle. Hi...
Despite the histological similarity of ependymomas from throughout the neuroaxis, the disease likely comprises multiple independent entities, each with a distinct molecular pathogenesis. Transcriptional profiling of two large independent cohorts of ependymoma reveals the existence of two demographically, transcriptionally, genetically, and clinically distinct groups of posterior fossa (PF) epen...
Posterior fossa ependymoma comprises two distinct molecular entities, ependymoma_posterior fossa A (EPN_PFA) and ependymoma_posterior fossa B (EPN_PFB), with differentiable gene expression profiles. As yet, the response of the two entities to treatment is unclear. To determine the relationship between the two molecular subgroups of posterior fossa ependymoma and treatment, we studied a cohort o...
Ependymoma usually arises within the ventricles and central canal of the spinal cord. These tumors, found in the sellar region, are extremely rare. We report a case of pituitary ependymoma followed up over 10 years. A 59-year-old male patient presented with fatigue, general weakness, erectile dysfunction, and loss of body hair, including pubic hair. Brain magnetic resonance imaging (MRI) reveal...
UNLABELLED Subcutaneous sacrococcygeal myxopapillary ependymoma is extremely rare tumor that has a tendency to develop in children and adolescents. There have been several case reports and sporadic reports in the literature. However, no case has been reported in an Asian patient, to the best of our knowledge. We describe a 25-year-old Asian female patient with a subcutaneous sacrococcygeal myxo...
Spinal tumors are rare; intramedullary tumors are uncommon among these lesions, and occur in only 10% of cases in adults. Ependymoma is the most frequent histological type (40-60%). We report the case of a 22-year-old girl, presenting with local back pain, ascendant paresthesia, a progressive flask paraparesis, and a vesical globe. The clinical examination concluded in a mild motor weakness wit...
Abstract Background Ependymoma is a rare adult tumor that originates from ependymal cells of the ventricles and spinal cord. The diagnosis management can be very challenging. This study aims to bring out hypothalamus as an atypical location ependymoma underline consequences treatment delay in anaplastic ependymomas through concrete case. Case presentation We present case 20 years with no previo...
Ependymomas constitute 4-6% of primary central nervous system tumors. Spinal ependymomas are most frequently found in intramedullary region but few cases of intradural extramedullary ependymoma have also been reported. We report a 24-year-old male patient with a suspected case of intradural extramedullary ependymoma. Magnetic resonance images of the lumbar spine depicted an intradural mass from...
Myxopapillary ependymoma in childhood typically occurs in the central nervous system. There are few surgical cases of myxopapillary ependymoma of the cauda equina in children. We report a case of myxopapillary ependymoma of the cauda equina in a 5-year-old boy, who presented with leg pain and abnormal gait. Subtotal resection surgery was performed. Following the subtotal tumor resection, follow...
Intramedullary tumors affecting the entire cord from the cervicomedullary junction to the conus are termed "holocord tumors". Ependymomas are the most frequent intramedullary tumor in adults. Holocord ependymoma is an exceedingly rare condition. An extensive review of the literature revealed that only five other cases have been reported. We report the sixth case of holocord ependymoma. In this ...
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