Title: November 2013 – DXA reports osteoporosis in the femoral neck and normal bone density in the total hip

71 year old male presents for an initial DXA scan, indication = age, alcohol intake. Patient meets criteria for a DXA scan by NOF (all males ≥70), Canadian guidelines (all males ≥65), NOGG guidelines (intermediate fracture risk by FRAX without BMD).  No other risk factors by medical history.  Weight 200 pounds, height 74.5 inches, BMI = 25.3.  Because of severe degenerative disc disease, spine was uninterpretable.

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QUESTION:

  • What could explain the significant discrepancy between the bone density in the femoral neck (T=-2.7) and the total hip (T=+0.9)?

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