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Table 2.

Estimated RBM radiation doses for personal diagnostic X-ray procedures reported by technologists and the corresponding weighted RBM radiation dose score, U.S. Radiologic Technologists Study

Examination type reported by technologists*Examination type included in Preston-Martin and colleagues, 2003RBM dose (mGy) per examination in Preston-Martin and colleagues, 2003Proportion of examinations in Preston-Martin and colleagues, 2003 by grouped categoryNumber of examinations reported by radiologic technologists (total = 5,287)Proportion of total examinations reported by radiologic technologistsWeighted RBM dose score assigned to examinations reported by technologists
Face or neck X-ray Cervical spine 0.1 0.55 410 0.08 0.2 
 Facial/nasal bones 0.1 0.04    
 Mandible 0.1 0.02    
 Neck soft tissue 0.1 0.02    
 Sinuses 0.1 0.26    
 Skull 0.5 0.11    
Spine or back X-ray Entire spine 2.4 0.06 711 0.13 1.4 
 Lumbar spine 1.5 0.24    
 Lumbosacral spine 1.1 0.44    
 Myelogram 3.7 0.05    
 Sacrum/coccyx 1.7 0.02    
 Thoracic 0.7 0.14    
 Thoracic/cervical spine 0.4 0.01    
 Thoraco-lumbar spine 2.4 0.03    
GI or abdomen X-ray Abdomen 0.4 0.27 641 0.12 3.8 
 Barium enema 6.3 0.16    
 Cholangiogram 2.3 0.02    
 Cholecystogram 1.6 0.03    
 Colon 1.3    
 Endoscopic Retrograde Cholangiopancreatography 4.2 0.01    
 Esophagram 4.1 0.01    
 GI tract 0.7 0.01    
 Lower GI Series 6.3 0.2    
 Pancreas 1.0    
 Small bowel series 3.5    
 Small bowel 3.5    
 Upper GI series 3.6 0.23    
 Upper GI + esophagram 7.7 0.02    
 Upper GI + small bowel 7.1 0.03    
Urinary system X-ray Cystogram 1.7 0.01 138 0.03 1.6 
 Kidneys/ureters/bladder 0.5 0.32    
 Pyelogram, i.v. 2.1 0.59    
 Pyelogram, retrograde 2.2 0.07    
 Urethrogram 2.6 0.01    
Bony pelvis or hip X-ray Hip 0.4 0.42 385 0.07 0.4 
 Pelvis 0.4 0.43    
 Pelvis/hips 0.6 0.15    
Chest X-ray Chest 0.05 0.97 2,463 0.47 0.1 
 Ribs 0.4 0.02    
 Sternum 0.6 0.01    
Chest fluoroscopy Chest, fluoroscopic 1.4 NA§ 206 0.04 1.4 
Cerebral arteriogram Cerebral arteriogram 1.0 NA 23 0.00 1.0 
Carotid arteriogram Cerebral arteriogram 1.0 NA 15 0.00 1.0 
Pulmonary arteriogram Pulmonary arteriogram 1.4 NA 0.0 1.4 
Renal arteriogram Renal arteriogram 2.1 NA 0.00 2.1 
Coronary angiogram Coronary angiogram 12.7 NA 91 0.02 12.7 
Head or neck CT Head/neck 3.0 NA 65 0.01 3.0 
Chest CT Chest 9.6 NA 43 0.01 9.6 
Abdomen CT Abdomen 14.6 NA 36 0.01 14.6 
Pelvis CT Pelvis 9.1 NA 0.00 9.1 
Upper back CT Thoracic spine 2.6 NA 0.00 2.6 
Lower back CT Lumbar spine 5.6 0.56 31 0.01 4.8 
 Lumbosacral spine 3.9 0.44    
Whole body CT Whole body 3.5 NA 0.00 3.5 
