Thomas D G, Beaney R P, Brooks D J
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Positron emission tomography (PET) uses the shortlived positron-emitting radioisotopes of elements such as oxygen, nitrogen, and carbon as tracers both to image and to measure, non-invasively, normal regional tissue physiology and pathophysiology in man. This technique has been used to study the pathophysiology of brain tumours at the time they present and after therapeutic intervention.
正电子发射断层扫描(PET)使用氧、氮和碳等元素的短寿命发射正电子的放射性同位素作为示踪剂,以非侵入性方式成像和测量人体正常区域组织的生理和病理生理情况。这项技术已被用于研究脑肿瘤在初发时以及治疗干预后的病理生理学。