锝-99m-二乙三胺五乙酸-人血清白蛋白单光子发射计算机断层扫描在亚急性脑梗死中的延迟显像
Delayed imaging of Tc-99m-DTPA-HSA SPECT in subacute cerebral infarction.
作者信息
Inoue Y, Momose T, Machida K, Honda N, Mamiya T, Takahashi T, Sasaki Y
机构信息
Department of Radiology, Saitama Medical Center, Saitama Medical School, Japan.
出版信息
Radiat Med. 1993 Sep-Oct;11(5):214-6.
Cerebral blood volume measurement by Tc-99m-DTPA-HSA SPECT was performed in a patient with subacute cerebral infarction to evaluate compensatory vasodilatation. Additional delayed imaging revealed focal increased radioactivity that was not found on the early images, indicating leakage of radioactive agents due to blood-brain barrier breakdown. Delayed SPECT may be helpful to detect areas unsuitable for estimating regional blood volume.
为评估代偿性血管扩张，对一名亚急性脑梗死患者进行了锝-99m-二乙三胺五乙酸-人血清白蛋白单光子发射计算机断层扫描（Tc-99m-DTPA-HSA SPECT）脑血容量测量。额外的延迟显像显示出早期图像上未发现的局灶性放射性增加，提示血脑屏障破坏导致放射性药物渗漏。延迟SPECT可能有助于检测不适于估计局部血容量的区域。
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