1. Volar Buttress Plating for Dorsal Fracture-Dislocation of the Proximal Interphalangeal Joint With a Central Depressed Fragment: A Preliminary Report of 12 Cases 
Kentaro Watanabe, MD, PhD 
Journal of Hand Surgery Global Online 
Volume 1, Issue 2, Pages (April 2019)
DOI: /j.jhsg
Copyright © 2019 The Authors Terms and Conditions

2. Figure 1
Sagittal computed tomography image of a typical dorsal fracture-dislocation of the PIP joint with a central depressed fragment. *, Central depressed fragment, †, volar triangular fragment; M, middle phalanx; P, proximal phalanx.
Journal of Hand Surgery Global Online 2019 1, DOI: ( /j.jhsg )
Copyright © 2019 The Authors Terms and Conditions

3. Figure 2 Design of skin incision (red dashed line).
Journal of Hand Surgery Global Online 2019 1, DOI: ( /j.jhsg )
Copyright © 2019 The Authors Terms and Conditions

4. Figure 3
Illustrations of volar buttress plating procedure for typical dorsal fracture-dislocation of PIP joint with central depressed fragment. A Schemas showing reduction of dorsal fragment using a K-wire and volar exposure of fracture site. Red dashed line indicates incision for plate placement. B Schemas showing reduction of central depressed fragment using a small elevator and volar buttress plate placement using β-tricalcium phosphate granules. *, Central depressed fragment, †, volar triangular fragment with volar plate; FDP; flexor digitorum profundus; M, middle phalanx; P, proximal phalanx.
Journal of Hand Surgery Global Online 2019 1, DOI: ( /j.jhsg )
Copyright © 2019 The Authors Terms and Conditions

5. Figure 4
An 18-year-old patient who injured the index finger while playing baseball. A X-rays at injury. B X-rays 7 months after surgery. C Photographs showing range of motion of 110° at PIP joint and 70° at distal interphalangeal joint.
Journal of Hand Surgery Global Online 2019 1, DOI: ( /j.jhsg )
Copyright © 2019 The Authors Terms and Conditions