Clavicle (AP view)

Mr Andrew Murphy et al.

The clavicle AP view is a standard projection part of the clavicle series. The projection demonstrates the shoulder in its natural anatomical position allowing for adequate radiographic examination of the entire clavicle, as well as the acromioclavicular and sternoclavicular joints of the shoulder girdle.  

  • patient is preferably erect
  • midcoronal plane of the patient is parallel to the image receptor, in other words, the patient's back is against the image receptor
  • the clavicle of the affected side is at the centre of the image receptor
  • affected arm is in a neutral position by the patient side
  • anteroposterior projection
  • centring point
    • mid clavicle  
  • collimation
    • superior to the skin margins
    • inferior to include mid scapula 
    • lateral to include the skin margin
    • medial to include the sternoclavicular joint
  • orientation  
    • landscape
  • detector size
    • 18 cm x 24 cm
  • exposure
    • 60-70 kVp
    • 10-18 mAs
  • SID
    • 100 cm
  • grid
    • yes (this can vary departmentally)
  • the entire clavicle is visual alongside the glenoid cavity and scapular in the AP position
  • a slight overlap of the humeral head with the glenoid

The technical factors of this examination are not particularly demanding, and there is not much room for positioning error other than over or under rotation. 
Just ensure there is no overlap of the clavicle due to over rotation. 

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Article Information

rID: 46497
Section: Radiography
Tags: refs, snippets
Synonyms or Alternate Spellings:

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    Figure 1: normal clavicle radiographs
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