Table 5.
FOV size (cm)a | 4 × 4 |
4 × 4 | 6 × 6 |
6 × 6 |
14 × 5 | 14 × 5 | 8 × 8 |
10 × 10 | 17 × 12 |
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FOV position | Upper canine |
Lower molar | Upper frontal |
Lower molar |
Upper jaw | Lower jaw | Both jaws |
Both jaws | Maxillofacial |
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Rotation | Full | Half | Full | Full | Half | Full | Half | Full | Full | Full | Half | Full | Full | Half |
Red bone marrow | 37 | 18 | 69 | 114 | 74 | 94 | 49 | 161 | 124 | 156 | 99 | 295 | 379 | 244 |
Oesophagus | 23 | 14 | 58 | 42 | 26 | 106 | 75 | 73 | 303 | 193 | 103 | 241 | 277 | 129 |
Thyroid | 108 | 50 | 236 | 175 | 88 | 433 | 254 | 296 | 813 | 651 | 338 | 799 | 847 | 426 |
Skin | 45 | 27 | 32 | 72 | 50 | 85 | 54 | 108 | 107 | 120 | 70 | 167 | 218 | 130 |
Bone surface | 250 | 112 | 178 | 724 | 448 | 305 | 158 | 1039 | 341 | 682 | 470 | 1789 | 2414 | 1432 |
Salivary glands | 845 | 573 | 2011 | 2192 | 1583 | 3122 | 2083 | 3821 | 3879 | 4203 | 2946 | 5293 | 5737 | 3692 |
Brain | 53 | 21 | 40 | 149 | 116 | 85 | 76 | 210 | 84 | 184 | 112 | 491 | 1469 | 1035 |
Remainder tissuesb | 273 | 125 | 488 | 492 | 226 | 662 | 349 | 682 | 855 | 887 | 441 | 981 | 950 | 460 |
Effective dose | 54 | 27 | 101 | 113 | 62 | 148 | 85 | 168 | 206 | 211 | 118 | 272 | 303 | 169 |
Eye lens | 174 | 95 | 146 | 608 | 288 | 255 | 103 | 681 | 203 | 692 | 292 | 5308 | 6861 | 2284 |
FOV, field of view.
Diameter × height of cylindrical reconstructed FOV.
Extrathoracic region, lymphatic nodes, muscle and oral mucosa.