Simultaneous Opponensplasty and Free Gracilis Muscle Flap for Thenar Reconstruction after Arteriovenous Malformation Resection

We report the case of a thenar eminence arteriovenous malformation presenting with continuous growth and pain that was USB 2.0 to Serial treated with surgical excision after embolization.Extracapsular resection compromised thenar muscles which function was reconstructed with extensor indicis proprius transfer for opposition and abduction, and neurotized free gracilis muscle flap for opposition and Peppermint adduction, as well as thenar eminence reconstruction.