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Figure 4: In preparation for hepatic radioembolization with Yttrium-90 glass microspheres 99Technetium macroaggregated is given via the hepatic artery and regions of interest are drawn over lungs, liver, and background. With a systemic shunt greater than 25% Yttrium-90 glass microspheres embolization is contraindicated. (Courtesy Dr. Ghulam Mustafa Shah Syed, Head Nuclear Medicine Section, Department of Medical Imaging, King Fahad Hospital, King Abdul Aziz Medical City Riyadh)

Figure 4: In preparation for hepatic radioembolization with Yttrium-90 glass microspheres 99Technetium macroaggregated is given via the hepatic artery and regions of interest are drawn over lungs, liver, and background. With a systemic shunt greater than 25% Yttrium-90 glass microspheres embolization is contraindicated. (Courtesy Dr. Ghulam Mustafa Shah Syed, Head Nuclear Medicine Section, Department of Medical Imaging, King Fahad Hospital, King Abdul Aziz Medical City Riyadh)