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
Modality: CT

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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