case_images: PMC6139003_01
case_images: Antero-posterior and lateral x-ray view of the patient's left knee. Please note the cystic lesion in the proximal tibial metaphysis.
case_images: gr1.jpg
case_images: PMC6139003_01_gr1.jpg
case_images: fig0005
case_images: Lower limb x-rays were performed and the radiographic examination revealed a well demarcated cystic structure in her left tibia, 4 cm below the distal tibial component of the knee arthroplasty (Fig. 1).
case_images: Periprosthetic pathologic fracture of the left tibia. An osteolytic pattern due to an evolved Hydatid Cyst is visible.
case_images: gr2.jpg
case_images: PMC6139003_01_gr2.jpg
case_images: fig0010
case_images: X-ray studies revealed a pathologic periprosthetic fracture, below the tibial component, resulting from an extension of the previously treated hydatic cyst (Fig. 2).
case_images: Lateral x-ray view of the total knee arthroplasty of the left knee. Extensive bone destruction is present in the proximal tibia. Loosening signs of the femoral component are present.
case_images: gr3.jpg
case_images: PMC6139003_01_gr3.jpg
case_images: fig0015
case_images: Both of the total knee arthoplasty components exhibited signs of loosening (Fig. 3), and after extraction of them, a total revision knee arthroplasty was performed (Fig. 4).