The FRAX score is used to evaluate future fracture risk. At which site is bone mineral density typically measured for this score?

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Prepare for the CMS II Rheumatology E1 Exam with our comprehensive quiz. Study using flashcards and multiple-choice questions, each with hints and explanations. Get ready for success!

Multiple Choice

The FRAX score is used to evaluate future fracture risk. At which site is bone mineral density typically measured for this score?

Explanation:
FRAX uses the bone mineral density input from the femoral neck (hip) when BMD is included. This site is chosen because it best reflects the risk of hip fracture, a major outcome FRAX is designed to predict, and it provides a stable, reliable measure less affected by degenerative changes than the spine. The lumbar spine can be used in some calculators as an alternative if hip BMD isn’t available, but spine measurements can be confounded by osteoarthritis and other factors, making the hip site the preferred input. The radius or skull are not standard inputs for FRAX.

FRAX uses the bone mineral density input from the femoral neck (hip) when BMD is included. This site is chosen because it best reflects the risk of hip fracture, a major outcome FRAX is designed to predict, and it provides a stable, reliable measure less affected by degenerative changes than the spine. The lumbar spine can be used in some calculators as an alternative if hip BMD isn’t available, but spine measurements can be confounded by osteoarthritis and other factors, making the hip site the preferred input. The radius or skull are not standard inputs for FRAX.

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