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What can cause a boutonniere deformity?

A boutonnière deformity is commonly caused by a forceful blow to a bent finger, causing a rupture of the extensor tendon at that portion of the finger.  A physician can determine treatment options based on the specific nature of your injury.

(This answer provided for NATA by the Indiana University Athletic Training Education Program)

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.