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Table 1 Predictive values of PET in tracking the primary site in case of early metastatic cancers

From: Cancers of unknown primary origin: current perspectives and future therapeutic strategies

Match PET/histology in identification of the primary lesion Total examined cases Predictive value of PET% (n of patients) False positive cases% (n of patients) Reference
Failed 1 -- --- [25]
Partial 23 56,5 (13) --- [26]
Partial 39 27 (6) 2.5 (1) [27]
Failed 18 -- --- [28]
Partial 20 11(55) 5 (1) [29]
Partial 149 24.8 (37) 8.7 (13) [30]
Failed 20 -- --- [31]
Partial 51 9.6 (5) --- [32]
Partial 77 36.4 (28) 1.2(1) [33]
Partial 24 37.5 (9) 12.5 (3) [34]
Complete 1 1 --- [35]
Partial 59 59 (35) --- [36]
Partial 44 31.8 (14) 11.3 (1) [37]
Partial 47 14.8 (7) 27.6(13) [38]
Partial 13 7 (54) --- [39]
Partial 43 55.8 (24) 2.3 (1) [40]
Partial 67 53.7 (36) 1. 49 (1) [41]
Partial 430 31.4 (135) 3.9 (17) [42]
Partial 60 30 (18) 21.6 (13) [43]
Partial 39 26 (10) --- [44]
Partial 15 20 (4) 6.6 (1) [45]
Partial 14 40 (7) 7.1 (1) [46]
Partial 38 53 (20) 2.6 (1) [47]