This site is intended for healthcare professionals

Sign in
Go to /sign-in page

You can view 5 more pages before signing in

Aetiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Spinal cord lesions at T1 level:

  • syringomyelia
  • compression of T1 segment due to cervical spondylosis, neurofibroma
  • tumour
  • motor neurone disease

Root lesions eg T1 compression by a disc lesion

Brachial plexus lesions:

  • trauma, irradiation, infiltration
  • thoracic outlet obstruction
  • Klumpke's paralysis

Peripheral nerve lesions:

  • median lesions, ulnar nerve lesions
  • peripheral motor neuropathy

Myopathy:

  • distal myopathy
  • myotonic dystrophy (forearms are more often affected than the hands)

Trophic disorders:

  • disuse eg arthritis
  • ischaemia eg vasculitis
  • shoulder-hand syndrome

Note that in discriminating an ulnar nerve lesion from a T1 root lesion remember that in a T1 root lesion there is no sensory loss that affects the hand.

Related pages

Create an account to add page annotations

Create a free account

Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.

The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

Connect

Copyright 2024 Oxbridge Solutions Limited, a subsidiary of OmniaMed Communications Limited. All rights reserved. Any distribution or duplication of the information contained herein is strictly prohibited. Oxbridge Solutions receives funding from advertising but maintains editorial independence.