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Cytogenetic study of glioneuronal tumor with neuropil-like islands: A case report

Cited 5 time in Web of Science Cited 4 time in Scopus
Authors
Min, Hye Sook; Lee, Sang Hyun; Yoo, Heon; Myung, Jaekyung; Park, Sung-Hye; Hong, Eun Kyoung
Issue Date
2010-08
Publisher
WILEY-BLACKWELL
Citation
NEUROPATHOLOGY; Vol.30 4; 420-426
Keywords
brain tumorimmunohistochemistrycomparative genomic hybridizationglioneuronal tumor with neuropil-like islands
Abstract
Glioneuronal tumor with neuropil-like islands (GTNI) is a recently recognized glioneuronal neoplasm but it was classified as an astrocytic tumor by the World Health Organization (WHO) in 2007. We performed a cytogenetic study in a case of GTNI arising in a 55-year-old man and analyzed its genetic alteration. It presented as a heterogeneously enhancing, multi-lobulating solid mass on MRI. Histopathologically, the tumor showed the biphasic feature of the predominating micronodular neuropil-like islands and the diffusely infiltrating glial component. In addition, the prominent blood vessels with perivascular hyalinization were observed. On cytogenetic study, loss of 4q, 5q, 11p and gain of 6p, 7, 8, 11q, 12p, 15q were found. The remaining tumor after subtotal resection progressed 7 months later, despite combined chemo- and radiotherapy. From the results, it seems that GTNI does not share pathologic or genetic features with conventional astrocytoma, suggesting a unique entity with aggressive behavior.
ISSN
0919-6544
Language
English
URI
http://hdl.handle.net/10371/76668
DOI
https://doi.org/10.1111/j.1440-1789.2009.01066.x
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College of Medicine/School of Medicine (의과대학/대학원)Pathology (병리학전공)Journal Papers (저널논문_병리학전공)
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