A prospective comparison of standard-dose CT enterography and 50% reduced-dose CT enterography with and without noise reduction for evaluating Crohn disease

American Journal of Roentgenology

Volumn 197, Issue 1, 2011, Pages 50-57

  Lee, So Jung ^a   Park, Seong Ho ^a   Kim, Ah Young ^a   Yang, Suk Kyun ^a   Yun, Sung Cheol ^a   Lee, Seung Soo ^a   Jung, Gyoo Sik ^b   Ha, Hyun Kwon ^a  

^a University of Ulsan College of Medicine   (South Korea)

^b Kosin University College of Medicine   (South Korea)

Author keywords

Crohn disease; CT enterography; Iterative reconstruction; Low dose; Radiation reduction

Indexed keywords

ADULT; ARTICLE; COMPUTED TOMOGRAPHIC ENTEROGRAPHY; COMPUTED TOMOGRAPHY SCANNER; COMPUTER ASSISTED TOMOGRAPHY; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; CROHN DISEASE; FEMALE; HUMAN; IMAGE ENHANCEMENT; IMAGE QUALITY; IMAGE RECONSTRUCTION; INTERMETHOD COMPARISON; MAJOR CLINICAL STUDY; MALE; NOISE REDUCTION; PRIORITY JOURNAL; PROSPECTIVE STUDY; RADIATION ATTENUATION; RADIATION DOSE; RADIOLOGIST; SMALL INTESTINE DISEASE;

ADULT; ARTIFACTS; CROHN DISEASE; FEMALE; HUMANS; MALE; PROSPECTIVE STUDIES; RADIATION DOSAGE; RADIATION INJURIES; RADIATION PROTECTION; RADIOGRAPHIC IMAGE ENHANCEMENT; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; TOMOGRAPHY, X-RAY COMPUTED;

EID: 79960509008     PISSN: 0361803X     EISSN: 15463141     Source Type: Journal    
DOI: 10.2214/AJR.11.6582     Document Type: Article

References (32)

