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Neurocytoma

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https://www.readbyqxmd.com/read/29547156/extra-ventricular-neurocytoma-an-enigmatic-tumor
#1
C Komal Prasad
No abstract text is available yet for this article.
March 2018: Neurology India
https://www.readbyqxmd.com/read/29547155/patterns-of-care-and-survival-outcomes-in-patients-with-an-extraventricular-neurocytoma-an-individual-patient-data-analysis-of-201-cases
#2
REVIEW
Supriya Mallick, Rony Benson, Goura K Rath
Introduction: Extraventricular neurocytoma is a rare neuronal tumor arising outside the ventricles. However, because of its rarity, its optimum treatment remains undefined. Materials and Methods: We intended to perform an individual patient data analysis to examine the patterns of care and prognostic factors involved in the treatment of extraventricular neurocytomas. PubMed, SCOPUS, and Google Scholar were searched with the following MeSH terms: "Neurocytoma, Extra ventricular neurocytoma, Spinal neurocytoma AND treatment, Survival" to find all possible publications pertaining to EVN...
March 2018: Neurology India
https://www.readbyqxmd.com/read/29541463/intramedullary-central-neurocytoma-of-the-thoracic-spinal-cord-a-case-report-and-literature-review
#3
Zhimin Li, Jun Gao, Tianyu Wang, Xiangyi Kong, Jian Guan, Yongning Li
Central neurocytomas (CNs) are rare benign tumors located in the central nervous system with a good prognosis. These tumors are predominantly located in the lateral ventricle near the foramen of Monro or in the third ventricle. Similar tumors that are located outside the ventricle are also called extraventricular neurocytomas, and have an even lower morbidity. Until now, several tumors have been identified in the thalamus, cerebellum, pons, medulla oblongata and spinal cord. In total, 24 cases of neurocytomas located in the spinal cord have been reported in English journals...
April 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29499603/in-reply-to-letter-to-the-editor-regarding-clinical-features-treatment-and-long-term-outcomes-of-central-neurocytoma-20-year-experience-at-a-single-center
#4
Mengmeng Wang, Peizhi Zhou, Xueyou Liu, Shu Jiang
No abstract text is available yet for this article.
March 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29499602/letter-to-the-editor-regarding-clinical-features-treatment-and-long-term-outcomes-of-central-neurocytoma-20-year-experience-at-a-single-center
#5
Yi Wang, XiaoPing Gao, Yue Ge
No abstract text is available yet for this article.
March 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29490065/insm1-expression-is-frequent-in-primary-central-nervous-system-neoplasms-but-not-in-the-adult-brain-parenchyma
#6
Heather M Ames, Lisa M Rooper, John J Laterra, Charles G Eberhart, Fausto J Rodriguez
Tumors with a neuronal component comprise a small percentage of central nervous system (CNS) neoplasms overall, but the presence of neuronal differentiation has important diagnostic, prognostic, and therapeutic implications. Insulinoma-associated protein 1 (INSM1) is a transcription factor with strong nuclear immunostaining in neuroendocrine cells and neoplasms of neuroendocrine origin; however, its expression in the CNS in normal brain and in neoplastic cells has not been fully explored. Here, we present immunostaining results from a large number of archival CNS tissue specimens, including 416 tumors...
February 27, 2018: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29378347/extraventricular-neurocytoma-in-the-left-frontal-lobe-a-case-report-and-literature-review
#7
Fan Chen, Rihua Jin, Xinmin Wu, Zengping Dong, Dawei Chen
BACKGROUND: Neurocytoma is a rare brain neoplasm of neuroepithelial origin that predominantly occurs in the ventricular system adjacent to the interventricular foramen and septum pellucidum. However, extraventricular neurocytoma is an extremely rare entity with poor clinical, radiological, and histopathological characterization. Herein, we report a case of an extraventricular parafalcine neurocytoma in the left frontal lobe. OBJECTIVES: This study will compile and examine reported cases of extraventricular neurocytoma in an attempt to provide an up-to-date summary of the condition...
January 25, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29215136/spontaneous-intracerebral-hemorrhage-as-presentation-of-atypical-central-neurocytoma-the-role-of-angiogenesis-through-the-characterization-of-tumor-endothelial-cells
#8
Giovanni Marfia, Elena Pirola, Stefania Elena Navone, Matteo Beretta, Laura Guarnaccia, Elena Trombetta, Andrea Franzini, Paolo Rampini, Rolando Campanella
A 36-year-old white man presented with sudden-onset headache and rapid deterioration of consciousness. Computer tomography revealed a right capsular intra-parenchimal hemorrhage with an intraventricular component; therefore, emergency surgery was performed. Once the hematoma was evacuated, the cause of the hemorrhage was identified as a tumor mass and it was resected. Histopathological and immunohistochemical examinations of the surgical specimen disclosed a diagnosis of atypical central neurocytoma. By using a protocol recently set up in our laboratory, we succeeded in isolating and propagating, for the first time, human endothelial cells from central neurocytoma (CN-ECs)...
