WordNet

a deformity in which there is an abnormal displacement of part of a limb away from the midline of the body
surgical sectioning of bone

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Cementless total hip arthroplasty for patients previously treated with femoral osteotomy for hip dysplasia: the incidence of periprosthetic fracture.

Ohishi M1, Nakashima Y2, Yamamoto T1, Motomura G1, Fukushi JI1, Hamai S1, Kohno Y1, Iwamoto Y1.
International orthopaedics.Int Orthop.2015 Sep 19. [Epub ahead of print]
PURPOSE: Femur deformities can make stem fixation difficult in total hip arthroplasty (THA). We report the clinical results of cementless THA using a press-fit stem in patients who had previously undergone femoral osteotomy for hip dysplasia.METHODS: The subjects included 66 hips in 64 patients, wit
PMID 26384984

Periacetabular osteotomy restores the typically excessive range of motion in dysplastic hips with a spherical head.

Steppacher SD1, Zurmühle CA, Puls M, Siebenrock KA, Millis MB, Kim YJ, Tannast M.
Clinical orthopaedics and related research.Clin Orthop Relat Res.2015 Apr;473(4):1404-16. doi: 10.1007/s11999-014-4089-5.
BACKGROUND: Residual acetabular dysplasia is seen in combination with femoral pathomorphologies including an aspherical femoral head and valgus neck-shaft angle with high antetorsion. It is unclear how these femoral pathomorphologies affect range of motion (ROM) and impingement zones after periaceta
PMID 25488403

Head reduction osteotomy with additional containment surgery improves sphericity and containment and reduces pain in Legg-Calvé-Perthes disease.

Siebenrock KA1, Anwander H, Zurmühle CA, Tannast M, Slongo T, Steppacher SD.
Clinical orthopaedics and related research.Clin Orthop Relat Res.2015 Apr;473(4):1274-83. doi: 10.1007/s11999-014-4048-1.
BACKGROUND: Severe femoral head deformities in the frontal plane such as hips with Legg-Calvé-Perthes disease (LCPD) are not contained by the acetabulum and result in hinged abduction and impingement. These rare deformities cannot be addressed by resection, which would endanger head vascularity. Fe
PMID 25384430