Trapezium Secundarium

Description

Name

• Trapezium Secundarium
• Os Trapezium Secundarium
• Secondary trapezium

General

• Accessory ossicle of the wrist
• Seen adjacent and superomedial to the tubercle of the trapezium

Embryology

• One of four potential secondary ossification centers lying around the primary ossification center of the trapezium

Radiographic Findings

• Best seen sitting between the 12st/2nd metacarpal bases on lateral/oblique hand radiographs

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Clinical Significance

• Needs to be updated

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See Also

• Hand And Wrist Anatomy
• Physical Exam Hand
• Wrist Pain Main

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