Rosette-forming glioneuronal tumor of the fourth ventricle with bilateral olivary degeneration

Rosette-forming glioneuronal tumor (RGNT) of the fourth ventricle has been recognized as a new type of glioneuronal tumor. RGNTs are typically located in the infratentorial midline with involvement of the fourth ventricle. They occasionally involve the aqueduct and/or vermis. RGNTs of unusual anatom...

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Bibliographic Details
Published in:Japanese journal of radiology 2011-07, Vol.29 (6), p.445-448
Main Authors: Fushimi, Yasutaka, Miyasaki, Akihiro, Taki, Hideaki, Aoyama, Kunihiro, Hirato, Junko, Kanagaki, Mitsunori, Togashi, Kaori
Format: Article
Language:English
Subjects:
Adult
Case Report
Cerebral Ventricle Neoplasms - diagnosis
Cerebral Ventricle Neoplasms - immunology
Cerebral Ventricle Neoplasms - pathology
Cerebral Ventricle Neoplasms - surgery
Craniotomy
Diagnosis, Differential
Female
Fourth Ventricle - pathology
Ganglioglioma - diagnosis
Ganglioglioma - immunology
Ganglioglioma - pathology
Ganglioglioma - surgery
Humans
Imaging
Magnetic Resonance Imaging
Medicine
Medicine & Public Health
Nuclear Medicine
Olivary Nucleus - pathology
Radiology
Radiotherapy
Rosette Formation
Tomography, X-Ray Computed
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Description
Summary:Rosette-forming glioneuronal tumor (RGNT) of the fourth ventricle has been recognized as a new type of glioneuronal tumor. RGNTs are typically located in the infratentorial midline with involvement of the fourth ventricle. They occasionally involve the aqueduct and/or vermis. RGNTs of unusual anatomical sites or those with unusual findings have been reported. The present case reports describe RGNT of the fourth ventricle with bilateral olivary degeneration. It is important to accumulate imaging findings and biological behaviors of RGNTs given the limited number of cases.
ISSN:1867-1071
1867-108X
DOI:10.1007/s11604-011-0566-x