Related Experiment Video
Updated: Aug 13, 2026
Intraoperative Ultrasound in Spinal Surgery
Published on: August 17, 2022
MR of spinal cord ganglioglioma
U Patel1, R S Pinto, D C Miller
1Department of Radiology, New York University Medical Center, NY, USA.
Purpose:
Our purpose was to describe the MR imaging features in a series of spinal intramedullary gangliogliomas and to compare these findings with the MR features of intramedullary astrocytomas and ependymomas.
Methods:
A retrospective analysis was performed of 76 MR examinations in 27 patients with histologically proved spinal ganglioglioma; these were then compared with imaging findings in a representative sample of histologically proved spinal cord astrocytomas and ependymomas.
Results:
Statistically significant observations regarding spinal gangliogliomas included young age of the patients (mean, 12 years), long tumor length, presence of tumoral cyst, presence of bone erosion and scoliosis, absence of edema, presence of mixed signal intensity on T1-weighted images, and presence of patchy enhancement and cord surface enhancement. A trend (not statistically significant) was noted for holocord involvement and lack of magnetic susceptibility.
Conclusion:
Spinal ganglioglioma can be strongly suspected if MR images reflect the above criteria; however, the ultimate diagnosis still depends on radical resection and appropriate histopathologic investigation.
Insights
Spinal gangliogliomas in children show distinct MR imaging features, including young age, long tumor length, and specific signal intensities. These characteristics aid in differentiating them from other spinal cord tumors.
Area of Science:
- Neuroradiology
- Spinal Cord Imaging
- Oncology
Background:
- Spinal intramedullary tumors are rare, with gangliogliomas representing a distinct subtype.
- Accurate differentiation of spinal gangliogliomas from other intramedullary neoplasms like astrocytomas and ependymomas is crucial for appropriate management.
- Magnetic Resonance (MR) imaging plays a key role in the preoperative evaluation of these lesions.
Purpose of the Study:
- To delineate the characteristic MR imaging features of spinal intramedullary gangliogliomas.
- To compare these MR findings with those of spinal intramedullary astrocytomas and ependymomas.
- To establish imaging criteria that support the suspicion of spinal ganglioglioma.
Main Methods:
- Retrospective analysis of 76 MR examinations from 27 patients with histologically confirmed spinal ganglioglioma.
- Comparison of imaging findings with a representative sample of histologically proven spinal cord astrocytomas and ependymomas.
- Detailed evaluation of MR imaging characteristics, including signal intensity, enhancement patterns, and associated findings.
Main Results:
- Spinal gangliogliomas were predominantly observed in young patients (mean age, 12 years).
- Characteristic findings included long tumor length, tumoral cysts, bone erosion, scoliosis, mixed T1 signal intensity, and patchy/cord surface enhancement.
- Absence of significant edema and a trend towards holocord involvement and lack of magnetic susceptibility were noted.
Conclusions:
- Specific MR imaging criteria can strongly suggest the diagnosis of spinal ganglioglioma.
- However, definitive diagnosis requires surgical resection and histopathological examination.
- Radiologists and clinicians should consider these imaging features in the differential diagnosis of intramedullary spinal tumors.
