SENSITIVITY AND SPECIFICITY OF ULTRASOUND IN THE DIAGNOSIS OF FOREIGN-BODIES IN THE HAND

被引：67

作者：

BRAY, PW ^{[1
]}

MAHONEY, JL ^{[1
]}

CAMPBELL, JP ^{[1
]}

机构：

[1] ST MICHAELS HOSP,DIV PLAST SURG,TORONTO,ON M5B 1W8,CANADA

来源：

JOURNAL OF HAND SURGERY-AMERICAN VOLUME | 1995年 / 20A卷 / 04期

关键词：

D O I：

10.1016/S0363-5023(05)80287-4

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

High-resolution ultrasound is capable of detecting foreign bodies of practically any composition. The purpose of this study was to determine in a controlled manner the sensitivity and specificity of ultrasound in the diagnosis of foreign bodies in the hand. Each of 15 fresh-frozen cadaver hands was divided into 21 standardized sites for potential foreign body insertion. Foreign bodies consisted of two sizes of three different materials (wood, glass, and metal). Foreign bodies were randomly assigned to 50% of the available sires. The empty sites served as controls. All hands were scanned by a single radiologist using high-resolution ultrasound at a frequency of 10 MHz. The radiologist was unaware of which specimens contained foreign bodies. Of the 166 foreign bodies inserted in total, 156 were detected by ultrasound. Ten sites were falsely analyzed as negative, for a sensitivity of 94%. There was one false positive result and 148 true negatives. The specificity was therefore 99%. The high specificity of ultrasound allows foreign body presence to be confirmed given a positive result. A combination of ultrasound and x-ray films should allow for diagnosis and localization of virtually all foreign bodies in the hand.

引用

页码：661 / 666

页数：6

共 23 条

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