Os Supranaviculare

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Description

Os Supranaviculare

Accessory bones: Os Intermetatarseum, Os Supranaviculare, Os Naviculare, Os Supratalare, Os Vesalianum, Os Peroneum, Os Calcaneus Secundarium, Os Trigonum

Name

• Os Supranaviculare
• Piries bone
• Talonavicular Dorsale
• Dorsal Talonavicular Ossicle
• Pirie's Bone
• Talonavicular Dorsal Ossicle
• Os Talonaviculare Dorsale

General

• Accessory ossicle located at the proximal, dorsal aspect of the navicular or talonavicular joint
• One of the accessory bones of the foot and ankle

Epidemiology

• Present in ~1% of the population (need citation)

Pathology

• Rarely of clinical importance

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Clinical Significance

• Usually an incidental radiographic finding and asymptomatic
• May occasionally cause dorsal midfoot pain, especially in athletes

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See Also

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

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