TABLE 3

Select Studies Reporting SSTR and 18F-FDG PET Imaging by Ki-67

StudyTotal no. patients (N)N: Ki-67 or rate of growthTumor primary siteIndication for imagingSSTR imaging typeSSTR imaging results18F-FDG PET imaging results
Belcohine et al. 2002 (19)1715: Ki-67 ≤ 10%GEP, lung, GU, thymusDetection of mets111InPositive in 10 of 15 (67%)Positive in 8 of 15 (53%)
1: Ki-67 ≥ 20%Positive in 1 of 1 (100%)Positive in 1 of 1 (100%)
1: undetermined
Kayani et al. 2008 (16)38 (25 with histology)13: Ki-67 ≤ 2%GEP, lung, unknownSuspected recurrence, primary tumor, mets68GaPositive and predominant uptake in 13 of 13 (100%)Positive in 7 of 13 (54%)
6: Ki-67 ≤ 5%–15%Positive in 5 of 6 (83%), predominant uptake in 3 of 6 (50%)Positive in 5 of 6 (83%)
6: Ki-67 ≥ 20%Positive in 4 of 6 (67%)Positive in 6 of 6 (100%)
Adams et al. 1998 (20)204: Ki-67 low (no % reported)GEP, MTC, thymic carcinomaPrimary tumor or LN mets111InPositive in 4 of 4 (100%)Positive in 0 of 4 (0%)
16: Ki-67 highPositive in 0 of 16 (0%)Positive in 16 of 16 (100%)
Pasquali et al. 1998 (21)168: slow-growing based on serial imagingGEP, lungPrimary tumor or mets111InPositive in 4 of 6 (67%)Weakly positive in 1 of 8 (13%)
8: fast-growing based on serial imagingPositive in 8 of 8 (100%)Positive in 8 of 8 (100%)
Failed to detect primary in 3 of 11Mets detected in 5 of 6
Binderup et al. 2010 (22)98 (88 with Ki-67)47: Ki-67 ≤ 2%GEP, lungStudy prognosticationNot performedNot performedPositive in 19 of 47 (40%)
27: Ki-67 > 2 ≤ 15%Positive in 19 of 27 (70%)
14: Ki-67 ≥ 15%Positive in 13 of 14 (93%)
Has Simsek et al. 2014 (25)2710: Ki-67 ≤ 2%GEPPrimary tumor, staging68GaPositive and predominant in 10 of 10 (100%)Low to mild uptake in 2 of 10 (20%)
15: Ki-67 > 2 ≤ 20%Positive in 12 of 15 and predominant in 11 of 15 (73%)Significant uptake in 7 of 15 (47%)
2: Ki-67 ≥ 20%Positive and predominant in 1 of 2 (50%)Significant uptake in 2 of 2 (100%)
  • Diff = differentiation; GEP = gastroenteropancreatic; GU = genitourinary; mets = metastases; MTC = medullary thyroid carcinoma; LN = lymph node.