PMC9807314_01
Preoperative anteroposterior X-ray of the right hip.
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THA, multiple dislocations, and recurrent periprosthetic joint infection of the right hip. This patient presented to the clinic in May 2019 with right thigh pain with activity (Figure 1).
Anteroposterior X-ray of the right hip with antibiotic spacers.
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The first stage was performed in October 2019 (Figure 2).
Anteroposterior X-ray of the right hip after reimplantation before fixation.
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Three months later, resolution of the infection was confirmed with negative imaging findings, ESR of 17 mm/hour, CRP of 7.8 mg/L, synovial cell count of 852, negative leukocyte esterase, negative alpha defensins, and negative bacterial cultures (Figure 3).
Anteroposterior X-ray of the right hip after reimplantation with fixation.
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The second stage revision was performed in January 2020, and the patient was discharge home in 4 days after the operation with a stable hemoglobin after an uneventful hospital course (Figure 4).
Computed tomography scan for right thigh swelling, revealing a 11.5 cm anteroposterior x 11 cm mediolateral x 33 cm craniocaudal hematoma.
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A computed tomography (CT) scan revealed a large hematoma 11.5 cm anteroposterior x 11 cm mediolateral x 33 cm craniocaudal on the lateral thigh (Figure 5).
Pseudoaneurysm appreciated on the posterolateral aspect of the femur.
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During hematoma evacuation, a large 3 cm x 5 cm x 3 cm pulsatile mass was found at the posterolateral aspect of the implant bone interface of the proximal femur (Figures 6 and 7).
A close-up image of the pseudoaneurysm from Figure 6.
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During hematoma evacuation, a large 3 cm x 5 cm x 3 cm pulsatile mass was found at the posterolateral aspect of the implant bone interface of the proximal femur (Figures 6 and 7).
A bone fragment found in close proximity to the pseudoaneurysm.
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Additionally, a sharp bone fragment (Figure 8) was found in close proximity to the pseudoaneurysm.