Toes (sesamoid view)

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The sesamoid view of the toes is a specialized view examining the sesamoid bones of the first metatarsal.

Indications

This view provides a better profile of any fractures or dislocation of the sesamoid bones with their articulation at the first metatarsophalangeal joint .

Patient position

  • the patient may be supine or sitting upright with their leg straighten on the table
  • the foot is in dorsiflexion
  • the toes pulled back toward the patient 

Technical factors

  • axial projection
  • centering point
    • the base of the first metatarsal
  • collimation
    • laterally to the extent of the base of the first metatarsal
    • anteriorly mid distal first metatarsal 
    • posterior to the skin margin
  • orientation  
    • portrait
  • detector size
    • 24 cm x 30 cm
  • exposure
    • 50-60 kVp
    • 3-5 mAs
  • SID
    • 100 cm
  • grid
    • no

Image technical evaluation

  • both the sesamoid bones are free from any superimposition  

Practical points

Seldom requested, however technically simple to perform, offer the patient tape/string to help pull the toes back.