title: Metal-on-metal bearings, inflammatory pseudotumours and their neurological manifestations.
abstract: Metal-on-metal bearings have become more popular for hip arthroplasty in younger patients in the last 15 years. We present a review of the neurological consequences relating to such bearing surfaces illustrated by an appropriate case report. The mechanisms of increased metal ion production and pseudotumour formation are discussed. If unexplained neurology, hip/groin pain or a localised mass around the hip are present with a metal bearing hip then urgent referral to a specialist orthopaedic surgeon is warranted for consideration of exchange arthroplasty.
authors.affiliation: Royal National Orthopaedic Hospital, Stanmore, Middlesex, UK.
authors.forename: Bhupinder S
authors.initials: BS
authors.lastname: Mann
authors.forename: Paul M
authors.initials: PM
authors.lastname: Whittingham-Jones
authors.forename: Daniel A
authors.initials: DA
authors.lastname: Shaerf
authors.forename: Zuhair S
authors.initials: ZS
authors.lastname: Nawaz
authors.forename: Paul
authors.initials: P
authors.lastname: Harvie
authors.forename: Alister J
authors.initials: AJ
authors.lastname: Hart
authors.forename: John A
authors.initials: JA
authors.lastname: Skinner
mesh_terms: D000368:Aged; D005260:Female; D005267:Femoral Nerve / Q000187:drug effects / Q000293:injuries / Q000473:pathology; D006104:Granuloma, Plasma Cell / Q000139:chemically induced* / Q000473:pathology / Q000503:physiopathology; D006617:Hip Dislocation / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D008670:Metals / Q000009:adverse effects* / Q000097:blood; D010146:Pain / Q000209:etiology / Q000503:physiopathology; D059348:Peripheral Nerve Injuries / Q000139:chemically induced / Q000473:pathology; D010523:Peripheral Nervous System Diseases / Q000139:chemically induced* / Q000473:pathology / Q000503:physiopathology; D010543:Peroneal Nerve / Q000187:drug effects / Q000293:injuries / Q000473:pathology; D011474:Prosthesis Design; D011475:Prosthesis Failure / Q000009:adverse effects*
chemical_list: D008670:Metals