Dementia and Chronic Disease by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9783030463984
Publisher: Springer International Publishing

Noninvasive Imaging

Imaging tools to assess bone health include DEXA scans (Dual Energy XRay Absorptiometry), quantitative computed tomography (qCT), and heel ultrasound. A DEXA scan is most commonly used to assess bone mass. According to the WHO definition, a T-score of -2.5 is defined as osteoporosis. KDIGO guidelines recommend using DEXA scans to measure BMD in patients with fractures and in those with known risk factors for osteoporosis [25]. A quantitative CT can help distinguish outer dense cortical bone from inner spongy trabecular bone. However, CT is more expensive than DEXA scan and results in greater exposure to radiation. Hence, its role needs to be better established.

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