Background: Complications from closed treatment in children are rare but can include growth disturbances and deformities. This case report presents a unique, post-traumatic growth deformity in the distal radius, where the extensor carpi radialis brevis tendon developed an interosseous course.
Case Presentation: A 49-year-old Caucasian male presented with chronic, dull pain in the radiodorsal aspect of the right wrist, worsened by weightbearing and terminal flexion and extension.