Utility of Gait-Load Test for Assessment of Neurological Findings in Thoracolumbar Intradural-Extramedullary Tumor

  • Morimoto Tadatsugu
    Department of Orthopaedic Surgery, Saga Social Insurance Hospital, Saga, Japan
  • Asami Akihiko
    Department of Orthopaedic Surgery, Saga Social Insurance Hospital, Saga, Japan
  • Kugimoto Yasutaka
    Department of Orthopaedic Surgery, Saga Social Insurance Hospital, Saga, Japan
  • Nakao Toshinori
    Department of Orthopaedic Surgery, Saga Social Insurance Hospital, Saga, Japan
  • Tsuruta Toshiyuki
    Department of Orthopaedic Surgery, Tsuruta Orthopaedic Clinic, Saga, Japan

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Other Title
  • 胸腰椎移行部の硬膜内髄外腫瘍(神経鞘腫)に対する歩行負荷試験の検討

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Abstract

The gait-load test (GLT) is a famous valuable symptom provocation test in patients with lumber spinal canal stenosis (LSS). But the utility of the GLT in patients with thoracolumbar intradural-extramedullary tumor (TL-IET) have not been assessed. We report two cases of TL-IET. At rest, they had slight low back pain only by interview and seldom had objective findings. We observed changes in symptoms and neurologic condition before and after the GLT. During the GLT, both of them experienced severe low back pain, but muscle strength and deep tendon reflexes in their lower limbs did not change. From the fact that the GLT can spotlight latent symptoms, it could serve as a symptom provocation test in patients with TL-IET just as in LSS. But it is not useful for determining the responsible level because of little changes in neurologic findings after the GLT.

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