Two Cases of Isolated Fracture of the Pisiform Bone

Isolated fractures of the pisiform bone are uncommon. We reported two cases of isolated fracture of the pisiform bone. The first case was a 40-year-old male, and the second case was a 24-year-old female. The second case showed the Guyon canal syndrome. Both cases were treated by open reduction and fixation with microscrew. Bony unions were otained in both cases. A few months after the operation both patients were asymptomatic.