Densitometry alone has been shown to be inadequate to predict all osteoporotic fractures, since 40-50% occur in people who do not have a low bone density. The BESTEST®, Bone Elastic Structure Test, virtually simulates compressive loads on the trabecular architecture’s reconstructions obtained from digital radiographs of first proximal epiphyses of the non-dominant hand. The radiograms are acquired by a hand-held portable x-ray system equipped with a digital sensor. While in certain cases these systems present risks that are no greater than with standard systems, issues related to: (i) position of the handheld X-ray device relative to the operator, (ii) risk of misalignment of the X-ray units during exposure, (iii) patient protection and (iv) correct positioning of the sensor must still be addressed. A special stand and a customized sensor holder have been therefore designed, so that safety for patient and operator and repeatability of the exam have been improved.

Implementation of correctness criteria for the bone structure analysis by means of a hand-held x-ray system

Francesca Cosmi
;
2017-01-01

Abstract

Densitometry alone has been shown to be inadequate to predict all osteoporotic fractures, since 40-50% occur in people who do not have a low bone density. The BESTEST®, Bone Elastic Structure Test, virtually simulates compressive loads on the trabecular architecture’s reconstructions obtained from digital radiographs of first proximal epiphyses of the non-dominant hand. The radiograms are acquired by a hand-held portable x-ray system equipped with a digital sensor. While in certain cases these systems present risks that are no greater than with standard systems, issues related to: (i) position of the handheld X-ray device relative to the operator, (ii) risk of misalignment of the X-ray units during exposure, (iii) patient protection and (iv) correct positioning of the sensor must still be addressed. A special stand and a customized sensor holder have been therefore designed, so that safety for patient and operator and repeatability of the exam have been improved.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2917231
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