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Intraneural ganglion cyst of the lumbosacral plexus mimicking L5 radiculopathy: A case report

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Author(s)
Jun Gyu LeeHyungsun PeoJang Hyuk ChoDu Hwan Kim
Keimyung Author(s)
Cho, Jang Hyuk
Department
Dept. of Rehabilitation Medicine (재활의학)
Journal Title
World J Clin Cases
Issued Date
2021
Volume
9
Issue
17
Keyword
Intraneural ganglion cystRadiculopathyLabrum, Hip jointSciatic nerveLumbosacral plexusCase report
Abstract
BACKGROUND:
Intraneural ganglion cysts are benign gelatinous masses that form within the epineurium of a peripheral nerve. Only few cases of intraneural ganglion cyst arising from the hip joint have been reported.

CASE SUMMARY:
A previously healthy 65-year-old woman who had been experiencing left buttock pain radiating to the dorsum of the foot for 2 years visited our clinic. Prior to visiting the clinic, she underwent lumbar spine magnetic resonance imaging and received physiotherapy, pain killers, and epidural injections based on a presumptive diagnosis of spinal stenosis for 2 years in other hospitals. Repeat magnetic resonance imaging revealed joint connection of the articular branch of the hip joint and rostral extension of the cyst along the L5 spinal nerve near the L5-S1 neural foramen. The patient was diagnosed with intraneural ganglion cyst arising from the articular branch of the hip joint based on high-resolution magnetic resonance neurography. Using the arthroscopic approach, a cystic opening within the intra-articular space was detected, and cyst decompression was then performed. The pain in the left leg was significantly relieved during the 6-mo follow-up.

CONCLUSION:
Although intraneural ganglion cysts arising from the hip joint are rare, they can cause typical radicular pain and mimic common L5 radiculopathy. Typical cyst ascent phenomenon starting from the termination of the articular branch on magnetic resonance imaging is a crucial finding indicative of intraneural ganglion cysts arising from the hip joint.
Keimyung Author(s)(Kor)
조장혁
Publisher
School of Medicine (의과대학)
Citation
Jun Gyu Lee et al. (2021). Intraneural ganglion cyst of the lumbosacral plexus mimicking L5 radiculopathy: A case report. World J Clin Cases, 9(17), 4433–4440. doi: 10.12998/wjcc.v9.i17.4433
Type
Article
ISSN
2307-8960
Source
https://www.wjgnet.com/2307-8960/full/v9/i17/4433.htm
DOI
10.12998/wjcc.v9.i17.4433
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/43829
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학)
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