Charnley and Gruen zones

Case contributed by Dr Yuranga Weerakkody


These are diagrams outlining the Charnley and Gruen zones

Patient Data

Age: 80
Gender: Male

Charnley zones are annotated as above

Case Discussion

Charnley and Gruen zones of the hip are distinct zones used in assessment of aseptic loosening in total hip joint replacements.

Acetabulum: Charnley zones

  • zone 1:  superior 1/3
  • zone 2:  middle 1/3
  • zone 3:  inferior 1/3

Femur:  Gruen zones

  • AP 1-7
    • zone 1:   greater trochanter
    • zone 4:   tip
    • zone 7:   lesser trochanter
  • lateral 8-14
    • zone 8:   anterior-superior
    • zone 11: tip
    • zone 14: posterior-superior
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Case information

rID: 47034
Case created: 28th Jul 2016
Last edited: 29th Jul 2016
Inclusion in quiz mode: Excluded

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