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DeLee and Charnley, and Gruen zones

Case contributed by Yuranga Weerakkody
Diagnosis not applicable

Presentation

These are diagrams outlining the DeLee and Charnley, and Gruen zones.

Patient Data

Age: 80 years
Gender: Male
Annotated image

DeLee and Charnley zones are annotated.

Annotated image

Gruen zones are annotated.

Case Discussion

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

Acetabulum: DeLee and 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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