Abdominal Multislice CT for Obese Patients: Effect on Image Quality and Radiation Dose in a Phantom Study

Academic Radiology

Volumn 14, Issue 4, 2007, Pages 486-494

  Schindera, Sebastian T ^a   Nelson, Rendon C ^a   Lee, Ellie R ^a   DeLong, David M ^a   Ngyen, Giao ^a   Toncheva, Greta ^a   Yoshizumi, Terry T ^a  

^a DUKE UNIVERSITY MEDICAL CENTER   (United States)

Author keywords

abdominal imaging; Computed tomography; image quality; radiation dose

Indexed keywords

FAT;

ABDOMEN; ABDOMINAL MULTISLICE COMPUTED TOMOGRAPHY; ADULT; AGED; ANALYSIS OF VARIANCE; ANTHROPOMETRY; ARTICLE; CLINICAL ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; FEMALE; HUMAN; HUMAN TISSUE; IMAGE QUALITY; MALE; MATERIALS; NOISE; OBESITY; ORGAN; PARAMETER; PHANTOM; PITCH; PRIORITY JOURNAL; RADIATION DOSE; RANK SUM TEST; SIMULATION; SKIN; STATISTICAL ANALYSIS; STATISTICAL SIGNIFICANCE; STUDENT T TEST; SUBCUTANEOUS FAT; THICKNESS;

ANALYSIS OF VARIANCE; CALIBRATION; FEMALE; HUMANS; OBESITY; PHANTOMS, IMAGING; RADIATION DOSAGE; RADIOGRAPHY, ABDOMINAL; STATISTICS, NONPARAMETRIC; TOMOGRAPHY, X-RAY COMPUTED;

EID: 33947189982     PISSN: 10766332     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.acra.2007.01.030     Document Type: Article

References (21)

1. Wang Y., Monteiro C., and Popkin B.M. Trends of obesity and underweight in older children and adolescents in the United States, Brazil, China, and Russia. Am J Clin Nutr 75 (2002) 971-977
2. Silventoinen K., Sans S., Tolonen H., et al. Trends in obesity and energy supply in the WHO MONICA Project. Int J Obes Relat Metab Disord 28 (2004) 710-718
3. Ogden C.L., Carroll M.D., Curtin L.R., et al. Prevalence of overweight and obesity in the United States, 1999-2004. JAMA 295 (2006) 1549-1555
4. Mun E.C., Blackburn G.L., and Matthews J.B. Current status of medical and surgical therapy for obesity. Gastroenterology 120 (2001) 669-681
5. Huda W. Dose and image quality in CT. Pediatr Radiol 32 (2002) 709-713
6. Ende J.F., Huda W., Ros P.R., et al. Image mottle in abdominal CT. Invest Radiol 34 (1999) 282-286
7. Hendee W.R. Interaction of x and gamma rays in the body. In: Hendee W.R. (Ed). Medical radiation physics. 2nd ed. (1979), Year Book Medical Publishers, Inc, Chicago 171-172
8. Kalra M.K., Maher M.M., Toth T.L., et al. Comparison of Z-axis automatic tube current modulation technique with fixed tube current CT scanning of abdomen and pelvis. Radiology 232 (2004) 347-353
9. Kalra M.K., Maher M.M., Sahani D.V., et al. Low-dose CT of the abdomen: evaluation of image improvement with use of noise reduction filters pilot study. Radiology 228 (2003) 251-256
10. Wilting J.E., Zwartkruis A., van Leeuwen M.S., et al. A rational approach to dose reduction in CT: individualized scan protocols. Eur Radiol 11 (2001) 2627-2632
11. Nawfel R.D., Judy P.F., Silverman S.G., et al. Patient and personnel exposure during CT fluoroscopy-guided interventional procedures. Radiology 216 (2000) 180-184
12. Haaga J.R., Miraldi F., MacIntyre W., et al. The effect of mAs variation upon computed tomography image quality as evaluated by in vivo and in vitro studies. Radiology 138 (1981) 449-454
13. McCollough C.H., Bruesewitz M.R., and Kofler Jr. J.M. CT dose reduction and dose management tools: overview of available options. Radiographics 26 (2006) 503-512
14. Kalra M.K., Prasad S., Saini S., et al. Clinical comparison of standard-dose and 50% reduced-dose abdominal CT: effect on image quality. AJR Am J Roentgenol 179 (2002) 1101-1106
15. Donnelly L.F., Emery K.H., Brody A.S., et al. Minimizing radiation dose for pediatric body applications of single-detector helical CT: strategies at a large Children's Hospital. AJR Am J Roentgenol 176 (2001) 303-306
16. Irie T., and Inoue H. Individual modulation of the tube current-seconds to achieve similar levels of image noise in contrast-enhanced abdominal CT. AJR Am J Roentgenol 184 (2005) 1514-1518
17. Haaga J.R. Radiation dose management: weighing risk versus benefit. AJR Am J Roentgenol 177 (2001) 289-291
18. Kalra M.K., Maher M.M., Toth T.L., et al. Techniques and applications of automatic tube current modulation for CT. Radiology 233 (2004) 649-657
19. Kanehisa H., Miyatani M., Azuma K., et al. Influences of age and sex on abdominal muscle and subcutaneous fat thickness. Eur J Appl Physiol 91 (2004) 534-537
20. Snehalatha C., Ramachandran A., Satyavani K., et al. Computed axial tomographic scan measurement of abdominal fat distribution and its correlation with anthropometry and insulin secretion in healthy Asian Indians. Metabolism 46 (1997) 1220-1224
21. Yoshizumi T., Goodman P., Frush D.P., et al. Validation of CT organ dose assessment: MOSFET vs. TLD. AJR Am J Roentgenol (2007)