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HomeTumors of the Nervous System in ChildrenSpinal Tumors in ChildrenIntramedullary Spinal Cord Tumors in Children HomepageEvaluation of Intramedullary Spinal Cord Tumors in ChildrenMRI of Intramedullary Spinal Cord Ganglioglioma

MRI of Intramedullary Spinal Cord Ganglioglioma

This page was last updated on May 9th, 2017

T1-weighted MRI with gadolinium enhancement of an intramedullary ganglioglioma:

General Findings

  • Spinal cord diameter enlarged.
  • Eccentric epicenter for tumor.
  • Average length of the tumor is 8 spinal segments, which is twice that of astrocytomas.
  • Cysts in 46%.

T1-Weighted Sequence

  • Mixed intensity:  Only a small percentage are homogeneously hypointense or isointense.
  • Blurred margins as with astrocytomas are common.
  • Gadolinium enhances in most cases.  65% of cases will have patchy enhancement, while 20%  will have focal  enhancement, and 15% can show no enhancement.

T1-weighted MRI of an intramedullary ganglioglioma:


T1 MRI with gadolinium enhancement of an intramedullary ganglioglioma:

 

T2-Weighted Sequence

  • Variable intensity: 60% of intramedullary gangliogliomas will be hyperintense while the remaining 40% will be heterogeneous.

T2-weighted MRI of an intramedullary ganglioglioma:

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MRI of Intramedullary Spinal Cord Astrocytoma
MRI of Intramedullary Spinal Cord Ependymoma

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