MR Findings of the Spinal Paraganglioma : Report of Three Cases.
10.3346/jkms.2001.16.4.522
- Author:
Joo Yong SHIN
1
;
Sung Moon LEE
;
Mee Young HWANG
;
Cheol Ho SOHN
;
Soo Jhi SUH
Author Information
1. Department of Diagnostic Radiology, Keimyung University School of Medicine. smlee@dsmc.or.kr
- Publication Type:Case Report
- Keywords:
Paraganglioma, Extraadrenal;
Magnetic Resonance Imaging;
Spine, Paraganglioma
- MeSH:
Adult;
Aged;
Female;
Human;
Magnetic Resonance Imaging;
Male;
Middle Age;
Paraganglioma, Extra-Adrenal/*diagnosis/pathology;
Spinal Neoplasms/*diagnosis/pathology
- From:Journal of Korean Medical Science
2001;16(4):522-526
- CountryRepublic of Korea
- Language:English
-
Abstract:
Extraadrenal paragangliomas involving the spine is less common and usually takes the form of intradural compression of the cauda equina. The authors report three cases of spinal paragangliomas resulting in extradural spinal cord compression and their MR findings. The MR imaging revealed a well-demarcated extradural mass with low to intermediate signal intensity on T1-weighted images and intermediate to high signal intensity on T2-weighted images compared to paravertebral muscles. After Gd-DTPA administration, heterogeneous and intense enhancement was found. Multiple punctate and serpiginous structures of signal void due to high-velocity flow were noted around and within the tumors on all sequences. In one case, the signal void structures were well corresponded with feeding arteries on angiography. These may be the characteristic findings of the extraadrenal paraganglioma involving the spine.
