Osteochondral lesion of talus with gout tophi deposition: A case report

Figure 1 The osteochondral lesion of talus of left ankle was found on medial talar dome (A and B).

Figure 2 T1-weighted images of ankle magnetic resonance image. Osteochondral lesion of the talus in medial talar dome is seen in axial (A), coronal (B), and sagittal view (C).

Figure 3 Images of arthroscope were taken during operation. A: Ankle arthroscopic findings shows tophaceous lesion in the ankle joint; B: Tophaceous lesion was removed. C: Osteochondral defect was checked; D: Microfracture was perfomed.

Figure 4 The histologic findings show fragments of fibrocollagenous tissue with cystic myxoid degeneration.

Figure 5 Postoperative uric acid level had decreased gradually.

Figure 6 Covered osteochondral lesion was seen on standing AP and lateral ankle X-ray images at 1. 5 years after operation (A and B).