PMC7859265_01
Sagittal CT view (A) and lateral radiograph (B) of the right patella showing the combination of the acute fracture and longstanding nonunion.
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When we first saw him, plain radiographs and a CT of his right knee were obtained (Figure 1). A figure-of-eight 1 mm steel cerclage wire was then placed through these two 4.7 mm screws, twined, and tightened.
Plain AP and lateral radiographs at 3 months follow-up showing a healed patella.
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AP and lateral radiographs after hardware removal.
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The patella had solidly healed with an excellent function (Figure 3).
AP and lateral radiographs of the left patella showing an avulsion fracture of the inferior patella pole.
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Eight months later the patient was diagnosed with an avulsion fracture of the inferior pole of the left patella (Figure 4) for which he underwent suture fixation at an outside hospital.
Sagittal CT view (A) and lateral radiograph (B) of the left patella showing an avulsion fracture of the superior patella pole.
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Nine months later he fell off a barstool and sustained an avulsion of the quadriceps tendon of the superior pole of the left patella (Figure 5) in addition to a right ankle fracture dislocation.
AP and lateral radiographs showing a transverse fracture of the left patella.
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Seven months later he again fell off a chair and was diagnosed with a transverse fracture of the left patella (Figure 6).
AP and lateral radiographs at 3 months, showing healing of the transverse left patella fracture.
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At 3 months follow up his left patella fracture had healed in anatomic position (Figure 7), with a good functional outcome (for a chronologic overview of his traumatic knee lesions see Figure 8).
Chronological overview of the patient's traumatic knee lesions and treatment.
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At 3 months follow up his left patella fracture had healed in anatomic position (Figure 7), with a good functional outcome (for a chronologic overview of his traumatic knee lesions see Figure 8).