Table 6. Effective dose evaluated for each examination performed using the two CT procedures at the Radiological Department of Aosta Hospital for male and female standard adult patients.
| Exam type | Exams (protocols) list | Female |
Male |
||||
|
CT 8 slices |
CT 64 slices |
Variation from ICRP 60 |
CT 8 slices |
CT 64 slices |
Variation from ICRP 60 | ||
| (mSv) | (mSv) | (mSv) | (mSv) | ||||
| Vertebral spine | Lumbar spine* | 8.7 | 27.0 | −10% | 7.7 | 23.0 | −4% |
| Lumbar spine (pre- and post-contrast scan)* | 17.4 | 54.0 | −10% | 15.4 | 46.0 | −4% | |
| Thoracic spine* | 14.0 | 10.0 | 2% | 14.0 | 10.0 | 2% | |
| Thoracic spine (pre- and post-contrast scan)* | 28.0 | 20.0 | 2% | 28.0 | 20.0 | 2% | |
| Hip* | 5.8 | 14.0 | −18% | 5.8 | 14.0 | −22% | |
| Hip (pre- and post-contrast scan)* | 11.6 | 28.0 | −18% | 11.6 | 28.0 | −22% | |
| Cervical spine | 5.6 | 5.9 | −5% | 5.6 | 5.8 | −6% | |
| Cervical spine (pre- and post-contrast scan) | 11.2 | 11.8 | −5% | 11.2 | 11.6 | −6% | |
| Coccyx* | 5.2 | 16.0 | −24% | 5.3 | 16.0 | −24% | |
| Coccyx (with contrast)* | 10.4 | 32.0 | −24% | 10.6 | 32.0 | −24% | |
| Total body | Head–chest–abdomen* | 40.0 | 19.1 | −11% | 40.0 | 19.0 | −9% |
| Head–chest–abdomen (post-contrast scan)* | 41.0 | 20.3 | −12% | 41.0 | 20.2 | −11% | |
| Chest–abdomen* | 12.4 | 12.0 | −8% | 12.5 | 12.0 | −8% | |
| Chest–abdomen (post-contrast scan)* | 12.4 | 12.0 | −8% | 12.5 | 12.0 | −8% | |
| Abdomen | Total abdomen* | 6.4 | 5.7 | −15% | 6.2 | 5.5 | −14% |
| Total abdomen (pre- and post-contrast scan)* | 12.8 | 11.4 | −15% | 12.4 | 11.0 | −14% | |
| Abdomen superior (pre- and post-contrast scan)* | 7.8 | 7.6 | −5% | 7.2 | 6.8 | −3% | |
| Abdomen superior* | 3.9 | 3.8 | −5% | 3.6 | 3.4 | −3% | |
| Abdomen inferior (pre- and post-contrast scan)* | 16.2 | 7.0 | −20% | 16.6 | 7.4 | −24% | |
| Abdomen inferior* | 8.1 | 3.5 | −20% | 8.3 | 3.7 | −24% | |
| Kidney (pre- and post-contrast scan)* | 36.0 | 36.0 | −14% | 36.4 | 36.0 | 2% | |
| Virtual colonoscopy | 3.0 | 3.0 | −17% | 2.8 | 2.8 | 0% | |
| Chest | Chest high resolution | 3.7 | 1.2 | 9% | 3.7 | 1.2 | 9% |
| Chest* | 8.6 | 3.8 | 12% | 8.6 | 3.8 | 12% | |
| Chest (pre- and post-contrast scan)* | 17.2 | 7.6 | 12% | 17.2 | 7.6 | 12% | |
| Neck | Neck | 5.8 | 4.3 | −4% | 5.8 | 4.3 | −4% |
| Larynx | 5.8 | 4.3 | −4% | 5.8 | 4.3 | −4% | |
| Larynx (post-contrast scan)* | 5.8 | 4.3 | −4% | 5.8 | 4.3 | −4% | |
| Oral cavity – pharynx | 5.8 | 4.3 | −4% | 5.8 | 4.3 | −4% | |
| Oral cavity – pharynx (post-contrast scan)* | 5.8 | 4.3 | −4% | 5.8 | 4.3 | −4% | |
| Head | Ear | 2.8 | 3.6 | −38% | 2.8 | 3.6 | −38% |
| Ear (post-contrast scan)* | 2.8 | 3.6 | −38% | 2.8 | 3.6 | −38% | |
| Skull | 1.2 | 1.2 | −29% | 1.2 | 1.2 | −29% | |
| Intracranial angiography | 2.4 | 2.4 | −8% | 2.4 | 2.4 | −4% | |
| Paranasal sinus | 0.6 | 1.9 | −27% | 0.6 | 1.9 | −27% | |
| Paranasal sinus (pre- and post-contrast scan)* | 1.2 | 3.8 | −27% | 1.2 | 3.8 | −27% | |
| Face bone | 1.0 | 2.3 | −21% | 1.1 | 2.3 | −21% | |
| Face bone (post-contrast scan)* | 1.0 | 2.3 | −21% | 1.1 | 2.3 | −21% | |
| Cerebral | 1.2 | 1.2 | −29% | 1.2 | 1.2 | −29% | |
| Cerebral (pre- and post-contrast scan)* | 2.4 | 2.4 | −29% | 2.4 | 2.4 | −29% | |
| Eye socket | 0.4 | 1.0 | −41% | 0.4 | 1.0 | −41% | |
| Eye socket (post-contrast scan)* | 0.4 | 1.0 | −41% | 0.4 | 1.0 | −41% | |
*Protocols that use automatic exposure control.