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Characteristics of abnormal FDG uptake on dbPET and comparison between breast cancer and others 1
Cancers (n = 13) Others (n = 27) p value Age (years) Mean ± SD 57.54 ± 12.57 49.96 ± 10.75 0.1785 Menopausal state Pre 7 16 0.7457 History of breast cancer (+) 5 6 0.2813 Family history of breast cancer (+) 3 5 1.000 Breast symptom/s (except for known cancer) (+) 6 5 0.0667 Prior MMG and/or US within 1.5 years (+) 9 23 0.4371 Characteristics of abnormal FDG uptake on dbPET and comparison between breast cancer and others 2
Cancers (n = 13) Others (n = 27) p value Uptake findings on dbPET Focus 1 15 0.0122[asterisk] Mass 10 11 Non- mass 2 1 SUVmax Mean ± SD 6.887 ± 4.816 4.77 ± 2.394 0.1794 SUVpeak Mean ± SD 3.521 ± 2.387 2.001 ± 0.774 0.0234[asterisk] TLG Mean ± SD 6.238 ± 15.319 0.851 ± 1.468 0.0017[asterisk] MTV Mean ± SD 0.977 ± 1.639 0.331±0.559 0.0040[asterisk] L/B Mean ± SD 3.165 ± 2.916 1.873±1.086 0.0432[asterisk] Multivariate logistic regression analysis of characteristics related to breast cancer
Odds ratio (95% CI) p value Uptake findings on dbPET Focus/Mass 9.631 (1.366, 197.076) 0.0209[asterisk] Non-mass/Focus 0.0794 Mass/Non-mass 0.6446 TLG 0.2805 L/B 0.4771 Characteristics of breast ca. detected by dbPET
Histological characteristic n=13 Type IDC/DCIS 7/6 Subtype Luminal/HER2 rich/unknown 10/1/2 T stage Tis 6 T1(T1a/T1b/T1c) 4(1/1/2) T2 3 Nodal status ositive/Negative 2/11
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