Charnley and Gruen zones

Case contributed by Dr Yuranga Weerakkody

Presentation

These are diagrams outlining the Charnley and Gruen zones

Patient Data

Age: 80
Gender: Male
Annotated image

Charnley zones are annotated.

Annotated image

Gruen zones are annotated.

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
Published: 28th Jul 2016
Last edited: 20th Jun 2018
Inclusion in quiz mode: Excluded

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