Clinical Study
A Survey of Organ Equivalent and Effective Doses from Diagnostic Radiology Procedures
Table 3
Estimated entrance surface dose (ESD) for all projections and examinations compared with reported values in the literature.
| | Projection | Examination | Entrance surface dose (mGy) | | This work | Reference [28] | Reference [27] | Reference [25]$ | Reference [26] | | Mean | Mean | Mean | Range | Mean |
| | AP | Abdomen |
1.82
|
2.47
|
6
| | 0.21–7.21 |
2.67
| | AP | Cervical spine |
0.62
| — | — |
1.30
| — | — | | Lateral | Cervical spine |
0.44
| — | — |
1.03
| — | — | | | Cervical spine
*
| 0.50 | — | — | — | — | — | | Lateral | Chest |
0.94
|
0.20
|
1.0
|
0.30
| 0.12–1.48 |
0.56
| | PA | Chest |
0.14
|
0.11
|
0.2
|
0.33
| 0.02–0.38 |
0.17
| | | Chest
*
| 0.57 | — | — | — | — | — | | Lateral | Head |
0.76
|
1.13
|
1.5
|
0.95
| 0.54–2.08 |
1.13
| | AP/PA | Head |
1.67
|
1.64
|
3
|
1.15
| 0.62–2.68 |
1.57
| | | Head
*
| 1.22 | — | — | — | — | — | | AP | Hip |
0.87
| — | — | — | — | — | | AP | Lumbar Spine |
3.72
|
2.57
|
6
|
2.77
| 0.96–7.21 |
3.05
| | Lateral | Lumbar Spine |
6.28
|
5.41
|
14
|
4.43
| 0.59–17.66 |
7.84
| | Oblique | Lumbar Spine |
2.41
| — | — | — | — | — | | | Lumbar spine
*
| 4.65 | — | — | — | — | — | | AP | Pelvis |
1.57
|
1.84
|
4
|
2.08
| 0.91–7.02 |
2.86
| | AP | Shoulder |
0.25
| — | — | — | — | — | | AP | Thoracic Spine |
2.21
| — |
3.5
|
1.53
| — | — | | Lateral | Thoracic Spine |
1.65
| — |
10.0
| — | — | — | | | Thoracic spine
*
| 1.99 | — | — | — | — | — |
|
|
*Values are the results of all the various projections of the examination.
$The average of three hospitals.
|
