PMID: 9425502Jan 1, 1997Paper

Precision and accuracy of computed digital absorptiometry for assessment of bone density of the hand

Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA
M L BouxseinM E Melton

Abstract

Widespread osteoporosis testing and diagnosis are currently limited due to the high capital cost and reduced portability of many existing bone densitometry techniques. In this study we evaluated an inexpensive, low radiation, X-ray-based technique for assessing bone density of the middle phalanx. The technique, termed computed digital absorptiometry (CDA), is similar to radiographic absorptiometry (RA), using a single-energy X-ray source, an aluminum alloy step-wedge, and a charge-coupled device (CCD) detector system to automatically compute bone mineral content (BMC, g) and bone mineral density (BMD, g/cm2) in the middle phalanx of the third finger. The potential advantage of CDA over current RA techniques is that by using a filmless detector system, no off-site processing of radiographs is required and bone density results are obtained immediately after the test. Using human cadaveric specimens we determined the accuracy and short-term precision of CDA as well as its correlation with other hand and forearm bone densitometry methods. We obtained 26 cadaveric forearms (50% female, mean age 78 years, range 52-96 years). BMC and BMD of the middle phalanx of the third finger were determined using CDA and using RA. We assessed fore...Continue Reading

Citations

Feb 16, 2005·Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·Katharina M GasserKurt Lippuner
Jul 11, 2007·Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·S ErmakovG Livshits
Jan 13, 2005·Calcified Tissue International·G M BlakeI Fogelman
Jan 31, 2004·The Journal of Hand Surgery·Soichiro ItohKenichi Shinomiya
Oct 25, 2003·Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society·José M SotocaMiguel A Belmonte
Jun 19, 2001·Annals of the Rheumatic Diseases·P RöbenC C Glüer
Mar 7, 2000·Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research·T V Nguyen, J A Eisman
Apr 1, 1999·Journal of Clinical Densitometry : the Official Journal of the International Society for Clinical Densitometry·D A MichaeliM L Bouxsein
Aug 31, 2002·Dento Maxillo Facial Radiology·J YangT E Rams
Jul 6, 2014·Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·R DendereT S Douglas
Feb 28, 2009·Journal of Clinical Densitometry : the Official Journal of the International Society for Clinical Densitometry·Priya Ganapathy, Julie A Skipper
Nov 17, 2005·Rheumatic Diseases Clinics of North America·Glenn Haugeberg, Paul Emery
Jun 23, 2015·IEEE Transactions on Bio-medical Engineering·Ronald DendereTania S Douglas
Jun 9, 2004·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·James D JohnstonDavid R Pichora
Jan 1, 1997·Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·P D Ross

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