A rare case of an osteochondral lesion of the tarsal navicular with a subacute stress fracture in a high level athlete.

In this report, an osteochondral lesion of the tarsal navicular associated with a subacute stress fracture in a professional basketball player surgical treatment is presented. The surgical technique involved extra-articular curettage, bone grafting and plate stabilisation. Postoperative CT scan confirmed that both the osteochondral lesion and the stress fracture healed. The talonavicular joint showed no signs of arthritis on imaging. Clinical foot scores showed marked improvement after surgery. At 6 months patient managed to return to competitive play without pain in the foot and ankle. The outcome of this case indicates that the combination of curettage, bone grating and plate stabilisation works well for this rare and potentially career ending dual lesions.