Table 2. Type and average number of procedures performed per patient within the first year after diagnosis and in each of the subsequent years.
| Type of procedurea | Average number of procedures per patient and year | |
|---|---|---|
| First year | Follow-up years | |
| CT | ||
| Head | 0.34 | 0.01 |
| Neck | 2.59c | 0.59 |
| Thorax | 4.24c | 0.87 |
| Abdomen | 3.58c | 0.70 |
| Whole Body | 0.20 | 0.04 |
| Total | 10.95 (26)b | 2.23 (11)b |
| Radiography | ||
| Skull, PA | 0.08 | 0.01 |
| Skull, LAT | 0.01 | <0.01 |
| Chest, two planes | 2.44 | 0.31 |
| Chest, lying | 1.41 | 0.22 |
| Chest, one plane | 0.01 | 0.02 |
| Abdomen, AP | 0.19 | 0.05 |
| Abdomen, LAT | 0.07 | 0.01 |
| Total | 4.22 (33)b | 0.60 (16)b |
| Nuclear Medicine | ||
| Tc-99m HDP (bone scintigraphy) | 0.54 | 0.08 |
| Tc-99m MAG3 (kidney scintigraphy) | 0.03 | <0.01 |
| F-18 FDG-PET | 0.27 | 0.04 |
| Total | 0.84 (4)b | 0.17 (3)b |
| Total amount | 16.00 | 2.97 |
Note: aPA: Taken in direction posterior-anterior, AP: taken in direction anterior-posterior, LAT: taken from an lateral point of view, HDP: Hydroxydiphosphonate, MAG: Mercaptoacetyltriglycine, FDG: Fluorodeoxyglucose.
bMaximum number of procedures on one patient in parentheses.
cOverlapping CT scans of neck, thorax and abdomen acquired with different protocols in one session were counted as individual procedures and not as whole-body CT.