Difference between revisions of "X-ray of shoulder impingement"

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Also look for common differential diagnoses or worsening factors of shoulder impingement:
 
Also look for common differential diagnoses or worsening factors of shoulder impingement:
*'''Osteoarthritis'''. See severity grading at [[X-ray of osteoarthritis of the shoulder|X-ray of osteoarthritis of the shoulder]]
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*'''Osteoarthritis'''. For severity grading, see [[X-ray of osteoarthritis of the shoulder|X-ray of osteoarthritis of the shoulder]]
 
*Presence of any '''calcifications''' in the supraspinatus tendon, which indicates a differential diagnosis of calcific tendonitis.
 
*Presence of any '''calcifications''' in the supraspinatus tendon, which indicates a differential diagnosis of calcific tendonitis.
 
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Revision as of 17:43, 3 December 2018

Author: Mikael Häggström [notes 1]

Planning

X-ray of the shoulder that should include:

  • Frontal with and without external rotation of the shoulder
  • Scapular outlet view

Evaluation

File:Subacromial space on outlet view X-ray.jpg
Supraspinatus outlet view X-ray, showing subacromial space measurement, and an acromial spur.
  • Measurement of the subacromial space. This is normally in shoulder radiographs is 9–10 mm; this space is significantly greater in men, with a slight reduction with age.[1] In middle age, a subacromial space less than 6 mm is pathological.[1]
  • Presence of any acromial spur

Also look for common differential diagnoses or worsening factors of shoulder impingement:

  • Osteoarthritis. For severity grading, see X-ray of osteoarthritis of the shoulder
  • Presence of any calcifications in the supraspinatus tendon, which indicates a differential diagnosis of calcific tendonitis.

Report

  • Either normal subacromial space, or a decrease thereof, with measurement of the space.
  • Presence or absence of an acromial spur.
See also: General notes on reporting

Notes

  1. For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.

References

  1. 1.0 1.1 Claes J. Petersson & lnga Redlund- Johnell (1984). "The subacromial space in normal shoulder radiographs ". Acta Orthop Scanda 55 (1): 57–8. PMID 6702430.