1. Hara AK, Swartz PG. CT enterography of Crohn's disease. Abdom Imaging 2009; 34:289-295
2. Huprich JE, Fletcher JG. CT enterography: principles, technique and utility in Crohn's disease. Eur J Radiol 2009; 69:393-397
3. Paulsen SR, Huprich JE, Hara AK. CT enterography: noninvasive evaluation of Crohn's disease and obscure gastrointestinal bleed. Radiol Clin North Am 2007; 45:303-315 (Pubitemid 46719273)
4. Brenner DJ, Hall EJ. Computed tomography: an increasing source of radiation exposure. N Engl J Med 2007; 357:2277-2284 (Pubitemid 350190758)
5. Sartor RB. Current concepts of the etiology and pathogenesis of ulcerative colitis and Crohn's disease. Gastroenterol Clin North Am 1995; 24: 475-507
6. Lee SS, Kim AY, Yang SK, et al. Crohn disease of the small bowel: comparison of CT enterography, MR enterography, and small-bowel follow-through as diagnostic techniques. Radiology 2009; 251:751-761
7. Siddiki H, Fidler J. MR imaging of the small bowel in Crohn's disease. Eur J Radiol 2009; 69:409-417
8. Ippolito D, Invernizzi F, Galimberti S, Panelli MR, Sironi S. MR enterography with polyethylene glycol as oral contrast medium in the follow-up of patients with Crohn disease: comparison with CT enterography. Abdom Imaging 2010; 35:563-570
9. Siddiki HA, Fidler JL, Fletcher JG, et al. Prospective comparison of state-of-the-art MR enterography and CT enterography in small-bowel Crohn's disease. AJR 2009; 193:113-121
10. Allen BC, Baker ME, Einstein DM, et al. Effect of altering automatic exposure control settings and quality reference mAs on radiation dose, image quality, and diagnostic efficacy in MDCT enterography of active inflammatory Crohn's disease. AJR 2010; 195:89-100
11. Kambadakone AR, Prakash P, Hahn PF, Sahani DV. Low-dose CT examinations in Crohn's disease: impact on image quality, diagnostic performance, and radiation dose. AJR 2010; 195:78-88
12. McCollough CH, Bruesewitz MR, Kofler JM. CT dose reduction and dose management tools: overview of available options. RadioGraphics 2006; 26:503-512 (Pubitemid 43515321)
13. McCollough CH, Primak AN, Braun N, Kofler J, Yu L, Christner J. Strategies for reducing radiation dose in CT. Radiol Clin North Am 2009; 47:27-40
14. Pontana F, Pagniez J, Flohr T, et al. Chest computed tomography using iterative reconstruction vs filtered back projection. Part 1. Evaluation of image noise reduction in 32 patients. Eur Radiol 2011; 21:627-635
15. Silva AC, Lawder HJ, Hara A, Kujak J, Pavlicek W. Innovations in CT dose reduction strategy: application of the adaptive statistical iterative reconstruction algorithm. AJR 2010; 194:191-199
16. Hara AK, Paden RG, Silva AC, Kujak JL, Lawder HJ, Pavlicek W. Iterative reconstruction technique for reducing body radiation dose at CT: feasibility study. AJR 2009; 193:764-771
17. Prakash P, Kalra MK, Kambadakone AK, et al. Reducing abdominal CT radiation dose with adaptive statistical iterative reconstruction technique. Invest Radiol 2010; 45:202-210
18. Sagara Y, Hara AK, Pavlicek W, Silva AC, Paden RG, Wu Q. Abdominal CT: comparison of low-dose CT with adaptive statistical iterative reconstruction and routine-dose CT with filtered back projection in 53 patients. AJR 2010; 195:713-719
19. Singh S, Kalra MK, Hsieh J, et al. Abdominal CT: comparison of adaptive statistical iterative and filtered back projection reconstruction techniques. Radiology 2010; 257:373-383
20. Kundel HL, Polansky M. Measurement of observer agreement. Radiology 2003; 228:303-308 (Pubitemid 36910064)
21. Kalra MK, Prasad S, Saini S, et al. Clinical comparison of standard-dose and 50% reduced-dose abdominal CT: effect on image quality. AJR 2002; 179:1101-1106 (Pubitemid 35204358)
22. Flicek KT, Hara AK, Silva AC, Wu Q, Peter MB, Johnson CD. Reducing the radiation dose for CT colonography using adaptive statistical iterative reconstruction: a pilot study. AJR 2010; 195:126-131
23. Laghi A, Borrelli O, Paolantonio P, et al. Contrast enhanced magnetic resonance imaging of the terminal ileum in children with Crohn's disease. Gut 2003; 52:393-397 (Pubitemid 36250060)
24. Colombel JF, Solem CA, Sandborn WJ, et al. Quantitative measurement and visual assessment of ileal Crohn's disease activity by computed tomography enterography: correlation with endoscopic severity and C reactive protein. Gut 2006; 55:1561-1567 (Pubitemid 44629202)
25. Madureira AJ. The comb sign. Radiology 2004; 230:783-784 (Pubitemid 38252877)
26. International Commission on Radiological Protection. 2007 Recommendations of the International Commission on Radiological Protection (ICRP publication 103). Ann ICRP 2007; 37:1-332
27. Deak PD, Smal Y, Kalender WA. Multisection CT protocols: sex- and age-specific conversion factors used to determine effective dose from dose-length product. Radiology 2010; 257:158-166
28. Karabulut N, Boyaci N, Yagci B, Herek D, Kiroglu Y. Computed tomography evaluation of the normal appendix: comparison of low-dose and standard-dose unenhanced helical computed tomography. J Comput Assist Tomogr 2007; 31:732-740 (Pubitemid 47482494)
29. Keyzer C, Tack D, de Maertelaer V, Bohy P, Gevenois PA, Van Gansbeke D. Acute appendicitis: comparison of low-dose and standard-dose unenhanced multi-detector row CT. Radiology 2004; 232:164-172 (Pubitemid 38787833)
30. Platon A, Jlassi H, Rutschmann OT, et al. Evaluation of a low-dose CT protocol with oral contrast for assessment of acute appendicitis. Eur Radiol 2009; 19:446-454
31. Seo H, Lee KH, Kim HJ, et al. Diagnosis of acute appendicitis with sliding slab ray-sum interpretation of low-dose unenhanced CT and standard-dose IV contrast-enhanced CT scans. AJR 2009; 193:96-105
32. Leng S, Yu L, McCollough CH. Radiation dose reduction at CT enterography: how low can we go while preserving diagnostic accuracy? AJR 2010; 195:76-77