Grading Results for Each of 3 Protocols for 61 Adenomas in 59 Patients
| Degree of certainty of location | ||||
| Protocol* | 0 | 1 | 2 | 3 |
| Pinhole | ||||
| Observer A | 11 | 8 (2) | 20 (1) | 22 (1) |
| Observer B | 4 | 9 (10) | 17 (2) | 31 (1) |
| Average | 7.5 | 8.5 (6) | 18.5 (1.5) | 26.5 (1) |
| SPECT/CT | ||||
| Observer A | 21 | 7 (1) | 8 | 25 |
| Observer B | 17 | 4 (1) | 13 (1) | 27 (2) |
| Average | 19 | 5.5 (1) | 10.5 (0.5) | 26 (1) |
| Pinhole + SPECT/CT | ||||
| Observer A | 17 | 5 (1) | 10 (1) | 29 |
| Observer B | 5 | 9 (6) | 14 (4) | 33 |
| Average | 11 | 7 (3.5) | 12 (2.5) | 31 |
↵* Both pinhole and SPECT/CT protocols involved dual-tracer simultaneous acquisition with subtraction.
0= no adenomas seen; 1 = possible adenoma; 2 = probable adenoma; 3 = definite adenoma.
Numbers in parentheses indicate number of localizations that were incorrect (false-positives).