Bone metabolism following gastric surgery: Microdensitometry and single-photon absorptiometry.
نویسندگان
چکیده
منابع مشابه
The utility of single-photon absorptiometry and dual-energy x-ray absorptiometry.
T w o decades ago researchers at the University of Wisconsin showed that 125I photon absorptiometry could be used to measure bone mineral in the forearm easily and accurately with little radiation exposure (1). Surrounding the arm with water or other soft tissue-equivalent material of constant thickness provided uniform extra-skeletal attenuation; the incremental attenuation by bones was linear...
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Osteoporosis is a characterized by low bone mass and microarchitectural deterioration, with a consequent increase in bone fragility [1]. Bone strength impairment leads to an increased risk of fracture, as strenght reflects the integration of bone quantity (bone mineral density, BMD) and bone quality [2]. Common sites of osteoporotic fractures are spine, hip, distal forearm and proximal homerus....
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The objective of this study was to validate the use of bone mineral measurements of the calcaneus bone by dual X-ray and laser (DXL) in a cross-sectional study carried out in an osteoporosis clinic. Measurements of bone mineral density (BMD) at proximal femur and spine were obtained by dual-energy photon X-ray absorptiometry (DEXA). Osteoporosis was defined by a DEXA T-score <-2.5 at the femora...
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Although single-photon absorptiometry (SPA) has been the predominant tool used to assess bone mineral density (BMD) in the forearm, the development of dual-energy x-ray absorptiometry (DEXA) provides the benefits of greater source stability, reduced scanning time, and improved image resolution compared to SPA. In the present study we used the DEXA bone densitometer (Hologic, Inc., Waltham, MA) ...
متن کاملIntussusception following gastric surgery.
church bell; and (c) the outline of the upper abdomen is protuberant, while the outline of the lower abdomen is normal. (2) A soft tissue radiograph may have located the low lying placenta. Other methods of radiological diagnosis such as: (a) measuring the distance between the head and sacral promontory with the patient partially reclining and measuring the distance between the symphysis pubis ...
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ژورنال
عنوان ژورنال: The Tohoku Journal of Experimental Medicine
سال: 1988
ISSN: 0040-8727,1349-3329
DOI: 10.1620/tjem.156.237