Lesser Metatarsal Sesamoids

Description

Lesser metatarsal sesamoid of the fifth metatarsal head. Note medial hallucal sesamoid is bipartite

Description

• Sesamoids found along the 2nd through 5th metatarsals
• Appear embedded in the joint capsule
• Can be multiple or multipartite
• One of the accessory bones of the foot and ankle

Epidemiology

• Prevalence
  • Second (0.4%)
  • Third (0.2%)
  • Fourth (0.1)
  • Fifth (4.3%)

Imaging

• On radiographs, best seen on AP and oblique radiographs

Pathology

• Rare
• Infection from direct spread is possible

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Clinical Significance

• Needs to be updated

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See Also

• Foot Anatomy Main
• Physical Exam Foot
• Foot Pain Main

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References

[[[Category:Anatomy]]