Thoracic dumbbell-shaped spinal tumor with contralateral lower extremity pain : a case report

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  • Case Report : Thoracic dumbbell-shaped spinal tumor with contralateral lower extremity pain : a case report

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[SUMMARY] We report a surgically-treated case of a thoracic dumbbell-shaped spinal tumor with contralateral buttock and lower extremity pain. A 72-year-old man was admitted with buttock pain of a right side and right lower extremity pain. A neurological examination demonstrated no motor weakness and no sensory loss of trunk and both lower limbs. Deep tendon reflexes were normal and Babinski signs were negative bilaterally. The right buttock and lower extremity pain was the only initial and major symptom of him. Magnetic resonance（MR）images revealed the presence of a dumbbell-shaped spinal tumor at the left Th9 level. MR image studies for brain, pelvic, and lumbar spine showed no other lesion. We considered that his symptom was caused by the compression of the left spinothalamic tract at thoracic spine level by the spinal tumor. The symptom disappeared immediately after the excision of the spinal tumor. Our experience suggests that thoracic cord compression caused by such as a dumbbell-shaped spinal tumor should be suspected in patients with buttock and lower extremity pain. And the symptom can be occurred at the contralateral side of the lesion.

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