Low-dose MDCT urography: Feasibility study of low-tube-voltage technique and adaptive noise reduction filter

American Journal of Roentgenology

Volumn 193, Issue 3, 2009, Pages

  Yanaga, Yumi ^a   Awai, Kazuo ^a   Funama, Yoshinori ^b   Nakaura, Takeshi ^a   Hirai, Toshinori ^a   Roux, Sebastien ^c   Yamashita, Yasuyuki ^a  

^a KUMAMOTO UNIVERSITY   (Japan)

^b KUMAMOTO UNIVERSITY   (Japan)

^c PHILIPS HEALTHCARE   (United States)

Author keywords

Adaptive noise reduction filter; CT urography; MDCT; Radiation dose

Indexed keywords

ADULT; AGED; ARTICLE; CLINICAL ARTICLE; CONTROLLED STUDY; FEMALE; HUMAN; IMAGE ANALYSIS; IMAGE QUALITY; MALE; MULTIDETECTOR COMPUTED TOMOGRAPHY; NOISE REDUCTION; PRIORITY JOURNAL; QUALITATIVE ANALYSIS; URINARY TRACT; UROGRAPHY;

ADULT; AGED; AGED, 80 AND OVER; ARTIFACTS; CONTRAST MEDIA; FEASIBILITY STUDIES; FEMALE; HUMANS; IMAGE ENHANCEMENT; IOPAMIDOL; MALE; MIDDLE AGED; PROSPECTIVE STUDIES; RADIATION DOSAGE; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; TOMOGRAPHY, X-RAY COMPUTED; UROGRAPHY; UROLOGIC DISEASES;

EID: 69949109658     PISSN: 0361803X     EISSN: None     Source Type: Journal    
DOI: 10.2214/AJR.08.1710     Document Type: Article

References (30)

