TRIPLE PHOTON-ABSORPTIOMETRY CANNOT CORRECT FOR FAT INHOMOGENEITIES IN LUMBAR SPINE BONE-MINERAL MEASUREMENTS

被引：14

作者：

FARRELL, TJ ^{[1
]}

WEBBER, CE ^{[1
]}

机构：

[1] CHEDOKE MCMASTER HOSP,DEPT NUCL MED,1200 MAIN ST W,HAMILTON L8N 3Z5,ONTARIO,CANADA

来源：

CLINICAL PHYSICS AND PHYSIOLOGICAL MEASUREMENT | 1990年 / 11卷 / 01期

关键词：

D O I：

10.1088/0143-0815/11/1/007

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

In vivo fat inhomogeneities can cause significant errors in measurements of lumbar spine mineral mass using dual photon absorptiometry. Extension to a triple photon techniques to correct for the presence of fat is not possible because of the unacceptable increase of about a factor of 3000 required in the radiation dose to yield sufficient transmitted photons for adequate precision.

引用

页码：77 / 84

页数：8

共 17 条

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