case_images: PMC9542568_01
case_images: Plain radiographs of the left hand of a 39-year-old male of Amish descent with congenital proximal symphalangism demonstrating bony fusion of the second through fourth PIP joints and camptoclinodactyly of the fifth DIP joint.
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case_images: PMC9542568_01_ICRP_A_2123808_F0001_B.jpg
case_images: F0001
case_images: Radiographs of his bilateral hands revealed complete bony ankylosis in extension of the PIP joints in his bilateral second through fourth digits (Figure 1).
case_images: Plain radiographs of the left fourth digit reveal cortical irregularity at the level of the fused PIP joint (arrows) and adjacent soft tissue swelling.
case_images: ICRP_A_2123808_F0002_B.jpg
case_images: PMC9542568_01_ICRP_A_2123808_F0002_B.jpg
case_images: F0002
case_images: Radiographs of the affected left ring finger revealed persistent cortical irregularity in the region of the fused PIP joint with mild, adjacent soft tissue swelling, consistent with a subacute fracture (Figure 2).
case_images: Plain radiographs of the left ring finger after 6 weeks immobilization demonstrating mature trabecular bridging across the PIP joint.
case_images: ICRP_A_2123808_F0003_B.jpg
case_images: PMC9542568_01_ICRP_A_2123808_F0003_B.jpg
case_images: F0003
case_images: Radiographs revealed mature trabecular bridging across the fracture with restoration of the congenital bony fusion (Figure 3).