1. Dillman JR, Caoili EM, Cohan RH. Multi-detector CT urography: a one-stop renal and urinary tract imaging modality. Abdom Imaging 2007; 32:519-529 (Pubitemid 47383876)
2. Caoili EM, Cohan RH, Korobkin M, et al. Urinary tract abnormalities: initial experience with multi-detector row CT urography. Radiology 2002; 222:353-360 (Pubitemid 34106104)
3. McTavish JD, Jinzaki M, Zou KH, Nawfel RD, Silverman SG. Multi-detector row CT urography: comparison of strategies for depicting the normal urinary collecting system. Radiology 2002; 225:783-790 (Pubitemid 35387118)
4. Nawfel RD, Judy PF, Schleipman AR, Silverman SG. Patient radiation dose at CT urography and conventional urography. Radiology 2004; 232:126-132 (Pubitemid 38787827)
5. Eikefjord EN, Thorsen F, Rorvik J. Comparison of effective radiation doses in patients undergoing unenhanced MDCT and excretory urography for acute flank pain. AJR 2007; 188:934-939 (Pubitemid 46496922)
6. Coppenrath E, Meindl T, Herzog P, et al. Dose reduction in multidetector CT of the urinary tract: studies in a phantom model. Eur Radiol 2006; 16:1982-1989 (Pubitemid 44193183)
7. Chai RY, Jhaveri K, Saini S, Hahn PF, Nichols S, Mueller PR. Comprehensive evaluation of patients with haematuria on multi-slice computed tomography scanner: protocol design and preliminary observations. Australas Radiol 2001; 45:536-538 (Pubitemid 34595493)
8. Funama Y, Awai K, Nakayama Y, et al. Radiation dose reduction without degradation of low-contrast detectability at abdominal multisection CT with a low-tube voltage technique: phantom study. Radiology 2005; 237:905-910 (Pubitemid 41636380)
9. Nakayama Y, Awai K, Funama Y, et al. Abdominal CT with low tube voltage: preliminary observations about radiation dose, contrast enhancement, image quality, and noise. Radiology 2005; 237:945-951 (Pubitemid 41636385)
10. Khullar D, Subramanyan K, Johnson P. Evaluation of a noise-reduction contrast-enhancement algorithm for CT cardiac angiography. Proc SPIE 2005; 5749:310-318 (Pubitemid 41275019)
11. Sigal-Cinqualbre AB, Hennequin R, Abada HT, Chen X, Paul JF. Low-kilovoltage multi-detector row chest CT in adults: feasibility and effect on image quality and iodine dose. Radiology 2004; 231:169-174 (Pubitemid 38375425)
12. Nakayama Y, Awai K, Funama Y, et al. Lower tube voltage reduces contrast material and radiation doses on 16-MDCT aortography. AJR 2006; 187:1266; [web]W490-W497
13. Schueller-Weidekamm C, Schaefer-Prokop CM, Weber M, Herold CJ, Prokop M. CT angiography of pulmonary arteries to detect pulmonary embolism: improvement of vascular enhancement with low kilovoltage settings. Radiology 2006; 241:899-907 (Pubitemid 46190558)
14. Waaijer A, Prokop M, Velthuis BK, Bakker CJ, de Kort GA, van Leeuwen MS. Circle of Willis at CT angiography: dose reduction and image quality - reducing tube voltage and increasing tube current settings. Radiology 2007; 242:832-839 (Pubitemid 46310097)
15. Kalender WA, Wolf H, Suess C. Dose reduction in CT by anatomically adapted tube current modulation. Part 2. Phantom measurements. Med Phys 1999; 26:2248-2253
16. Kawashima A, Vrtiska TJ, LeRoy AJ, Hartman RP, McCollough CH, King BF Jr. CT urography. RadioGraphics 2004; 24[suppl 1]:S35-S54
17. Noroozian M, Cohan RH, Caoili EM, Cowan NC, Ellis JH. Multislice CT urography: state of the art. Br J Radiol 2004; 77 [spec no. 1]:S74-S86
18. Jessen KA, Shrimpton PC, Geleijns J, Panzer W, Tosi G. Dosimetry for optimisation of patient protection in computed tomography. Appl Radiat Isot 1999; 50:165-172 (Pubitemid 29048998)
19. McCollough CH, Bruesewitz MR, Kofler JM Jr. CT dose reduction and dose management tools: overview of available options. RadioGraphics 2006; 26:503-512
20. Kalra MK, Maher MM, Toth TL, et al. Techniques and applications of automatic tube current modulation for CT. Radiology 2004; 233:649-657
21. Strauss KJ, Kaste SC. The ALARA (as low as reasonably achievable) concept in pediatric interventional and fluoroscopic imaging: striving to keep radiation doses as low as possible during fluoroscopy of pediatric patients - a white paper executive summary. Radiology 2006; 240:621-622
22. Nolte-Ernsting C, Cowan N. Understanding multislice CT urography techniques: many roads lead to Rome. Eur Radiol 2006; 16:2670-2686 (Pubitemid 44823921)
23. Hurwitz LM, Yoshizumi TT, Goodman PC, et al. Effective dose determination using an anthropomorphic phantom and metal oxide semiconductor field effect transistor technology for clinical adult body multidetector array computed tomography protocols. J Comput Assist Tomogr 2007; 31: 544-549
24. Hamm M, Knopfle E, Wartenberg S, Wawroschek F, Weckermann D, Harzmann R. Low dose unenhanced helical computerized tomography for the evaluation of acute flank pain. J Urol 2002; 167:1687-1691 (Pubitemid 34240703)
25. Meagher T, Sukumar VP, Collingwood J, et al. Low dose computed tomography in suspected acute renal colic. Clin Radiol 2001; 56:873-876 (Pubitemid 35023825)
26. McCollough CH. Automatic exposure control in CT: are we done yet? Radiology 2005; 237:755-756
27. Caoili EM, Inampudi P, Cohan RH, Ellis JH. Optimization of multi-detector row CT urography: effect of compression, saline administration, and prolongation of acquisition delay. Radiology 2005; 235:116-123 (Pubitemid 40432244)
28. Jago J, Collet-Billon A, Chenal C, Jong J, Makram-Ebeid S. XRES: adaptive enhancement of ultrasound images. Medicamundi 2002; 46:36-41
29. Meuwly JY, Thiran JP, Gudinchet F. Application of adaptive image processing technique to real-time spatial compound ultrasound imaging improves image quality. Invest Radiol 2003; 38:257-262 (Pubitemid 36535031)
30. Burt P, Adelson E. The Laplacian pyramid as compact image code. IEEE Trans Commun 1983; 31:532-540 (Pubitemid 13521088)