Results 141 to 150 of about 984 (179)

Atypical Central Neurocytoma: An Investigation of Prognostic Factors

World Neurosurgery, 2021
Central neurocytoma is a rare nervous tissue benign neoplasm. A subset of central neurocytoma has unfamiliar aggressive tendency: so-called atypical central neurocytoma (ACN). This retrospective study aims to analyze the prognostic factors and the impact of various therapy tools on atypical central neurocytoma.Twenty-two patients diagnosed with ACN ...
Mohamed, AbdelBari Mattar, Abdelhadi M, Shebl, Eman A, Toson   +2 more
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Tetraventricular Atypical Central Neurocytoma

World Neurosurgery, 2019
Central neurocytomas are benign tumors accounting for
Vikas Singh, Ashwin Borkar, Aliasgar Moiyadi, Prakash Shetty   +3 more
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Progression of atypical extraventricular neurocytoma to anaplastic ganglioglioma

Human Pathology, 2017
We report a childhood case of thalamic atypical extraventricular neurocytoma that progressed to highly anaplastic ganglioglioma after 8 years of dormancy after subtotal resection and chemotherapy. The neurocytoma displayed immunoreactivity only for synaptophysin, β-catenin, S100, and CD56.
Daniel Rusiecki, Boleslaw Lach, Branavan Manoranjan, Adam Fleming, Olufemi Ajani, Sheila K. Singh   +5 more
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Atypical central neurocytoma with metastatic craniospinal dissemination: a case report

Clinical Imaging, 2016
Central neurocytomas comprise nearly half of adult intraventricular neoplasms. The median age of onset is 34 years. It is typically a low-grade neoplasm (World Health Organization grade II), although some cases of malignant neurocytomas have been described.
Megha, Nayyar, Mary Catherine, Mayo, Mark, Shiroishi, Deborah, Commins, Charles Y, Liu, John L, Go, Paul E, Kim, Chi-Shing, Zee, Meng, Law, Alexander, Lerner   +9 more
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Atypical neurocytoma of the spinal cord in a young child

Child's Nervous System, 2006
Extraventricular neurocytoma is a well-established entity, and non-classical sites like the cerebellum and spinal cord have occasionally been reported.We report a rare case of intramedullary neurocytoma in an 8-year-old boy who presented with paraparesis and urinary incontinence.
Avninder, Singh, Karam, Chand, Hukum, Singh, Chitra, Sarkar, Mehar C, Sharma   +4 more
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Atypical central neurocytoma of fourth ventricle with hemorrhagic complication during surgery in a child

Clinical Neurology and Neurosurgery, 2012
Central neurocytomas (CN) comprise only 0.25–0.5% of brain umors. They mainly located in lateral ventricles. CN generally ccur in young adults with a favorable prognosis and benign bioogic behavior. Primary occurrence of CN in fourth ventricle has een reported very rarely. Only 5 case reports are available in the iterature [1–5] (Table 1).
Deepali, Jain, Subimal, Roy, Sandeep, Chopra   +2 more
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Pediatric atypical extraventricular neurocytoma: Clinical features and survival outcomes

Child's Nervous System, 2023
Extraventricular neurocytoma (EVN) in children is an extremely rare encountered tumor. Little information is available about the treatment and prognosis of this rare disease in children. This study was undertaken to elucidate the clinical-radiological characteristics and treatment outcomes of pediatric patients with atypical EVN.A retrospective review ...
Liang, Zhang, Sheng, Fang, Angsi, Liu, Xueji, Li   +3 more
openaire   +2 more sources

Pontine Atypical Neurocytoma: Case Report

Neurosurgery, 2006
Abstract OBJECTIVE AND IMPORTANCE: Neurocytomas are typically located within the supratentorial ventricular system. Extraventricular neurocytomas are very rare, and this is only the second reported case of a pontine neurocytoma.
Bradley M, Swinson, William A, Friedman, Anthony T, Yachnis   +2 more
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Two cases of atypical central neurocytomas

Brain Tumor Pathology, 2002
Central neurocytomas (CNs) are usually considered benign; however, some subsets of these tumors with histologic atypia and elevated proliferation potential have been reported to have a poor outcome. It has been proposed that those CNs exhibiting a MIB-1 labeling index (LI) greater than 2% and/or vascular proliferation be defined as atypical central ...
Hideo, Kuchiki, Takamasa, Kayama, Kaori, Sakurada, Makoto, Saino, Keita, Kawakami, Shinya, Sato   +5 more
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Atypical and Rare Variants of Central Neurocytomas

Neurosurgery Clinics of North America, 2015
This article reviews the variation in imaging, histopathology, clinical course, and management seen with central neurocytomas (CNs). CNs have often been misdiagnosed as oligodendrogliomas and ependymomas; however, synaptophysin positivity can correctly diagnose these neurocytic neoplasms.
Omar, Choudhri, Seyed-Mostafa, Razavi, Hannes, Vogel, Gordon, Li   +3 more
openaire   +2 more sources