case_images: PMC8179796_01
case_images: CT scans indicated osteolytic destruction of the talus. (A). Axial image. (B). Sagittal image.
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case_images: Computed tomography (CT) showed that the left talar body was invaded and had a lytic lesion, which was vulnerable to pathologic fracture (Figure 1).
case_images: Detailed operative procedures. (A). Puncture needle was knocked into the talar body. (B). The puncture needle reached the area adjacent to the contralateral cortical bone. (C). A fine drill was used to expand the capacity in all directions. (D). The talar body was gradually filled with PMMA. (PMMA, polymethyl methacrylate).
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case_images: The detailed operative procedure was as follows (Figure 2).
case_images: Postoperative X-ray images indicated that the talar body was evenly filled with PMMA. (A). Ankle image from anteroposterior view. (B). Ankle image from lateral view. (PMMA, polymethyl methacrylate).
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case_images: Postoperative X-rays showed that the talar body was filled with bone cement without leakage (Figure 3).
case_images: Postoperative histopathological photos confirmed that the lesion originated from renal clear cell carcinoma. (A). magnification X 40, hematoxylin and eosin stain. (B). magnification X 200, hematoxylin and eosin stain.
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case_images: The final pathological result confirmed metastasis originating from renal clear cell carcinoma (Figure 4).