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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Handheld ultrasound device for detection of non-opaque and semi-opaque foreign bodies in soft tissues*.
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Handheld ultrasound device for detection of non-opaque and semi-opaque foreign bodies in soft tissues*.

机译：手持超声设备，用于检测软组织中的不透明和半透明异物*。

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PURPOSE: The aim of this study was to determine whether a portable handheld ultrasound device can be used to visualize non-opaque and semi-opaque foreign bodies in soft tissues and to characterize their sonographic appearance. METHODS: Twenty-two fragments composed of various natural and man-made materials and ranging from 4 to 20 mm in the maximum longitudinal dimension were embedded into 2 thawed turkey breasts. Two sonographers who were unaware of the number, dimensions, and locations of the fragments used a handheld ultrasound device to detect and characterize the fragments on the basis of their surface echogenicity and acoustic shadowing. The sonographic appearance of each fragment was compared with its actual characteristics. RESULTS: All 22 embedded fragments were successfully identified and localized on sonography. Surface echogenicity and acoustic shadowing varied among the fragments. For some fragments, the sonographically measured maximum longitudinal dimension differed substantially from the actual dimension. CONCLUSIONS: Use of a portable handheld ultrasound device is effective for the detection of foreign bodies with a diameter greater than 4 mm in soft tissues. The sonographic appearances of non-opaque and semi-opaque foreign bodies vary in their patterns of surface echogenicity and acoustic shadowing.
机译：目的：本研究的目的是确定便携式手持式超声设备是否可用于可视化软组织中的不透明和半透明异物并表征其超声外观。方法：将22种由各种天然和人造材料组成的碎片（最大纵向尺寸为4至20毫米）嵌入2个解冻的火鸡胸中。两名不知道碎片的数量，尺寸和位置的超声检查人员使用手持式超声设备根据碎片的表面回声性和声学阴影对其进行检测和表征。将每个片段的超声检查外观与其实际特征进行比较。结果：所有22个嵌入片段均被成功鉴定并定位于超声检查。片段之间的表面回声性和声影阴影不同。对于某些碎片，超声测量的最大纵向尺寸与实际尺寸大不相同。结论：使用便携式手持超声设备可有效检测软组织中直径大于4 mm的异物。非不透明和半不透明异物的声像图样在其表面回声和声学阴影方面各不相同。

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