以下为句子列表：
英文: A series of staging investigations were undertaken, including positron emission tomography (PET) scan, which revealed high risk of metastasis to the cervical lymph nodes.
中文: 一系列的检查（包括正子造影）发现有高机率颈部淋巴结转移。
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英文: Angiography and 18F-fluorodeoxyglucose-positron emission tomography (18FDG-PET) imaging were carried out in all patients.
中文: 所有患者进行了血管学和（18）F-氟去氧葡萄糖-电子发射断层扫描((18)FDG-PET)影像检查。
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英文: Antimatter/matter reactions have practical applications in medical imaging, see Positron emission tomography (PET).
中文: 反物质/物质反应在医学成像有实际应用,注意正电子放射断层摄影术(PET)。
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英文: But an elegant study using positron emission tomography (PET), which indirectly measures metabolism, has shown that different regions of the brain are activated when a subject is asked to imagine a sound than when he or she is hallucinating under hypnosis
中文: 不过有一个精密的研究，使用正子断层扫描（PET）来间接测量代谢活动，显示想像的声音与催眠中的幻听，启动了脑中不同的部位。
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英文: In positron emission tomography (PET), a patient is injected with a radioactive element that produces photons, which are sensed slice by slice.
中文: 至于正子断层扫描（PET）的做法，受试者要先注射可产生光子的放射性元素，然后从每个切片中侦测光子的存在。
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