Items tagged “dexa”
4 results found
Article
Z-score
Z-scores are a way to translate individual data points into terms of a standard deviation.
Z = (X - Xbar) / σ
X: individual data point
Xbar: the arithmetic mean
σ: the standard deviation
The purpose of the Z-score is to allow comparison between values in different normal distributions. Two...
Article
Densitometric vertebral fracture assessment
Densitometric vertebral fracture assessment (VFA) is an image of the lumbar and thoracic spine acquired on dual energy x-ray absorptiometry (DXA) scanners, for the purpose of diagnosing osteoporotic vertebral fractures.
Terminology
The technique is available on DXA scanners under a variety of...
Case
Osteoporosis on DXA and vertebral fractures on VFA
Published
26 Mar 2018
100% complete
X-ray
Case
Prostate metastases (DEXA)
Published
02 Jun 2022
95% complete
X-ray
CT