December 7, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/29185377/the-painter-from-sinaloa-artistic-analysis-of-a-case-of-spatial-agnosia-and-neglect-of-visual-shapes
#9
Juan Manuel Orjuela-Rojas, Ana Luisa Sosa-Ortiz, Ana Ruth Díaz-Victoria, Oscar René Marrufo Melendez, Nicolás Leyva Townsend
Paintings produced spontaneously by patients with neurological lesions represent a fascinating opportunity to analyze some aspects of the underlying disease and involved brain mechanisms. Many cases of artists who have suffered spatial neglect following a neurological disease have been reported in the literature. However, only a few studies evaluating the different subtypes of graphic neglect and aspects related to the construction of perspective (three dimensionality) in works of art have been published. In the present article, we present the case of an artist who, after resection of a central neurocytoma that affected the right thalamo-parietal connections, suffered an impairment of the ability to create perspective in his paintings and involuntary omission of only shapes in the left side of his paintings, although colors and contours were preserved...
October 2017: Neurocase
https://www.readbyqxmd.com/read/29065704/diffusion-weighted-mri-combined-with-susceptibility-weighted-mri-added-diagnostic-value-for-four-common-lateral-ventricular-tumors
#10
Yuanlin Yu, Hua Zhang, Zebin Xiao, Dejun She, Zhen Xing, Xiefeng Yang, Dairong Cao
Background Diffusion-weighted imaging (DWI) and susceptibility-weighted imaging (SWI) are reliable imaging modalities for brain tumors. However, the role of DWI and SWI in the diagnosis of common lateral ventricular tumors has not been systematically evaluated. Purpose To evaluate the diagnostic performance of DWI and SWI in common lateral ventricular tumors. Material and Methods Fifty-two patients with histopathologically confirmed lateral ventricular tumors were included in this study (18 with central neurocytomas, nine with ependymomas, seven with high-grade gliomas, and 18 with meningiomas)...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28979624/-central-neurocytomas-clinical-and-radiopathological-correlations-about-12-cases
#11
Fayçal Abbad, Souad Sellami, Fe Hazmiri, Najat El Idriss Ganouni, Said Ait Benali, Mouna Khouchani, Hanane Rais
Central neurocytomas are defined as neoplasms composed of round, uniform cells, with neural immunophenotypic profile and low proliferation index. They account for 0.5% of intracranial tumors. They usually occur near the foramen of Monro and can cause obstructive hydrocephaly. We conducted a retrospective data collection from records of 12 patients with central neurocytomas in the Anatomopathological Laboratory at the Mohammed VI University Hospital, Marrakech, between January 2006 and June 2015. This study aimed to report and describe the radiopathological features of this rare histologic type...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28958923/clinical-features-treatment-and-long-term-outcomes-of-central-neurocytoma-a-20-year-experience-at-a-single-center
#12
Mengmeng Wang, Peizhi Zhou, Shizhen Zhang, Xueyou Liu, Liang Lv, Zeming Wang, Feng Ye, Xiang Wang, Shu Jiang
OBJECTIVE: Central neurocytoma (CN) is a rare central nervous system tumor the optimal management strategy of which remains controversial because of their rarity. Detailed information on CN is necessary to establish optimal management strategies. The purpose of this study was to show the clinical features, treatments, and long-term clinical outcomes of CN. METHODS: A total of 63 patients with CN were surgically treated between 1995 and 2016 at West China Hospital...
January 2018: World Neurosurgery
https://www.readbyqxmd.com/read/28900829/clinical-radiological-pathological-and-prognostic-aspects-of-intraventricular-oligodendroglioma-comparison-with-central-neurocytoma
#13
Xiang Xiao, Jun Zhou, Jun Wang, Lei Yang, Chunhong Wang, Yikai Xu, Yuankui Wu
Studies comparing intraventricular oligodendroglioma (IVO) and central neurocytoma (CN) in terms of their clinical, radiological and pathological features are scarce. We, therefore, investigated the similarities and differences between these types of tumors to get a better understanding of how they may be more properly diagnosed and treated. The clinical manifestations, CT/MRI findings, pathological characteristics and clinical outcomes of 8 cases of IVOs and 12 cases of CNs were analyzed retrospectively. Both IVO and CN occurred most commonly in young adults and manifested with symptoms of increased intracranial pressure secondary to obstructive hydrocephalus...
