case_images: PMC6968647_01
case_images: (a) X-ray (anteroposterior view) of the right hand, showing the displaced pisiform fracture. (b) X-ray (lateral view) of the right hand, showing the displaced pisiform fracture.
case_images: ICRP_A_1522959_F0001_B.jpg
case_images: PMC6968647_01_ICRP_A_1522959_F0001_B.jpg
case_images: F0001
case_images: He also had a left closed undisplaced scaphoid fracture and a right pisiform fracture (Figure 1(a,b)).
case_images: (a) X-ray (anteroposterior view) of the right hand after an unsuccessful manual closed reduction. (b) X-ray (lateral view) of the right hand after an unsuccessful manual closed reduction.
case_images: ICRP_A_1522959_F0002_B.jpg
case_images: PMC6968647_01_ICRP_A_1522959_F0002_B.jpg
case_images: F0002
case_images: Post-reduction radiographs did not show satisfactory alignment (Figure 2(a,b)).
case_images: Decompression of the ulnar nerve. The proximally displaced fragment of the pisiform is indicated by the scalpel.
case_images: ICRP_A_1522959_F0003_C.jpg
case_images: PMC6968647_01_ICRP_A_1522959_F0003_C.jpg
case_images: F0003
case_images: Intraoperatively, the ulnar nerve was found to be in continuity and contused over the fracture site at zone 1, proximal to the bifurcation of the ulnar nerve (Figure 3).
case_images: (a) X-ray (anteroposterior view) of the right hand before complete excision and removal of the comminuted pisiform. (b) X-ray (lateral view) of the right hand after complete excision and removal of the comminuted pisiform.
case_images: ICRP_A_1522959_F0004_B.jpg
case_images: PMC6968647_01_ICRP_A_1522959_F0004_B.jpg
case_images: F0004
case_images: The distal and proximal fragments of the pisiform were removed, and the Guyon canal was decompressed (Figure 4(a,b)).