Last reviewed: November 2017
Last updated: May  2016

Summary

Definition

History and exam

Key diagnostic factors

  • weight (>90th percentile)
  • gait with affected leg externally rotated

Other diagnostic factors

  • groin or knee pain
  • bilateral hip pain
  • Trendelenburg gait
  • restricted range of motion
  • weight (<50th percentile)
  • symptoms of hypothyroidism or panhypopituitarism
  • renal failure
  • recent trauma

Risk factors

  • puberty
  • African-American ancestry
  • Hispanic ancestry
  • northeastern or western US
  • obesity
  • male gender
  • endocrine disorders
  • prior radiation therapy

Diagnostic investigations

1st investigations to order

  • bilateral anteroposterior radiographs
  • frog-leg lateral radiographs
Full details

Investigations to consider

  • metabolic panel
  • serum TFTs
  • serum growth hormone
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Richard M. Armstrong Jr. Professor of Orthopaedic Surgery

Perelman School of Medicine

University of Pennsylvania

Chief of Orthopaedic Surgery

The Children's Hospital of Philadelphia

Philadelphia

PA

Disclosures

JMF declares that he has no competing interests.

Dr John M. Flynn would like to gratefully acknowledge Dr Purushottam A. Gholve, Dr Danielle B. Cameron, and Dr Patrick O'Toole, previous contributors to this monograph. Dr John M. Flynn would also like to gratefully acknowledge the assistance of Nicholas A. Beck. PAG, DBC, PO, and NAB declare that they have no competing interests.

Peer reviewers VIEW ALL

Associate Professor

Department of Orthopedics and Rehabilitation

University of Wisconsin School of Medicine and Public Health

Madison

WI

Disclosures

JM declares that he has no competing interests.

Consultant Orthopaedic Surgeon and Honorary Lecturer

University Hospital of Wales

Cardiff

UK

Disclosures

DPT declares that he has no competing interests.

Professor

Consultant Orthopaedic Surgeon

Developmental Origins of Health and Disease (DOHaD)

School of Medicine

University of Southampton

Southampton

UK

Disclosures

NMC has received honoraria for visiting professorships in North America and also for lectures in respect of congenital hip dysplasia. He is also a founding member of the International Hip Dysplasia Institute, which has received charitable funding.

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