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Iatrogenic Intradural Lumbosacral Cyst Following Epiduroscopy

Overview of attention for article published in Journal of Korean Neurosurgical Society, November 2012
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Iatrogenic Intradural Lumbosacral Cyst Following Epiduroscopy
Published in
Journal of Korean Neurosurgical Society, November 2012
DOI 10.3340/jkns.2012.52.5.491
Pubmed ID

Kyeong-Sik Ryu, Nitesh Kumar Rathi, Geol Kim, Chun-Kun Park


We report a rare complication of iatrogenic spinal intradural following minimally invasive extradural endoscopic procedues in the lumbo-sacral spines. To our knowledge, intradural cyst following epiduroscopy has not been reported in the literature. A 65-year-old woman with back pain related with previous lumbar disc surgery underwent endoscopic epidural neuroplasty and nerve block, but her back pain much aggravated after this procedure. Postoperative magnetic resonance imaging revealed a large intradural cyst from S1-2 to L2-3 displacing the nerve roots anteriorly. On T1 and T2-weighted image, the signal within the cyst had the same intensity as cerebrospinal fluid. The patient underwent partial laminectomy of L5 and intradural exploration, and fenestration of the cystic wall was accomplished. During operation, the communication between the cyst and subarachnoid space was not identified, and the content of the cyst was the same as that of cerebrospinal fluid. Postoperatively, the pain attenuated immediately. Incidental durotomy which occurred during advancing the endoscope through epidural space may be the cause of formation of the intradural cyst. Intrdural cyst should be considered, if a patient complains of new symptoms such as aggravation of back pain after epiduroscopy. Surgical treatment, simple fenestration of the cyst may lead to improved outcome. All the procedures using epiduroscopy should be performed with caution.

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Mendeley readers

The data shown below were compiled from readership statistics for 9 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 9 100%

Demographic breakdown

Readers by professional status Count As %
Other 6 67%
Student > Ph. D. Student 1 11%
Student > Bachelor 1 11%
Student > Postgraduate 1 11%
Readers by discipline Count As %
Medicine and Dentistry 6 67%
Neuroscience 1 11%
Psychology 1 11%
Unknown 1 11%