Scaphoid Fracture Nonunion Due to Interposition of a Radial Styloid Fracture Fragment

We propose that this situation may represent an incomplete injury pattern similar to transstyloid transscaphoid perilunate fracture dislocation. Mechanisms such as wrist ulnar deviation and extension followed by radial deviation may contribute to this complication. CT scans are valuable in assessing fragment interposition that causes extreme flexion of the proximal pole. This case highlights the importance of thorough evaluation in similar injuries to optimize outcomes.