H. Khajmi et al.: Radioprotection 2025, 60( 3), 250 – 255 253
Parathyroid-S 14 8 Men Women
Lung-S 12
11
Cardiac-S 8
20 Brain-S 8
15 Octreoscan-S 17
15
DSMA renal-S 14
25
Thyroïde-S 7
59
Bone-S 352
933
Fig. 2. Distribution of SE by gender.
Table 3. Distribution of minimum, maximum, mean and median values of injected activity for SE in our study. Scintigraphy Injected activity( MBq)
Min Max Mean Med
Bone
499.5 777 669.3 666
Parathyroid
Thyroïde |
78 |
185 |
138.4 |
144.3 |
99m Tc |
44.4 |
111 |
82.1 |
85.8 |
99m Tc-MIBI |
592 |
740 |
658.2 |
666 |
DMSA renal |
92.5 |
185 |
139.5 |
135.8 |
Neuroendocrine( Octreoscan) 370 740 557.6 555 Lung 55.5 222 138 144.3
Cardiac |
Stress |
259 |
370 |
314.5 |
333 |
|
Rest |
999 |
1110 |
1058 |
1073 |
Brain |
629 |
899 |
740.7 |
703 |
Finally, in this study, the LDRL of brain scintigraphy( HMPAO- 99m Tc) was 703 MBq, which is in line with DRLs observed in South Korea( 740 MBq), France( 695 MBq), and Switzerland( 700 MBq) and very much lower than the Croatian DRL( 1110 MBq). These differences in clinical practice reflect the situation in each country where the cameras are of different technological generation and where the optimisation process( ALARA principal) is more or less applied.
The disparities in median scintigraphy activities between our nuclear medicine department and international departments may be due to changes in technology, techniques, and regulations in use. This suggests that, despite the fact that our LDRLs could differ from those in other nations, our department optimizes the injected activity to reduce exposure while ensuring enough image quality for a trustworthy diagnostic.