نتایج جستجو برای: oligodendrogliomas

تعداد نتایج: 585  

2015
Hope Richard Kimberly Stogner-Underwood Christine Fuller

Oligodendroglioma is an infiltrating glial neoplasm frequently seen in adults. Pediatric oligodendrogliomas are rare, with very few cases presenting in infancy and only rare congenital examples. In contrast to adult oligodendrogliomas, pediatric cases typically lack 1p/19q codeletion. Herein we report a case of WHO grade II oligodendroglioma diagnosed in a 7-month-old male infant. The patient i...

2011
David Cogdell Woonbok Chung Yuexin Liu J. Matthew McDonald Kenneth Aldape Jean-Pierre J. Issa Gregory N. Fuller Wei Zhang

Allelic loss of the short arm of chromosome 1 has been observed frequently in a wide spectrum of cancers, most frequently in oligodendroglioma. In our previous studies, we evaluated 177 oligodendroglial tumor samples and identified the AJAP1 gene (formerly Shrew1) in the consensus region of deletion. AJAP1 is a transmembrane protein found in adheren junctions and functions to inhibit glioma cel...

2010
Georgia Levidou Penelope Korkolopoulou George Agrogiannis Nikolaos Paidakakos Dimos Bouramas Efstratios Patsouris

BACKGROUND Gliomas are a very rare subtype of pineal region tumours, whereas oligodendrogliomas of the pineal region are exceedingly rare, since there have been only 3 cases of anaplastic oligodedrogliomas reported this far. METHODS-RESULTS We present a case of a low-grade oligodendroglioma arising in the pineal gland of a 37 year-old woman. The patient presented with diplopia associated with...

2014
Jane B. Cryan Sam Haidar Lori A. Ramkissoon Wenya Linda Bi David S. Knoff Nikolaus Schultz Malak Abedalthagafi Loreal Brown Patrick Y. Wen David A. Reardon Ian F. Dunn Rebecca D. Folkerth Sandro Santagata Neal I. Lindeman Azra H. Ligon Rameen Beroukhim Jason L. Hornick Brian M. Alexander Keith L. Ligon Shakti H. Ramkissoon

Classifying adult gliomas remains largely a histologic diagnosis based on morphology; however astrocytic, oligodendroglial and mixed lineage tumors can display overlapping histologic features. We used multiplexed exome sequencing (OncoPanel) on 108 primary or recurrent adult gliomas, comprising 65 oligodendrogliomas, 28 astrocytomas and 15 mixed oligoastrocytomas to identify lesions that could ...

2015
Nassim Dali-Youcef Sébastien Froelich François-Marie Moussallieh Salvatore Chibbaro Georges Noël Izzie J. Namer Sami Heikkinen Johan Auwerx

Primary brain tumors are presently classified based on imaging and histopathological techniques, which remains unsatisfaying. We profiled here by quantitative real time PCR (qRT-PCR) the transcripts of eighteen histone deacetylases (HDACs) and a subset of transcriptional co-factors in non-tumoral brain samples from 15 patients operated for epilepsia and in brain tumor samples from 50 patients d...

Journal: :The Journal of pathology 2008
Dr Thal C-P Xavier A Rosentreter S Linder B Friedrichs A Waha T Pietsch M Stumpf Aa Noegel Cs Clemen

Coronin-3 (coronin-1C), a homotrimeric F-actin binding protein, has been shown to be important for cell migration and brain morphogenesis. Here, we present for the first time a detailed analysis of the expression pattern of coronin-3 in human brain tumours and demonstrate that coronin-3 expression correlates with malignant phenotype in diffuse gliomas. In general, the expression of coronin-3 va...

Journal: :JPMA. The Journal of the Pakistan Medical Association 2001
Z Ahmed S Muzaffar N Kayani S Pervez A S Husainy S H Hasan

OBJECTIVE To see in a large series of patients the histological pattern of CNS neoplasms and to provide a comprehensive data about the frequency of CNS neoplasms in Pakistani patients and to give a clearer idea about their prevalence. METHOD Retrospective study of all consecutive cases of CNS neoplasms diagnosed at The Aga Khan University Hospital (AKUH) between 1st January, 1994 and 31st Dec...

Journal: :Tumori 2009
Monika Nagy Daniela Schulz-Ertner Marc Bischof Thomas Welzel Holger Hof Jürgen Debus Stephanie E Combs

PURPOSE Patients with anaplastic gliomas have a more favorable overall survival than patients with glioblastomas. In most analyses, WHO grade III and 1V tumors are not analyzed separately. The present analysis reports outcome after postoperative radiotherapy in patients with WHO grade III gliomas. PATIENTS AND METHODS Between January 1988 and January 2007, 127 patients with WHO grade III tumo...

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