CT与结石易碎性
CT and stone fragility.
作者信息
Dretler S P, Spencer B A
机构信息
Department of Urology, Massachusetts General Hospital, Boston 02214, USA.
出版信息
J Endourol. 2001 Feb;15(1):31-6. doi: 10.1089/08927790150500926.
PMID:11248917
Abstract
Informed selection of treatment requires knowledge of the size and composition of a calculus. Spiral CT has a growing role in the detection of calculi, with an overall accuracy in excess of 95%. Moreover, the margin of error in determining stone size does not exceed 3.6%, and stone volume is underestimated by <5%. Pixelograms, the compilation of multiple points of attenuation, may provide clues to stone composition and durility.
摘要
明智地选择治疗方法需要了解结石的大小和成分。螺旋CT在结石检测中的作用日益重要，总体准确率超过95%。此外，确定结石大小的误差幅度不超过3.6%，结石体积的低估率小于5%。像素图，即多个衰减点的汇编，可能为结石成分和耐久性提供线索。
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