case_images: PMC9302012_01
case_images: (A) Plain AP view of the hand, bone lysis and periosteal reaction are visible on the proximal phalanx of the fourth ray. G Left side (in French: Gauche). (B) Plain lateral view of the hand. G Left side (in French: Gauche)
case_images: ICRP_A_2099864_F0001_B.jpg
case_images: PMC9302012_01_ICRP_A_2099864_F0001_B.jpg
case_images: F0001
case_images: Standard radiographs revealed bone lysis and periosteal reaction suggestive of malignant evolution of the previous lesion's remnants into chondrosarcoma (Figures 1a and b).
case_images: Plain AP view of the hand after amputation of the fourth ray, as per the modified Le Viet technique. G Left side (in French: Gauche).
case_images: ICRP_A_2099864_F0002_B.jpg
case_images: PMC9302012_01_ICRP_A_2099864_F0002_B.jpg
case_images: F0002
case_images: The patient then underwent tumor resection with amputation of the fourth ray at the base of the metacarpal, as per the modified Le Viet technique (Figure 2).
case_images: Palmar view of the hand after transcarpal amputation.
case_images: ICRP_A_2099864_F0003_C.jpg
case_images: PMC9302012_01_ICRP_A_2099864_F0003_C.jpg
case_images: F0003
case_images: Transcarpal amputation was performed, and only the first two rays of the hand were preserved (Figure 3).
case_images: (A) Palmar view of the hand after the defect was covered with a posterior interosseous flap. (B) Dorsal view of the forearm with the donor site.
case_images: ICRP_A_2099864_F0004_C.jpg
case_images: PMC9302012_01_ICRP_A_2099864_F0004_C.jpg
case_images: F0004
case_images: The defect was covered with a posterior interosseous flap (Figures 4a and b).
case_images: (A) The key pinch test with a thumb-index force at 5.5 kg. (B) The Jamar hand dynamometer with a grip force of 10 kg. (C) The pincer grasp of the patient.
case_images: ICRP_A_2099864_F0005_C.jpg
case_images: PMC9302012_01_ICRP_A_2099864_F0005_C.jpg
case_images: F0005
case_images: The thumb-index force was 5.5 kg and the wrist was capable of generating a force of 10 kg (Figure 5a-c).