An On-Top-Plasty Reconstruction for Complicated Radial Polydactyly.

Abstract

<b>Background:</b> The clinical presentation of radial polydactyly can vary greatly. Careful planning and appreciation of the anatomic subtleties provides alternative surgical options to improve patient outcomes. <b>Methods:</b> We present a case of a well-formed accessory web space thumb and a hypoplastic primary thumb. <b>Results:</b> Rather than excising the accessory digit, we performed a spare-part, on-top-plasty reconstruction to replace the diminutive distal phalanx of the primary thumb. <b>Conclusions:</b> This novel case applied the principle of spare-part surgery to reconstruct a more aesthetic and functional reconstructed digit.