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