What is the purpose of a bone density scan?

The purpose of a bone density scan primarily revolves around checking for osteoporosis. Osteoporosis is a condition characterized by weakened bones, making them more susceptible to fractures and breaks. A bone density scan utilizes dual-energy X-ray absorptiometry (DEXA) to measure the density of bones, particularly in areas such as the spine, hip, and wrist, where fractures are more likely to occur.

By determining the bone mineral density (BMD), healthcare providers can assess an individual's risk of developing osteoporosis, which is crucial for timely intervention and management. Early detection allows for strategies to strengthen bone health, including lifestyle changes, dietary modifications, and medications if needed. The other options listed—screening for breast cancer, measuring blood calcium levels, and assessing cholesterol levels—are not the focus of a bone density scan, highlighting the specialized nature of this particular diagnostic tool in bone health assessment.