PMC8447902_01
Preoperative computed tomography scan revealing the scope of the lesion. This was essential in identifying the small bone fragments separated from the fracture.
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F1
A computed tomography (CT) scan revealed the scope of the lesion and was essential in identifying the small bone fragments separated from the fracture (Figure 1).
The process of manufacturing of the prosthesis. The three-dimensional model of the clavicle was developed using the digital imaging and communication in medicine format, and image segmentation was performed using the Mimics software (Materialize NV).
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F2
The 3D model of the clavicle was developed using the digital imaging and communication in medicine format, and image segmentation was performed using the Mimics software (Materialize NV) (Figure 2).
Titanium design of the lateral half of the clavicle. The size of the prosthesis corresponded to that of the lost portion of the clavicle, and the prosthesis had a porous structure to reduce the modulus.
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F3
The prosthesis was structured from mesh and 2 holes on the medial part of both sides to reduce the modulus. The surface of the prosthesis was polished without any coating (Figure 3).
Finite element analysis. A comparison of the stresses predicted and the load location suggest that the results could be in the same range.
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F4
Thus, a comparison of the stresses predicted and the load location by finite element analysis suggested that the results could be in the same range (Figure 4).
Implantation of the prosthesis. The prosthesis was fixed with the remaining normal portion of the clavicle using a press fit, and the entire prosthesis was filled with a synthetic bone substitute.
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F5
The prosthesis was fixed with the remaining normal portion of the clavicle using a press fit, and the entire prosthesis was filled with a synthetic bone substitute (Figure 5).
Postoperative computed tomography scan 6 months after the operation revealed a good position for the prosthesis and no evidence of a stress fracture.
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F6
The CT scan 6 months after the operation (Figure 6) revealed a good position for the prosthesis and no evidence of a stress fracture.
Postoperative radiograph at 2-year follow-up revealed a good position of the prosthesis.
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F7
A radiographic examination at 2-year follow-up (Figure 7) revealed a good position of the prosthesis and no bony changes found.