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Case Report

Hip Pelvis 2013; 25(3): 220-225

Published online September 1, 2013

https://doi.org/10.5371/hp.2013.25.3.220

© The Korean Hip Society

Liner Dissociation by Extrusion of the Acetabular Cup Fixation Screw after Total Hip Replacement : Two Cases Report

Yoo-Sun Jeon, MD*, Deuk-Soo Hwang, MD, Chan Kang, MD, Pil-Sung Kim, MD†, Jung-Mo Hwang, MD, Jae-Hwang Song, MD

Author Affiliations
Department of Orthopaedic Surgery, Chungnam National University School of Medicine, Daejeon, Korea
Department of Orthopedic Surgery, Busan Bumin Hospital, Busan, Korea*
Department of Orthopedic Surgery, Seoul Bumin Hospital, Seoul, Korea†

Correspondence to : Deuk-Soo Hwang, MD
Department of Orthopedic Surgery, Chungnam National University School of Medicine, 33 Munwha-ro, Jung-gu, Daejeon 301-846, Korea
TEL: +82-42-280-7350 FAX: +82-42-252-7098
E-mail: dshwang@cnu.ac.kr

Received: April 17, 2013; Revised: August 29, 2013; Accepted: August 29, 2013

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

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This is a report of 2 cases that showed dissociation of the acetabular cup liner by acetabular fixation screw among patients who underwent total hip replacement. Screws for fixation of the acetabular cup were used during the primary surgery in both cases. Each patient visited the out patient department complaining of pain and noise from the joint; radiologic finding revealed a collapse of the column shape bone graft area with dissociation of the acetabular cup liner. In both cases, during revision surgery, screw was extruded to the inner side of the acetabular cup, since it migrated superiorly. There has been no report of liner dissociation by extrusion of acetabular cup fixation screw after total hip replacement. Therefore, we report two cases of dissociation of the acetabular cup liner of hip arthroplasty, which occurred due to screw issues after total hip replacement with structural autogenous bone graft.

Keywords Total hip replacement, Screw, Acetabular cup liner, Dissociation

Article

Case Report

Hip Pelvis 2013; 25(3): 220-225

Published online September 1, 2013 https://doi.org/10.5371/hp.2013.25.3.220

Copyright © The Korean Hip Society.

Liner Dissociation by Extrusion of the Acetabular Cup Fixation Screw after Total Hip Replacement : Two Cases Report

Yoo-Sun Jeon, MD*, Deuk-Soo Hwang, MD, Chan Kang, MD, Pil-Sung Kim, MD†, Jung-Mo Hwang, MD, Jae-Hwang Song, MD

Department of Orthopaedic Surgery, Chungnam National University School of Medicine, Daejeon, Korea
Department of Orthopedic Surgery, Busan Bumin Hospital, Busan, Korea*
Department of Orthopedic Surgery, Seoul Bumin Hospital, Seoul, Korea†

Correspondence to:Deuk-Soo Hwang, MD
Department of Orthopedic Surgery, Chungnam National University School of Medicine, 33 Munwha-ro, Jung-gu, Daejeon 301-846, Korea
TEL: +82-42-280-7350 FAX: +82-42-252-7098
E-mail: dshwang@cnu.ac.kr

Received: April 17, 2013; Revised: August 29, 2013; Accepted: August 29, 2013

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This is a report of 2 cases that showed dissociation of the acetabular cup liner by acetabular fixation screw among patients who underwent total hip replacement. Screws for fixation of the acetabular cup were used during the primary surgery in both cases. Each patient visited the out patient department complaining of pain and noise from the joint; radiologic finding revealed a collapse of the column shape bone graft area with dissociation of the acetabular cup liner. In both cases, during revision surgery, screw was extruded to the inner side of the acetabular cup, since it migrated superiorly. There has been no report of liner dissociation by extrusion of acetabular cup fixation screw after total hip replacement. Therefore, we report two cases of dissociation of the acetabular cup liner of hip arthroplasty, which occurred due to screw issues after total hip replacement with structural autogenous bone graft.

Keywords: Total hip replacement, Screw, Acetabular cup liner, Dissociation

H&P
Vol.36 No.1 Mar 01, 2024, pp. 1~75
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