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A 22 year-old college student began to have weakness in the legs. Her movements were clumsy when playing soccer or running. She went to see her...

A 22 year-old college student began to have weakness in the legs. Her movements were clumsy when playing soccer or running. She went to see her family physician, who noted the following signs:

  • Broad-based gait
  • Unsteadiness in walking
  • Weakness in the lower limbs
  • Loss of proprioception and fine touch from both lower limbs
  • Positive Romberg sign (patient standing then fell over with eyes closed)

MRI indicated pathological changes in the spinal cord at the lumbar level. These issues are likely due to damage to:


corticorubral tract and the dorsal columns


spinocerebellar tract, corticorubral tract and lateral spinothalamic tract


anterior spinothalamic tract and spinocerebellar tract


dorsal columns, spinocerebellar tract and corticospinal tract

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