Examination type reported by technologists*Examination type included in Preston-Martin and colleagues, 2003RBM dose (mGy) per examination in Preston-Martin and colleagues, 2003Proportion of examinations in Preston-Martin and colleagues, 2003 by grouped categoryNumber of examinations reported by radiologic technologists (total = 5,287)Proportion of total examinations reported by radiologic technologistsWeighted RBM dose score assigned to examinations reported by technologists
Face or neck X-ray Cervical spine 0.1 0.55 410 0.08 0.2 
 Facial/nasal bones 0.1 0.04    
 Mandible 0.1 0.02    
 Neck soft tissue 0.1 0.02    
 Sinuses 0.1 0.26    
 Skull 0.5 0.11    
Spine or back X-ray Entire spine 2.4 0.06 711 0.13 1.4 
 Lumbar spine 1.5 0.24    
 Lumbosacral spine 1.1 0.44    
 Myelogram 3.7 0.05    
 Sacrum/coccyx 1.7 0.02    
 Thoracic 0.7 0.14    
 Thoracic/cervical spine 0.4 0.01    
 Thoraco-lumbar spine 2.4 0.03    
GI or abdomen X-ray Abdomen 0.4 0.27 641 0.12 3.8 
 Barium enema 6.3 0.16    
 Cholangiogram 2.3 0.02    
 Cholecystogram 1.6 0.03    
 Colon 1.3    
 Endoscopic Retrograde Cholangiopancreatography 4.2 0.01    
 Esophagram 4.1 0.01    
 GI tract 0.7 0.01    
 Lower GI Series 6.3 0.2    
 Pancreas 1.0    
 Small bowel series 3.5    
 Small bowel 3.5    
 Upper GI series 3.6 0.23    
 Upper GI + esophagram 7.7 0.02    
 Upper GI + small bowel 7.1 0.03    
Urinary system X-ray Cystogram 1.7 0.01 138 0.03 1.6 
 Kidneys/ureters/bladder 0.5 0.32    
 Pyelogram, i.v. 2.1 0.59    
 Pyelogram, retrograde 2.2 0.07    
 Urethrogram 2.6 0.01    
Bony pelvis or hip X-ray Hip 0.4 0.42 385 0.07 0.4 
 Pelvis 0.4 0.43    
 Pelvis/hips 0.6 0.15    
Chest X-ray Chest 0.05 0.97 2,463 0.47 0.1 
 Ribs 0.4 0.02    
 Sternum 0.6 0.01    
Chest fluoroscopy Chest, fluoroscopic 1.4 NA§ 206 0.04 1.4 
Cerebral arteriogram Cerebral arteriogram 1.0 NA 23 0.00 1.0 
Carotid arteriogram Cerebral arteriogram 1.0 NA 15 0.00 1.0 
Pulmonary arteriogram Pulmonary arteriogram 1.4 NA 0.0 1.4 
Renal arteriogram Renal arteriogram 2.1 NA 0.00 2.1 
Coronary angiogram Coronary angiogram 12.7 NA 91 0.02 12.7 
Head or neck CT Head/neck 3.0 NA 65 0.01 3.0 
Chest CT Chest 9.6 NA 43 0.01 9.6 
Abdomen CT Abdomen 14.6 NA 36 0.01 14.6 
Pelvis CT Pelvis 9.1 NA 0.00 9.1 
Upper back CT Thoracic spine 2.6 NA 0.00 2.6 
Lower back CT Lumbar spine 5.6 0.56 31 0.01 4.8 
 Lumbosacral spine 3.9 0.44    
Whole body CT Whole body 3.5 NA 0.00 3.5 

Abbreviation: GI, gastrointestinal.

*

Ascertained from telephone interview at the time of blood collection.

Reported by Preston-Martin and Pogoda (2003).

Determined by weighting each Preston-Martin and Pogoda (2003) exam dose by the frequency with which the exam type occurred in their study population and is an approximation of 1 mGy, because of the uncertainties in recall of various procedures we prefer using the term “diagnostic RBM radiation dose score” rather than standard dose units.

§

Not applicable.

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