×
MedSchool: Ace Your OSCEsThe Medical Company
 
 
 
 
 
GET - On the App Store
View
Lower Limb Neuro
 
 

Sensory Assessment

 
 
 
Bookmark

Overview

  • Sensory Modalities

  • Dorsal column pathway - proprioception and vibration sensation; soft touch
  • Spinothalamic pathway - pain and temperature sensation; soft touch
  • Causes of Sensory Loss

  • Central Nervous System

  • Brain lesion - ischaemia, haemorrhage, tumour, trauma, encephalitis, vasculitis, demyelination
  • Spinal cord lesion - infarct, haemorrhage, abscess, transverse myelitis
  • Peripheral Nervous System

  • Nerve root pathology - trauma, radiculopathy, neoplasm
  • Brachial plexopathy - trauma, tumour, brachial neuritis
  • Focal peripheral nerve pathology - trauma, entrapment, focal ischaemia, sarcoidosis, tumour
  • Mononeuritis multiplex - vasculitis, diabetic neuropathy, Lyme disease, leprosy, paraneoplastic, amyloidosis, sarcoidosis
  • Peripheral polyneuropathy - diabetic neuropathy, hypothyroidism, B12 deficiency, alcohol, paraneoplastic, Guillain-Barre, CIDP
  • Other

  • Poor compliance with examination
  • Interpretation

  • Sensory loss affecting an entire limb or entire side - likely due to central pathology
  • Sensory loss affecting a single dermatome  - likely due to spinal nerve root pathology
  • Sensory loss affecting a single peripheral nerve distribution - likely due to a focal peripheral nerve palsy
  • Sensory loss affecting multiple peripheral nerve distributions - potentially due to a brachial plexus lesion, or mononeuritis multiplex
  • Distal sensory loss (glove and stocking distribution) - suggests a peripheral polyneuropathy
  • Isolated dorsal column loss (impaired proprioception and vibration sensation with intact pain and temperature sensation) - suggests peripheral demyelination, e.g. Guillain-Barre, CIDP
Next Page
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Want more info like this?
  • Your electronic clinical medicine handbook
  • Guides to help pass your exams
  • Tools every medical student needs
  • Quick diagrams to have the answers, fast
  • Quizzes to test your knowledge
Sign Up Now
   
 
 

Snapshot: Initialising...