一位七十歲的男性前列腺癌病患,接受全身骨骼掃描以評估是否有骨轉移。因意外將99mTc-MDP注入左手肘部動脈中,造成骨骼掃描影像出現左前臂及手部的骨骼外局部顯影,即所謂的“手套現象”。本文將探討引起這類親骨放射性藥物在軟組織局部顯影的機轉與各種可能原因。
A 70-year-old male with prostate cancer received 99mTc-MDP whole body bone scan for evaluation of sketetal metas-tasis. The scintigraphy showed focal extraosseous uptake of tracers in left forearm and hand known as