对于是否有骨转移，这需要全身核医学扫描来判别。转移的部位对放射性物质更多的吸收，而且是非对称的。

Whole-body nuclear medicine bone scanning allows for the detection of bony metastatic disease, which is usually identified by multiple asymmetric areas of increased uptake.

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超声由于不使用电离辐射，与摄片，CT扫描和核医学成像技术，它通常被认为更安全。

Because ultrasound does not use ionizing radiation, unlike radiography, CT scans, and nuclear medicine imaging techniques, it is generally considered safer.

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核医学检查的使用虽然少于CT扫描且总体所受放射较少，但这一报告也提示了我们需要关注这一问题。

Although nuclear medicine scans are performed less frequently than CT scans and generally involve much less radiation, this report has identified a question that needs attention.

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目前，比较常用的物理检测手段有：X射线、断层扫描(CT)、核医学成像(mri)、超声成像以及内窥镜检查等。

At present, some often-used physics detecting artifices are: X radial, computerized tomography (ct), magnetic resonance imaging (MRI), ultrasound imaging, endoscopy and so on.

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除了少数情况外，放射性检查，包括X光片，计算机断层扫描(CT)或核医学成像技术的辐射暴露的剂量远低于会损伤胎儿的暴露。

With few exceptions, radiation exposure through radiography, computed tomography (CT) scan, or nuclear medicine imaging techniques is at a dose much lower than the exposure associated with fetal harm.

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除了少数情况外，放射性检查，包括X光片，计算机断层扫描(CT)或核医学成像技术的辐射暴露的剂量远低于会损伤胎儿的暴露。

With few exceptions, radiation exposure through radiography, computed tomography (CT) scan, or nuclear medicine imaging techniques is at a dose much lower than the exposure associated with fetal harm.

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