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Table 4 Number of patients showing extra hepatic activity on image review categorized based on the delay between the 99mTc-MAA injection and scan

From: The value of 99mTc-MAA SPECT/CT for lung shunt estimation in 90Y radioembolization: a phantom and patient study

Time delay (min) Number patients in category Number with definitive extra hepatic activity visible
0–45 11 0
45–90 18 5
90–135 8 5
135+ 3 2