Spastic paraparesis
Incidental findings Fasciculation
+ve signs ↑Tone lower limbs, ↓power, hyper-reflexia, clonus
Differential diagnosis As below
Function Walking aids, bladder involvment - catheter
Tests FBC – anaemia; ESR – infection
Vitamin B12 level, syphilis serology, PSA
Urgent MR spine
Causes
Cord damage: trauma, OA, spinal met
MS
MND
Cord tumour
Friedreich’s ataxia
B12 deficiency
(Parasagital meningioma)
Extensions

  • Observe gait – if patient can ambulate
  • Find sensory level
  • Check for cerebellar signs (Freidreich’s ataia)
  • Check sacral sensation
  • Examine spine
Notes

  • Other causes: Hereditary spastic paraplegia, tropical spastic paraplegia, anterior spinal artery occlusion
  • Knee jerk = L4, Ankle jerk = S1