title: Aseptic necrosis: an unusual cause of silastic (Swanson) implant failure. A case report.
mesh_terms: D006214:Hallux / Q000473:pathology / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010020:Osteonecrosis / Q000150:complications*; D011183:Postoperative Complications; D019736:Prostheses and Implants; D012826:Silicone Elastomers
chemical_list: D012826:Silicone Elastomers