• Nobusuke Kobayashi, Syunji Asamoto, Hiroshi Doi, and Hiroyuki Sugiyama.
• Department of Neurosurgery, Tokyo Metropolitan Ebara Hospital, Tokyo, Japan. kobawillkommen@aol.com
• Spine J. 2003 Nov 1;3(6):530-3.

Background ContextBrown-Sèquard syndrome is most commonly seen with spinal trauma and extramedullary spinal neoplasm. A herniated cervical disc has rarely been considered to be a cause of Brown-Sèquard syndrome.PurposeTo report and discuss two cases of Brown-Sèquard syndrome produced by herniated cervical disc.Study Design/SettingCase studies in Japan.Patient SampleThe first patient was a 64-year-old man who presented with right leg weakness and diminished sensation to pain and temperature in the left side below the T4 dermatome. The second patient was a 39-year-old man who presented with right-sided weakness and diminished sensation to pain and temperature in the left side below the T6 dermatome.Outcome MeasuresAmerican Spinal Cord Injury Association (ASIA) impairment scale (only our cases).MethodsThese patients were diagnosed to have Brown-Sèquard syndrome produced by herniated cervical disc. Anterior cervical discectomy with fusion was performed for these patients.ResultsThese cases revealed contralateral deficit in sensation of pain and temperature of more than a few levels below the cord compression, and showed paracentral protruded disc in magnetic resonance images and cervical spinal stenosis in cervical spine X-rays. Postoperatively, motor and sensory function of these patients returned to normal.ConclusionsCharacteristic finding in discogenic Brown-Sèquard syndrome are contralateral deficit in sensation of pain and temperature of more below than a few levels below the cord compression and paracentral protruded disc with cervical spinal stenosis. Outcomes are favorable in rapid diagnosis by magnetic resonance images and performance of anterior approach.

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