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Adult Type Tethered Cord Syndrome with Chronic Attackwise Pain in the Bilateral Feet Shiho HARASHIMA 1 , Takaomi TAIRA 1 , Tomokatsu HORI 1 1Department of Neurosurgery,Neurological Institute,Tokyo Women's Medical Unversity Keyword: tethered cord syndrome , attackwise pain , filum terminale , untethering pp.481-485
Published Date 2004/5/1
DOI https://doi.org/10.11477/mf.1436100385
  • Abstract
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 The authors report a case of chronic attackwise pain in the bilateral feet for five years due to tethered cord syndrome. Despite extensive examinations,this condition had been overlooked.

 The patient is a 21-year-old man. He had suffered attackwise pain resembling sticking a thumbtack in the soles of his feet,since he was 16 years old. The pain appeared several times a day and continued for 30 seconds to 30 minutes for 5 years. Physical examination revealed hammer toes and high-arched feet. The fingers and knee joints showed hyperextension. The neurological findings showed weakness of toe extension,hyporeflexia of deep tendon reflexes in the leg. Mild hypesthesia was seen in the bilateral soles. Myelography showed sacral dural ectasia. Magnetic resonance images showed dorsal displacement of the conus medullaris,the filum terminale and the cauda equina. A computed tomographic scan after myelography also showed a dorsally located thick filum terminale (the diameter is 2 mm). Surgery disclosed thick and tight filum terminale directly under the dura mater. Its flexibility was diminished. Abnormal lesions such as lipoma,spinal dysraphysm,diastematomyelia,myelomeningocele were not observed. After the untethering operation,the pain attacks decreased dramatically.

 The condition of the present case is adult onset tethered cord Group 2 described by Yamada. When unusual pain is manifested,we always have to keep this syndrome in mind.


Copyright © 2004, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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