Korean J Radiol.  2016 Feb;17(1):142-146. 10.3348/kjr.2016.17.1.142.

Chordoid Glioma with Intraventricular Dissemination: A Case Report with Perfusion MR Imaging Features

• Ki SY
• Kim SK
• Heo TW
• Baek BH
• Kim HS
• Yoon W

• KMID: 2351173
• DOI: http://doi.org/10.3348/kjr.2016.17.1.142

Abstract

Chordoid glioma is a rare low grade tumor typically located in the third ventricle. Although a chordoid glioma can arise from ventricle with tumor cells having features of ependymal differentiation, intraventricular dissemination has not been reported. Here we report a case of a patient with third ventricular chordoid glioma and intraventricular dissemination in the lateral and fourth ventricles. We described the perfusion MR imaging features of our case different from a previous report.

Keyword

Chordoid glioma; Intraventricular dissemination; Perfusion MRI

MeSH Terms

Adult
Cerebral Ventricle Neoplasms/diagnosis/pathology/*secondary
Fourth Ventricle/*pathology
Glioma/diagnosis/*pathology
Humans
Lateral Ventricles/*pathology
Magnetic Resonance Imaging/methods
Male
Third Ventricle/*pathology

Figure

• 

  Fig. 1 Chordoid glioma in 34-year-old man. A. Axial unenhanced CT showing hyperattenuated mass compressing frontal horn of right lateral ventricle. Note small calcification (arrow) in periphery of mass. B. Sagittal T1-weighted (upper left panel) and axial T2-weighted (upper central panel) images showing isointense lobulated mass (arrows) relative to cerebral cortex in anterior third ventricle. Axial susceptibility-weighted image (upper right panel) showing no evidence of intratumoral hemorrhage. Sagittal (lower left panel), axial (lower central panel), and coronal (lower right panel) post-contrast T1-weighted images showing strong enhancing main tumor with lobulated margin (arrows) in anterior part of third ventricle and smaller enhancing masses (arrowheads) along wall of lateral ventricles and fourth ventricle. C. CBV map of perfusion MRI showing elevated CBV within tumor (arrows) in third ventricle. D. Photomicrograph of hematoxylin and eosin stained slide showing solid cellular components composed of clusters and cords of epithelioid tumor cells (arrows) within variable mucinous stroma (original magnification × 400). CBV = cerebral blood volume E, F. Photomicrographs of immunostained slides for GFAP (E) and CD 34 (F) showing diffuse and strong expression in tumor cells (dark yellow and brown colors) (original magnification × 400). GFAP = glial-fibrillary acid protein

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