October 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28879895/perfusion-mr-imaging-of-enhancing-brain-tumors-comparison-of-arterial-spin-labeling-technique-with-dynamic-susceptibility-contrast-technique
#14
Neetu Soni, Devender Pal S Dhanota, Sunil Kumar, Awadhesh K Jaiswal, Arun K Srivastava
OBJECTIVE: Arterial spin labeling (ASL) magnetic resonance (MR) perfusion is a noninvasive and repeatable method for quantitatively measuring cerebral blood flow (CBF). This study aims to compare measurements of ASL-derived CBF with dynamic susceptibility contrast (DSC) MRI in the assessment of enhancing brain tumors (primary and metastatic), with an aim to use ASL as an alternative to DSC. MATERIALS AND METHODS: Thirty patients with newly diagnosed brain tumors (16 meningiomas, 6 gliomas, 3 metastases, 2 cerebellopontine angle schwannoma, 1 central neurocytoma, and 2 low-grade gliomas) were examined using a 3T MR scanner...
September 2017: Neurology India
https://www.readbyqxmd.com/read/28871071/teaching-neuro-images-central-neurocytoma
#15
Matthew Smith-Cohn, Paul A House, Yoshimi Anzai
No abstract text is available yet for this article.
September 5, 2017: Neurology
https://www.readbyqxmd.com/read/28516073/systematic-analysis-of-clinical-outcomes-following-stereotactic-radiosurgery-for-central-neurocytoma
#16
REVIEW
Timothy T Bui, Carlito Lagman, Lawrance K Chung, Stephen Tenn, Percy Lee, Robert K Chin, Tania Kaprealian, Isaac Yang
Central neurocytoma (CN) typically presents as an intraventricular mass causing obstructive hydrocephalus. The first line of treatment is surgical resection with adjuvant conventional radiotherapy. Stereotactic radiosurgery (SRS) was proposed as an alternative therapy for CN because of its lower risk profile. The objective of this systematic analysis is to assess the efficacy of SRS for CN. A systematic analysis for CN treated with SRS was conducted in PubMed. Baseline patient characteristics and outcomes data were extracted...
April 2017: Brain Tumor Research and Treatment
https://www.readbyqxmd.com/read/28408259/pediatric-basal-ganglia-region-tumors-clinical-and-radiologic-features-correlated-with-histopathologic-findings
#17
Wei Fu, Yan Ju, Si Zhang, Chao You
PURPOSE: To summarize the clinical and radiologic features of pediatric basal ganglia region tumors (PBGRT) in correlation with their histopathologic findings to reduce inappropriate surgery and identify tumors that can benefit from maximal safe resection. METHODS: The records of 35 children with PBGRT treated in our hospital from December 2011 to December 2015 were analyzed retrospectively. The clinical and radiologic features of these tumors were summarized and correlated with their histopathologic diagnosis...
July 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28236180/supraorbital-subfrontal-trans-laminar-endoscope-assisted-approach-for-tumors-of-the-posterior-third-ventricle
#18
Maurizio Iacoangeli, Roberto Colasanti, Domenic Esposito, Alessandro Di Rienzo, Lucia di Somma, Mauro Dobran, Maurizio Gladi, Massimo Scerrati
BACKGROUND: Different surgical approaches have been developed for dealing with third ventricle lesions, all aimed at obtaining a safe removal minimizing brain manipulation. The supraorbital subfrontal trans-lamina terminalis route, commonly employed only for the anterior third ventricle, could represent, in selected cases with endoscopic assistance, an alternative approach to posterior third ventricular lesions. METHODS: Seven patients underwent a supraorbital subfrontal trans-laminar endoscope-assisted approach to posterior third ventricle tumors (two craniopharyngiomas, one papillary tumor of the pineal region, one pineocytoma, two neurocytomas, one glioblastoma)...
April 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28230467/ultrastructural-comparison-of-extraventricular-and-central-neurocytomas
#19
Sergei I Bannykh, Miriam Nuno
No abstract text is available yet for this article.
January 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28217163/pediatric-central-neurocytoma-case-report-and-review-of-literature
#20
Basanta Kumar Baishya, Rishi Kant Singh, Deep Dutta, Zakir Hussain
Central neurocytomas are slow-growing primary brain tumors of neuronal origin having a predilection to arise mostly in the lateral ventricles. We report a case of a 9-year-old girl who presented with headache and vomiting of 1-month duration. Her magnetic resonance imaging was suggestive of central neurocytoma of the third ventricle and was surgically managed, and tumor tissue was sent for histopathology and immunohistochemistry which confirmed the diagnosis.
October 2016: Journal of Pediatric Neurosciences
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