512. Bone mineral quantifying method by using CR-DEXA
نویسندگان
چکیده
منابع مشابه
Bone mineral density in ankylosing spondylitis. DEXA comparison of control subjects with mild and advanced cases.
We have used dual-energy X-ray absorptiometry to measure bone mineral density (BMD) in patients with ankylosing spondylitis comparing 41 healthy control subjects and 33 patients with either mild or advanced ankylosing spondylitis. A Norland XR-28 bone densitometer was used to measure the BMD of the lumbar spine and that of the head, trunk, arms, femoral neck, Ward's triangle, legs, pelvis, and ...
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Bone is a composite biomaterial mainly composed of packed collagen fibres and nano-sized hydroxylapatite (HA) crystals. Quantitative measurements of bone mine ral composition can provide insights into the bone mine ral formation in health and disease . Bone mineral characteristics such as crystal lini ty, carbonate and phosphate mineral content may vary as a function of age, sex, diet, bone l...
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The mineral content of bone can be determined by measuring the absorption by bone of a monochromatic, low-energy photon beam which originates in a radioactive source (iodine-125 at 27.3 kev or americium 241 at 59.6 kev). The intensity of the beam transmitted by the bone is measured by counting with a scintillation detector. Since the photon source and detector are well collimated, errors result...
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The relevé method, a standardized, floristically based vegetation sampling technique developed in Europe, has become a vegetation measurement method used worldwide. Although the relevé method was developed by plant ecologists to classify vegetation, ornithologists have begun to use the method for bird-habitat studies, sometimes including modifications to better sample structural features of a h...
متن کاملA retrospective study of a calcium agent (E-Ca) using data on bone mineral density obtained by DXA method.
AIM We performed a retrospective analysis of a calcium hydroxide-containing calcium agent (TACHIKAWA DENKAI CALCIUM™: E-Ca) based on data of bone mineral density obtained by dual-energy X-ray absorptiometry (DXA) to clarify the relationship between bone mineral density and E-Ca intake on an empty stomach in those who regularly use E-Ca. RESULTS We found the percentage of volunteers with their...
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ژورنال
عنوان ژورنال: Japanese Journal of Radiological Technology
سال: 1992
ISSN: 0369-4305,1881-4883
DOI: 10.6009/jjrt.kj00003500905