Complex Metacarpophalangeal Joint Dislocation of the Index Finger in Pediatric Age: A Case Report and Review of Literature.

INTRODUCTION: Metacarpophalangeal (MCP) joint dislocation is a rare occurrence in the pediatric population. A few case reports are available globally. Understanding of anatomy of the MCP joint is necessary for the surgical approach. We report a case of complex volar MCP joint dislocation in a pediatric patient.

CASE REPORT: We report a 13-year-old male child with traumatic dislocation of the MCP joint of the index finger. It was a complex volar dislocation that was surgically treated via a dorsal approach. On 6-month follow-up, child regained an almost normal range of motion at the MCP joint with a good functional outcome.

CONCLUSION: Complex MCP joint dislocation often needs open reduction. Out of the two described surgical approaches, we preferred the dorsal approach which allowed proper visualization of the volar plate and avoided risks to neurovascular bundles. Early management and early mobilization provide good functional outcomes.