Article Text

Download PDFPDF
Traumatic upper limb weakness in a man with type 1 neurofibromatosis
  1. Esther Shu-Ting Ng1,
  2. Cheng Kang Ong2,
  3. Einar Wilder-Smith1
  1. 1Department of Medicine, National University Singapore, Singapore
  2. 2Department of Diagnostic Imaging, National University Health System, Singapore
  1. Correspondence to Professor Einar Wilder Smith, Spinal Injury Centre, Universitaetsklinikum Heidelberg, D-69118 Heidelberg, Germany; mdcwse{at}

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.

A 37-year-old right-handed man presented with left arm weakness 4 months after a shoulder trauma, which was caused by somebody landing on him while swimming. There was initial left upper limb numbness and neck pain radiating to the left back with subsequent weakness of shoulder movement. He had type 1 neurofibromatosis (NF-1) with skin manifestations but no known neurological complication.

On examination, power of shoulder abduction, flexion and extension and elbow flexion on the left was 2 (Medical Research Council grade), shoulder elevation was 4+ and there was moderate scapular winging. Power of all other muscle groups was 5. Left biceps and triceps reflexes were decreased. Sensation was normal as was the rest of the neurological examination.

Nerve …

View Full Text


  • Competing interests None.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.