case_images: PMC10823807_01
case_images: (a) Pre-operative anteroposterior X-ray of the right hand. (b) Pre-operative lateral X-ray of the right-hand showing dislocation of the 2nd MCP joint.
case_images: JOCR-14-141-g002.jpg
case_images: PMC10823807_01_JOCR-14-141-g002.jpg
case_images: F2
case_images: Conventional plain-film X-ray imaging performed in the emergency department shows a dorsal dislocation of the right index finger at that level of the MCP joint, without any fracture or osteochondral lesion (Fig. 2a and b).
case_images: Intraoperative photograph showing the Kaplan Lesion.
case_images: JOCR-14-141-g003.jpg
case_images: PMC10823807_01_JOCR-14-141-g003.jpg
case_images: F3
case_images: Intraoperative images (Fig. 3) depicted a typical presentation of a MCP joint dislocation, consistent with the illustrations of Kaplan, with the metacarpal head dislocated volarly and trapped between the flexor and lumbrical tendons through the volar plate.
case_images: (a) Intraoperative anteroposterior fluoroscopy. (b) Intraoperative lateral fluoroscopy showing the reduced MCP joint.
case_images: JOCR-14-141-g004.jpg
case_images: PMC10823807_01_JOCR-14-141-g004.jpg
case_images: F4
case_images: C-arm fluoroscopy images show a reduction of the MCP joint (Fig. 4a and b).
case_images: Immobilization.
case_images: JOCR-14-141-g005.jpg
case_images: PMC10823807_01_JOCR-14-141-g005.jpg
case_images: F5
case_images: Following this initial immobilization, the patient was permitted unrestricted movement of the right hand and index finger (Fig. 5).
case_images: Photographs at 4 weeks follow-up: (a) "Ok Sign" and (b) maximal flexion.
case_images: JOCR-14-141-g006.jpg
case_images: PMC10823807_01_JOCR-14-141-g006.jpg
case_images: F6
case_images: Pulp to palm distance was 0 centimeter, and range of motion in the right index finger was almost fully restored compared to the uninjured side (Fig. 6a and b).