Single-source dual-energy computed tomography: Use of monoenergetic extrapolation for a reduction of metal artifacts

Investigative Radiology

Volumn 49, Issue 12, 2014, Pages 788-793

  Mangold, Stefanie ^a   Gatidis, Sergios ^a   Luz, Oliver ^a   König, Benjamin ^a   Schabel, Christoph ^a   Bongers, Malte N ^a   Flohr, Thomas G ^a,b   Claussen, Claus D ^a   Thomas, Christoph ^a  

^a UNIVERSITY OF TÜBINGEN   (Germany)

^b SIEMENS AG   (Germany)

Author keywords

Dual Energy; Monoenergetic extrapolation; Reduction of metal artifacts; Single source computed tomography

Indexed keywords

ADULT; ANKLE FRACTURE; ARTICLE; ARTIFACT REDUCTION; CLINICAL ARTICLE; COMPUTED TOMOGRAPHY SCANNER; COMPUTER ASSISTED TOMOGRAPHY; CONE BEAM COMPUTED TOMOGRAPHY; FEMALE; FOLLOW UP; FOURIER TRANSFORMATION; FRACTURE TREATMENT; HUMAN; IMAGE ANALYSIS; IMAGE RECONSTRUCTION; IMAGING SOFTWARE; MALE; METAL IMPLANTATION; MIDDLE AGED; PRIORITY JOURNAL; RETROSPECTIVE STUDY; VIRTUAL MONOENERGETIC RECONSTRUCTION; AGED; ARTIFACT; COMPUTER ASSISTED DIAGNOSIS; PROCEDURES; PROSTHESES AND ORTHOSES; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY;

METAL;

ADULT; AGED; ARTIFACTS; FEMALE; HUMANS; MALE; METALS; MIDDLE AGED; PROSTHESES AND IMPLANTS; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; REPRODUCIBILITY OF RESULTS; RETROSPECTIVE STUDIES; SENSITIVITY AND SPECIFICITY; TOMOGRAPHY, X-RAY COMPUTED;

EID: 84925939492     PISSN: 00209996     EISSN: 15360210     Source Type: Journal    
DOI: 10.1097/RLI.0000000000000083     Document Type: Article

References (25)

1. Barrett JF, Keat N. Artifacts in CT: recognition and avoidance. Radiographics. 2004;24:1679-1691.
2. Lee MJ, Kim S, Lee SA, et al. Overcoming artifacts from metallic orthopaedic implants at high-field-strenght MR imaging and multi-detector CT. Radiographics. 2007;27:791-803.
3. White LM, Buckwalter KA. Technical considerations: CTand MR imaging in the postoperative orthopaedic patient. Semin Musculoskelet Radiol. 2002;6:5-17.
4. Kalender WA, Hebel R, Ebersberger J. Reduction of CT artifacts caused by metallic implants. Radiology. 1987;164:576-577.
5. Glover GH, Pelc NJ. An algorithm for the reduction of metal clip artifacts in CT reconstructions. Med Phys. 1981;8:799-807.
6. Moon SG, Hong SH, Choi JY, et al. Metal artifact reduction by the alteration of technical factors in multidetector computed tomography: a 3-dimensional quantitative assessment. J Comput Assist Tomogr. 2008;32:630-633.
7. Vande Berg B, Malghem J, Maldague B, et al. Multi-detector CT imaging in the postoperative orthopedic patient with metal hardware. Eur J Radiol. 2006;60:470-479.
8. Link TM, Berning W, Scherf S, et al. CT of metal implants: reduction of artifacts using an extended CT scale technique. J Comput Assist Tomogr. 2000;24:165-172.
9. Fishman EK, Magid D, Robertson DD, et al. Metallic hip implants: CT with multiplanar reconstruction. Radiology. 1986;160:675-681.
10. Morsbach F, Bickelhaupt S, Wanner GA, et al. Reduction of metal artifacts from hip prostheses on CT images of the pelvis: value of iterative reconstructions. Radiology. 2013;268:237-244.
11. Wang G, Snyder DL, O'Sullivan JA, et al. Iterative deblurring for CT metal artifact reduction. IEEE Trans Med Imaging. 1996;15:657-664.
12. Wang G, Vannier MW, Cheng PC. Iterative x-ray cone-beam tomography for metal artifact reduction and local region reconstruction. Microsc Microanal. 1999;5:58-65.
13. Prell D, Kyriakou Y, Kachelrieß M, et al. Reducing metal artifacts in computed tomography caused by hip endoprostheses using a physics-based approach. Invest Radiol. 2010;45:747-754.
14. Lell MM, Meyer E, Kuefner MA, et al. Normalized metal artifact reduction in head and neck computed tomography. Invest Radiol. 2012;47:415-421.
15. Meyer E, Raupach R, Lell MM, et al. Normalized metal artifact reduction (NMAR) in computed tomography. Med Phys. 2010;37:6166-6177.
16. Yu L, Li H, Mueller J, et al. Metal artifact reduction from reformatted projections for hip prostheses in multislice helical computed tomography: techniques and initial clinical results. Invest Radiol. 2009;44:691-696.
17. Lewis M, Reid K, Toms AP. Reducing the effects of metal artefact using high keV monoenergetic reconstruction of dual energy CT (DECT) in hip replacements. Skeletal Radiol. 2013;42:275-282.
18. Guggenberger R, Winklhofer S, Osterhoff G, et al. Metallic artefact reduction with monoenergetic dual-energy CT: systematic ex vivo evaluation of posterior spinal fusion implants from various vendors and different spine levels. Eur Radiol. 2012;22:2357-2364.
19. Tanaka R, Hayashi T, Ike M, et al. Reduction of dark-band-like metal artifacts caused by dental implant bodies using hypothetical monoenergetic imaging after dual-energy computed tomography. Oral Surg Oral Med Oral Pathol Oral Radiol. 2013;115:833-838.
20. Stolzmann P, Winklhofer S, Schwendener N, et al. Monoenergetic computed tomography reconstructions reduce beam hardening artifacts from dental restorations. Forensic Sci Med Pathol. 2013;9:327-332.
21. Bamberg F, Dierks A, Nikolaou K, et al. Metal artifact reduction by dual energy computed tomography using monoenergetic extrapolation. Eur Radiol. 2011;21:1424-1429.
22. Zhou C, Zhao YE, Luo S, et al. Monoenergetic imaging of dual-energy CT reduces artifacts from implanted metal orthopedic devices in patients with factures. Acad Radiol. 2011;18:1252-1257.
23. Zhang D, Li X, Liu B. Objective characterization of GE discovery CT750 HD scanner: gemstone spectral imaging mode. Med Phys. 2011;38:1178-1188.
24. Xia T, Alessio AM, Kinahan PE. Noise and bias properties of monoenergetic images from DECT used for attenuation correction with PET/CT and SPECT/CT. Proc Soc Photo Opt Instrum Eng. 2010;7622:762225-762228.
25. Grant KL, Flohr TG, Krauss B, et al. Assessment of an advanced image-based technique to calculate virtual monoenergetic computed tomographic images from a dual-energy examination to improve contrast-to-noise ratio in examinations using iodinated contrast media. Invest Radiol. 2014. [Epub ahead of print].