Article Figures & Data
Figures
- FIGURE 1.
Images obtained with 45 MBq (A), 71 MBq (B), or 132 MBq (C) of 99mTc-MAG3 and their corresponding renograms for both whole kidneys.
Tables
Patient no. Age (y) Sex Weight (kg) 1 45 F 76 2 46 M 68 3 52 F 54 4 29 F 58 5 18 F 43 6 49 M 123 7 74 M 116 8 18 M 49 9 50 F 70 10 43 F 66 Mean ± SD 42.4 ± 16.9 73.5 ± 26.8 11 35 F 73 12 20 F 57 13 40 F 61 14 35 M 78 15 44 F 59 16 42 M 67 17 51 F 85 18 29 F 54 19 52 F 61 20 55 F 67 Mean ± SD 40.3 ± 10.9 66.2 ± 9.8 21 19 M 83 22 31 F 66 23 68 M 55 24 55 M 81 25 37 F 41 26 38 F 50 27 18 F 64 28 46 F 44 29 65 F 54 30 38 F 64 Mean ± SD 41.5 ± 17.2 60.2 ± 14.2 Patient no. TMLK (min) TMRK (min) Counting rate (cps) LY (%) LK/B RK/B LC/B RC/B A2LK (%) A2RK (%) ERPF (%) Left Right Left Right 1 2.7 2.0 248 248 90 4.6 4.0 3.8 2.5 11.8 13.5 46 54 2 2.3 3.1 186 284 90 4.2 5.2 2.9 4.1 11.0 16.7 42 58 3 3.5 1.5 325 99 90 3.0 1.0 2.4 0.5 21.1 6.43 92 8 4 10.5 30 232 285 87 2.7 3.5 2.7 3.0 14.1 17.1 72 20 5 3.7 2.6 326 459 87 4.0 3.5 3.3 3.0 23.0 28.0 43 57 6 2.6 3.7 157 88 87 3.4 4.2 3.0 3.2 11.4 5.92 92 8 7 24 18 166 226 91 3.9 2.0 3.7 1.6 9.58 14.1 39 61 8 — 7.5 272 229 91 — 3.0 — 2.4 — 19.3 — 98 9 2.2 2.5 170 215 91 5.4 4.3 4.4 3.8 13.1 14.2 48 52 10 3.8 3.6 161 223 90 4.7 4.6 4.3 4.2 13.1 13.6 51 49 11 2.7 — 262 — 90 6.8 — 5.2 19.9 — 96 — 12 30 5.6 243 131 91 6.8 1.8 6.2 1.5 25.8 27.3 36 64 13 2.1 — 164 — 91 3.3 — 2.9 — 13.6 — 94 — 14 6.3 — 216 — 91 11.1 — 9.2 — 18.7 — 93 — 15 21.6 13.9 106 200 87 3.2 2.8 2.7 2.1 7.5 15.2 29 71 16 18.7 17.2 107 81 90 1.7 2.3 1.4 2.0 6.6 15.8 15 85 17 2.7 3.4 86 216 90 1.9 1.8 1.8 1.3 8.6 6.4 58 42 18 2.8 3.7 241 70 90 3.6 0.7 3.4 0.4 19.0 55.3 85 15 19 — 5.6 113 94 90 — 2.5 — 1.9 — 11.2 — 99 20 17.6 3.7 221 206 90 7.0 3.1 6.5 2.7 13.2 17.4 53 47 21 1.9 1.8 45 193 90 0.7 3.3 0.7 3.3 7.6 47.4 19 87 22 3.2 3.4 151 201 88 4.6 4.2 4.1 4.2 17.8 23.6 23 77 23 2.8 2.8 36 206 88 0.3 2.9 0.2 2.8 4.5 25.2 7 93 24 2.8 1.8 136 137 88 5.2 2.2 4.6 2.0 17.1 16.9 48 52 25 2.5 10.5 268 94 90 6.9 1.9 6.6 1.6 28.2 9.9 90 10 26 3.0 7.5 239 65 90 7.7 0.6 6.8 0.5 25.1 6.7 90 10 27 1.9 1.9 213 210 90 4.3 3.2 4.1 2.5 20.0 20.0 51 49 28 2.2 2.7 179 130 90 4.1 1.4 3.5 0.9 22.6 16.9 60 40 29 20.2 5.2 27 142 90 0.9 2.5 0.9 2.2 18.9 9.2 16 84 30 2.9 3.7 130 108 90 3.2 1.8 2.9 1.6 16.7 15.1 60 40 LY = labeling yield.
Patients 8, 11, 13, 14, and 19 had only 1 kidney. Counting rate is at 2 min after injection.
Variables Value in cluster Patient classification in cluster 1 2 1 2 LK/B 3.83 4.01 LC/B 3.23 3.62 RK/B 2.42 3.39 3, 6, 12, 17, 18, 19, 1, 2, 4, 5, 7, 8, 9, RC/B 2.06 2.75 24, 25, 26, 28, 29, 10, 15, 16, 20, 21, A2LK (%) 15 18 30 22, 23, 27 A2RK (%) 16 18 Labeling yield (%) 90 92.3 The software could not classify patients 11, 13, and 14.
Rank from highest to lowest importance Correlation coefficient with discriminant function RK/B 0.646 RC/B 0.467 A2RK 0.290 A2LK 0.162 Labeling yield 0.137 LK/B 0.035 LC/B 0.029 - TABLE 5
Absorbed and Effective Doses in Some Organs After Different Administered Activities of 99mTc-MAG3
Organ Administered activity 185 MBq (common value) 100 MBq (IAEA value) 45 mBq (optimized value) Absorbed dose (mGy) Red marrow 3.30 1.80 0.80 Kidneys 33.30 18.00 8.10 Bladder 32.37 17.50 7.87 Liver 9.25 5.20 2.20 Ovaries 2.22 1.20 0.54 Testes 1.11 0.60 0.27 Whole body 1.10 0.59 0.26 Effective dose (mSv) 4.86 2.64 1.17
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