J Korean Med Sci.  2001 Aug;16(4):522-526. 10.3346/jkms.2001.16.4.522.

MR Findings of the Spinal Paraganglioma : Report of Three Cases

• Shin JY
• Lee SM
• Hwang MY
• Sohn CH
• Suh SJ

• KMID: 648316
• DOI: http://doi.org/10.3346/jkms.2001.16.4.522

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.

Keyword

Paraganglioma, Extraadrenal; Magnetic Resonance Imaging; Spine, Paraganglioma

MeSH Terms

Adult
Aged
Female
Human
Magnetic Resonance Imaging
Male
Middle Age
Paraganglioma, Extra-Adrenal/*diagnosis/pathology
Spinal Neoplasms/*diagnosis/pathology