Complete dislocation of the polyethylene inlay after internal hemipelvectomy and individually fitted tumor endoprosthesis |
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Authors: | Lichtinger T K Lederer M Müller R T |
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Affiliation: | Orthop?dische Universit?tsklinik Essen. |
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Abstract: | We report about an exceptional complication after internal hemipelvectomy and replacement of the defect with a custom-made endoprosthesis. A complete luxation of the PE-inlay out of the metal cup occurred. Radiologically we assumed a luxation of the femoral head in dorsal direction. Revision after a failed attempt of closed reposition showed a complete luxation of the inlay, which was caused by deficient fixation in the acetabular component. The absence of a contrast wire in the PE-inlay delayed the right diagnosis and made it difficult to find the dislocated inlay in the large wound. |
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