Femoroacetabular impingement: radiographic diagnosis--what the radiologist should know

AJR Am J Roentgenol. 2007 Jun;188(6):1540-52. doi: 10.2214/AJR.06.0921.


Objective: The purpose of this article is to show the important radiographic criteria that indicate the two types of femoroacetabular impingement: pincer and cam impingement. In addition, potential pitfalls in pelvic imaging concerning femoroacetabular impingement are shown.

Conclusion: Femoroacetabular impingement is a major cause for early "primary" osteoarthritis of the hip. It can easily be recognized on conventional radiographs of the pelvis and the proximal femur.

Publication types

  • Case Reports
  • Review

MeSH terms

  • Acetabulum / abnormalities
  • Acetabulum / diagnostic imaging
  • Adult
  • Female
  • Femur / abnormalities
  • Femur / diagnostic imaging
  • Health Knowledge, Attitudes, Practice*
  • Hip Joint / abnormalities*
  • Hip Joint / diagnostic imaging*
  • Humans
  • Joint Diseases / diagnostic imaging*
  • Male
  • Practice Guidelines as Topic
  • Practice Patterns, Physicians'
  • Radiographic Image Enhancement / methods
  • Syndrome