Hepatic blood flow perfusion imaging

Hepatic vascular perfusion imaging: The blood pool imaging agent is mainly concentrated in the liver vascular cavity and blood sinus after intravenous injection. After a certain period of time, the labeled red blood cells are exchanged with the unlabeled red blood cells in the lesion blood pool and reach equilibrium; reach The equilibrium time varies depending on the size of the lesion, about 30 to 120 minutes. When complete equilibrium is reached, the radioactivity of the lesion area is higher than that of normal liver tissue, which can be detected by in vitro detection.

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