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Fluid-attenuated Inversion Recovery Ring Sign as a Marker of Dysembryoplastic Neuroepithelial Tumors

Fluid-attenuated Inversion Recovery Ring Sign as a Marker of Dysembryoplastic Neuroepithelial Tumors ORIGINAL ARTICLE Fluid-attenuated Inversion Recovery Ring Sign as a Marker of Dysembryoplastic Neuroepithelial Tumors Hemant A. Parmar, MD,*Þ Cynthia Hawkins, MD,þ Rodrigo Ozelame, MD,* Sylvester Chuang, MD,* James Rutka, MD,§ and Susan Blaser, MD* Key Words: dysembryoplastic neuroepithelial tumor, Purpose: The aim of our study is to describe the hyperintense ring fluid-attenuated inversion recovery (FLAIR), MR imaging, sign on fluid-attenuated inversion recovery (FLAIR) images in brain tumor patients with dysembryoplastic neuroepithelial tumors (DNET), to discuss the radiopathologic correlation for this appearance, and to (J Comput Assist Tomogr 2007;31:348Y353) determine its role in preoperative diagnosis of DNETs. Materials and Methods: We retrospectively analyzed imaging features in 11 patients with pathological diagnosis of DNET. All irst described by Daumas-Duport et al in 1988, dysem- patients had undergone surgery for refractory seizures. All had F bryoplastic neuroepithelial tumors (DNET) are a patholo- FLAIR imaging sequences performed on a 1.5-T magnetic gically distinct group of cortically based tumors commonly resonance scanner. Clinical and pathological details in all cases associated with medically intractable epilepsy. They are seen were examined. Twenty-one age matched patients with pathologi- predominantly in the pediatric age group and are character- cally confirmed low-grade glioma (n = 11), oligodendroglioma (n = http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Computer Assisted Tomography Wolters Kluwer Health

Fluid-attenuated Inversion Recovery Ring Sign as a Marker of Dysembryoplastic Neuroepithelial Tumors

Journal of Computer Assisted Tomography , Volume 31 (3) – May 1, 2007

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References (21)

ISSN
0363-8715
eISSN
1532-3145
DOI
10.1097/01.rct.0000243453.33610.9d
pmid
17538277
Publisher site
See Article on Publisher Site

Abstract

ORIGINAL ARTICLE Fluid-attenuated Inversion Recovery Ring Sign as a Marker of Dysembryoplastic Neuroepithelial Tumors Hemant A. Parmar, MD,*Þ Cynthia Hawkins, MD,þ Rodrigo Ozelame, MD,* Sylvester Chuang, MD,* James Rutka, MD,§ and Susan Blaser, MD* Key Words: dysembryoplastic neuroepithelial tumor, Purpose: The aim of our study is to describe the hyperintense ring fluid-attenuated inversion recovery (FLAIR), MR imaging, sign on fluid-attenuated inversion recovery (FLAIR) images in brain tumor patients with dysembryoplastic neuroepithelial tumors (DNET), to discuss the radiopathologic correlation for this appearance, and to (J Comput Assist Tomogr 2007;31:348Y353) determine its role in preoperative diagnosis of DNETs. Materials and Methods: We retrospectively analyzed imaging features in 11 patients with pathological diagnosis of DNET. All irst described by Daumas-Duport et al in 1988, dysem- patients had undergone surgery for refractory seizures. All had F bryoplastic neuroepithelial tumors (DNET) are a patholo- FLAIR imaging sequences performed on a 1.5-T magnetic gically distinct group of cortically based tumors commonly resonance scanner. Clinical and pathological details in all cases associated with medically intractable epilepsy. They are seen were examined. Twenty-one age matched patients with pathologi- predominantly in the pediatric age group and are character- cally confirmed low-grade glioma (n = 11), oligodendroglioma (n =

Journal

Journal of Computer Assisted TomographyWolters Kluwer Health

Published: May 1, 2007

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