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(a) Preoperative anteroposterior and lateral radiographs of a patient with a right total knee periprosthetic joint infection. (b) Postoperative radiographs of a right knee after placement of an articulating antibiotic spacer. Note that cruciate-retaining components were used, as the patient had a functional posterior cruciate ligament. Absorbable antibiotic beads (STIMULAN; Biocomposites, Wilmington, NC) can also be appreciated.
