نتایج جستجو برای: pediatric spinal tumors

تعداد نتایج: 400787  

Journal: :Medical research archives 2023

Background: Spinal cord tumors represent 2-4% of all CNS tumors. Ependymomas are the most frequent lesions spinal cord1. Gross total resection remains gold standard2. Method: We describe mini-invasive surgical technique using a fixed tubular retractor performed for an ependymoma filum terminale, along with its advantages and limits. Conclusion: This has shown to be safe effective terminale epen...

Journal: :Romanian Neurosurgery 2023

Aim: Reporting a rare case of mature cystic teratoma spinal cord in an adult
 Background: Teratomas the central nervous system are lesions accounting for less than 0.5-2% all CNS tumors. Most these found pediatric age group and favor sellar - suprasellar, pineal sacro-coccygeal regions. Their occurrence adult is incredibly rare.
 Case presentation: A 22-year-old male presented with lo...

Journal: :the journal of tehran university heart center 0
mohammad yusef aarabi moghadam shaheed rajaei cardiovascular medical and research center, tehran university of medical sciences, te maryam moradian shaheed rajaei cardiovascular medical and research center, tehran university of medical sciences, te nader givtaj shaheed rajaei cardiovascular medical and research center, tehran university of medical sciences, te kambiz mozaffari shaheed rajaei cardiovascular medical and research center, tehran university of medical sciences, te

primary cardiac tumors are quite rare, especially in the pediatric age group, and their atypical presentations often prevent a timely diagnosis. most primary cardiac tumors in the pediatric age group are benign. fibromas are generally reported as the second most common primary cardiac tumors in the pediatric age group. these neoplasms are often intramural and involve the left ventricular free w...

2014
Kirti Gupta Wilda Orisme Julie H Harreld Ibrahim Qaddoumi James D Dalton Chandanamali Punchihewa Racquel Collins-Underwood Thomas Robertson Ruth G Tatevossian David W Ellison

BACKGROUND Gangliogliomas are low-grade glioneuronal tumors of the central nervous system and the commonest cause of chronic intractable epilepsy. Most gangliogliomas (>70%) arise in the temporal lobe, and infratentorial tumors account for less than 10%. Posterior fossa gangliogliomas can have the features of a classic supratentorial tumor or a pilocytic astrocytoma with focal gangliocytic diff...

Journal: :medical journal of islamic republic of iran 0
mohammad r. ardehali from the department of neurological surgery, nemazee hospital, shiraz university of medical sciences. shiraz. islamic republic of lran.

this presentation analyses the histological types, relative incidences, age, sex and anatomical distributions of one hundred and seventy-nine biopsy proven tumors of the spinal canal from a general hospital in iran. particular attention is paid to differences in the relative incidence of these tumors compared with that in various published reports and the statistics from several eastern countri...

Journal: :Handbook of clinical neurology 2016
Christian Dorfer Joerg Tonn James T Rutka

Ependymomas are tumors that typically occur with an age-based site preference, with adults harboring supratentorial and spinal tumors and pediatric tumors being mainly in the posterior fossa. Despite their similar histologic appearance, the prognosis varies significantly by age and tumor location, with a better prognosis in increasing age. The mainstay of treatment remains surgical excision wit...

2016
Nanzhe Zhong Wei Xu Tong Meng Xinghai Yang Wangjun Yan Jianru Xiao

BACKGROUND Various therapeutic approaches have been proposed for the treatment of pediatric patients with eosinophilic granuloma (EG) of the cervical spine. Our aim was to discuss and present our experience with the individualized surgical intervention of pediatric cervical EG complicated with neurologic deficits and/or spinal instability. METHODS We retrospectively analyzed the clinical data...

Journal: :Neuro-oncology 2023

Abstract Histone 3 lysine27-to-methionine mutations (H3-K27M) frequently occur in childhood diffuse midline gliomas (DMGs) of the pons, thalamus, and spinal cord, presumed to be driven by specific spatiotemporal context these locations during postnatal development. While most common pons at mid-childhood ages, same oncohistone mutation is recurrently detected adult DMGs throughout different reg...

2010
Martin Benesch Daniela Sperl André O. von Bueren Irene Schmid Katja von Hoff Monika Warmuth-Metz Rudolf Ferrari Lisa Lassay Rolf-Dieter Kortmann Torsten Pietsch Stefan Rutkowski

Approximately 30–50% of patients with intracranial primitive neuroectodermal tumors (PNETs) of the central nervous system (CNS) develop spinal metastases. In contrast, primary spinal CNS-PNETs are extremely uncommon. The database and study records of the German/ Austrian brain tumor trials HIT 91, HIT SKK 92, and HIT 2000 were retrospectively reviewed to describe clinical features, treatment mo...

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