Ganglioglioma MRI: Difference between revisions

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Revision as of 19:54, 2 August 2019

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

1. Brain MRI scan is helpful in the diagnosis of cerebral ganglioglioma. On MRI of the brain, ganglioglioma is characterized by:^[1]


MRI Component	Features

T1	Solid component iso- to hypointense
T1 C+ (Gd)	Solid component variable contrast enhancement
T2	Hyperintense solid component Variable signal in the cystic component Peritumoral flair/T2 edema is rare
T2 (GE/SWI)	Calcified areas shows blooming signal loss

2. MRI scan of the spinal cord is helpful in the diagnosis of spinal cord ganglioglioma. On MRI of the spinal cord, ganglioglioma is characterized by:^[2]


MRI Component	Features

T1	Mixed signal intensity
T1 C+ (Gd)	Patchy or no enhancement
T2	High intensity Surrounding edema is rare
Gradient echo	Calcification is common, low signal with blooming

↑ MRI findings of ganglioglioma. Dr Henry Knipe and Dr Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/ganglioglioma
↑ Imaging findings of spinal cord ganglioglioma. Dr Ayush Goel and Dr Sara Wein et al. http://radiopaedia.org/articles/spinal-ganglioglioma

@@ Line 4: / Line 4: @@
 ==Overview==
-On MRI of the brain, ganglioglioma is characterized by iso- to hypointense solid component on T1, variable contrast enhancement of solid component on T1 C+ (Gd), hyperintense solid component and variable signal in cystic component on T2, and [[calcification]] on T2 (GE/SWI).<ref name=dd>MRI findings of ganglioglioma. Dr Henry Knipe and Dr Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/ganglioglioma</ref> On MRI of the [[spinal cord]], ganglioglioma is characterized by mixed signal intensity on T1-weighted images, high intensity on T2, patchy enhancement on T1 C+ (Gd), and [[calcification]] with low signal blooming on gradient echo.
 ==MRI==