Synthetic ossicular replacements: normal and abnormal CT appearance.


Twenty-two patients with synthetic ossicular replacements were studied with computed tomography (CT). Twelve patients had total ossicular replacement prostheses (TORPs), and ten patients had partial ossicular replacement prostheses (PORPs). Good results were achieved in 12 patients (eight with TORPs and four with PORPs). Four of these prostheses were clearly visible on CT scans, six were discernible, and two were not identified. In the ten patients with unsatisfactory surgical results, CT was performed before surgical revision. It disclosed subluxation of the prosthesis in four patients and fibrous tissue fixation in four. In two patients the CT scan appeared normal; surgery disclosed lateralization of the graft with a nonfunctioning interface.


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@article{Swartz1987SyntheticOR, title={Synthetic ossicular replacements: normal and abnormal CT appearance.}, author={Joel D. Swartz and Adam S Berger and Seth Zwillenberg and DM Granoff and G L Popky}, journal={Radiology}, year={1987}, volume={163 3}, pages={766-8} }