Differentiation of urinary calculi with dual energy CT: Effect of spectral shaping by high energy tin filtration

Investigative Radiology

Volumn 45, Issue 7, 2010, Pages 393-398

  Thomas, Christoph ^a   Krauss, Bernhard ^b   Ketelsen, Dominik ^a   Tsiflikas, Ilias ^a   Reimann, Anja ^a   Werner, Matthias ^a   Schilling, David ^a   Hennenlotter, Jörg ^a   Claussen, Claus D ^a   Schlemmer, Heinz Peter ^a   Heuschmid, Martin ^a  

^a UNIVERSITY OF TÜBINGEN   (Germany)

^b SIEMENS AG   (Germany)

Author keywords

dual energy CT; kidney stones; spectral shaping; tin filter; urinary calculi

Indexed keywords

CALCIUM OXALATE; CALCIUM PHOSPHATE DIBASIC; CYSTINE; URIC ACID; TIN;

ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; GLOMERULUS FILTRATION RATE; HUMAN; HUMAN TISSUE; IN VITRO STUDY; PRIORITY JOURNAL; UROLITHIASIS; X RAY SPECTROMETRY; ALGORITHM; COMPUTER ASSISTED DIAGNOSIS; DEVICES; DIFFERENTIAL DIAGNOSIS; FILTRATION; IMAGE QUALITY; PROCEDURES; RADIOGRAPHY; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY; UROGRAPHY;

ALGORITHMS; DIAGNOSIS, DIFFERENTIAL; FILTRATION; HUMANS; PHANTOMS, IMAGING; RADIOGRAPHIC IMAGE ENHANCEMENT; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; RADIOGRAPHY, DUAL-ENERGY SCANNED PROJECTION; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; TIN; TOMOGRAPHY, X-RAY COMPUTED; URINARY CALCULI; UROGRAPHY;

EID: 77954085666     PISSN: 00209996     EISSN: 15360210     Source Type: Journal    
DOI: 10.1097/RLI.0b013e3181df9d28     Document Type: Article

References (26)

1. Heidenreich A, Desgrandschamps F, Terrier F. Modern approach of diagnosis and management of acute flank pain: review of all imaging modalities. Eur Urol. 2002;41:351-362.
2. Poletti PA, Platon A, Rutschmann OT, et al. Low-dose versus standard-dose CT protocol in patients with clinically suspected renal colic. Am J Roentge-nol. 2007;188:927-933.
3. Kalra MK, Maher MM, D'Souza RV, et al. Detection of urinary tract stones at low-radiation-dose CT with z-axis automatic tube current modulation: phantom and clinical studies. Radiology. 2005;235:523-529.
4. Wong SK, Ng LG, Tan BS, et al. Acute renal colic: value of unenhanced spiral computed tomography compared with intravenous urography. Ann Acad Med Singapore. 2001;30:568-572.
5. Sheir KZ, Mansour O, Madbouly K, et al. Determination of the chemical composition of urinary calculi by noncontrast spiral computerized tomography. Urol Res. 2005;33:99-104.
6. Hurtado F, Gutierrez J, Castano-Tostado E, et al. In-vivo relation between CT attenuation value and shockwave fragmentation. J Endourol. 2007;21:343-346.
7. Flohr TG, McCollough CH, Bruder H, et al. First performance evaluation of a dual-source CT (DSCT) system. Eur Radiol. 2006;16:256-268.
8. Primak AN, Fletcher JG, Vrtiska TJ, et al. Noninvasive differentiation of uric acid versus non-uric acid kidney stones using Dual-Energy CT. Acad Radiol. 2007;14:1441-1447.
9. Grosjean R, Sauer B, Guerra RM, et al. Characterization of human renal stones with MDCT: advantage of dual energy and limitations due to respiratory motion. Am J Roentgenol. 2008;190:720-728.
10. Graser A, Johnson TR, Bader M, et al. Dual energy CT characterization of urinary calculi: initial in vitro and clinical experience. Invest Radiol. 2008; 43:112-119.
11. Stolzmann P, Scheffel H, Rentsch K, et al. Dual-energy computed tomography for the differentiation of uric acid stones: ex vivo performance evaluation. Urol Res. 2008;36:133-138.
12. Thomas C, Patschan O, Ketelsen D, et al. Dual-energy CT for the characterization of urinary calculi: in vitro and in vivo evaluation of a low-dose scanning protocol. Eur Radiol. 2009;19:1553-1559.
13. Boll DT, Patil NA, Paulson EK, et al. Renal stone assessment with dual-energy multidetector CT and advanced postprocessing techniques: improved characterization of renal stone composition\pilot study. Radiology. 2009; 250:813-820.
14. Graser A, Johnson TR, Chandarana H, et al. Dual energy CT: preliminary observations and potential clinical applications in the abdomen. Eur Radiol. 2008;19:13-23.
15. Primak AN, Ramirez Giraldo JC, Liu X, et al. Improved dual-energy material discrimination for dual-source CT by means of additional spectral filtration. Med Phys. 2009;36:1359-1369.
16. Mostafavi MR, Ernst RD, Saltzman B. Accurate determination of chemical composition of urinary calculi by spiral computerized tomography. J Urol. 1998;159:673-675.
17. Deveci S, Coskun M, Tekin MI, et al. Spiral computed tomography: role in determination of chemical compositions of pure and mixed urinary stones\an in vitro study. Urology. 2004;64:237-240.
18. Sommer WH, Johnson TR, Becker CR, et al. The value of dual-energy bone removal in maximum intensity projections of lower extremity computed tomography angiography. Invest Radiol. 2009;44:285-292.
19. Morhard D, Fink C, Graser A, et al. Cervical and cranial computed tomo-graphic angiography with automated bone removal: dual energy computed tomography versus standard computed tomography. Invest Radiol. 2009;44: 293-297.
20. Lell MM, Kramer M, Klotz E, et al. Carotid computed tomography angiog-raphy with automated bone suppression: a comparative study between dual energy and bone subtraction techniques. Invest Radiol. 2009;44:322-328.
21. Thomas C, Korn A, Krauss B, et al. Automatic bone and plaque removal using dual energy CT for head and neck angiography: feasibility and initial performance evaluation. Eur J Radiol. 2009 June 10. [Epub ahead of print]
22. Uotani K, Watanabe Y, Higashi M, et al. Dual-energy CT head bone and hard plaque removal for quantification of calcified carotid stenosis: utility and comparison with digital subtraction angiography. Eur Radiol. 2009;19:2060-2065.
23. Scheffel H, Stolzmann P, Frauenfelder T, et al. Dual-energy contrast-enhanced computed tomography for the detection of urinary stone disease. Invest Radiol. 2007;42:823-829.
24. Takahashi N, Hartman RP, Vrtiska TJ, et al. Dual-energy CT iodine-subtraction virtual unenhanced technique to detect urinary stones in an iodine-filled collecting system: a phantom study. Am J Roentgenol. 2008;190:1169-1173.
25. Behrendt FF, Schmidt B, Plumhans C, et al. Image fusion in dual energy computed tomography: effect on contrast enhancement, signal-to-noise ratio and image quality in computed tomography angiography. Invest Radiol. 2009;44:1-6.
26. Graser A, Staehler M, Macari M, et al. Single-phase Dual Energy CT allows for characterization of renal masses as benign or malignant. Invest Radiol. 2010;45:399-405.