How reliable are Hounsfield-unit measurements in forensic radiology?

Forensic Science International

Volumn 220, Issue 1-3, 2012, Pages 219-223

  Ruder, Thomas D ^a   Thali, Yannick ^a   Schindera, Sebastian T ^b   Torre, Simon A Dalla ^c   Zech, Wolf Dieter ^a   Thali, Michael J ^a   Ross, Steffen ^a   Hatch, Gary M ^a  

^a UNIVERSITY OF BERN   (Switzerland)

^b UNIVERSITY OF BERN   (Switzerland)

^c Swissmedic   (Switzerland)

Author keywords

Computed tomography; Forensic radiology; HU measurements; Object identification; Reference model; Reliability

Indexed keywords

ARTICLE; CLINICAL PROTOCOL; COMPUTER ASSISTED TOMOGRAPHY; CONTROLLED STUDY; FORENSIC IDENTIFICATION; HOUNSFIELD UNIT; IMAGE ANALYSIS; IMAGE DISPLAY; IMAGE PROCESSING; IMAGE QUALITY; INTERRATER RELIABILITY; INTRARATER RELIABILITY; MEDICAL PRACTICE; PHANTOM; PRIORITY JOURNAL; RADIATION MEASUREMENT; REPRODUCIBILITY; STANDARDIZATION;

EID: 84862678563     PISSN: 03790738     EISSN: 18726283     Source Type: Journal    
DOI: 10.1016/j.forsciint.2012.03.004     Document Type: Article

References (24)

1. Thali M.J., Yen K., Schweitzer W., Vock P., Boesch C., Ozdoba C., et al. Virtopsy, a new imaging horizon in forensic pathology: virtual autopsy by postmortem multislice computed tomography (MSCT) and magnetic resonance imaging (MRI)-a feasibility study. J. Forensic Sci. 2003, 48(2):386-403.
2. Poulsen K., Simonsen J. Computed tomography as routine in connection with medico-legal autopsies. Forensic Sci. Int. 2007, 171(2-3):190-197.
3. Rutty G.N., Morgan B., O'Donnell C., Leth P.M., Thali M. Forensic institutes across the world place CT or MRI scanners or both into their mortuaries. J. Trauma 2008, 65(2):493-494.
4. Brogdon B.G. Definitions in forenisc and radiology. Brogdons's Forensic Radiology 2010, 3-7. CRC Press Taylor & Francis Group, Boca Raton. M.J. Thali, M.D. Viner, B.G. Brogdon (Eds.).
5. Jackowski C., Thali M.J. Radiologic identification. The Virtopsy Approach 2009, 169-185. CRC Press Taylor & Francis Group, Boca Raton. M.J. Thali, R. Dirnhofer, P. Vock (Eds.).
6. Sidler M., Jackowski C., Dirnhofer R., Vock P., Thali M. Use of multislice computed tomography in disaster victim identification-advantages and limitations. Forensic Sci. Int. 2007, 169(2-3):118-128.
7. O'Donnell C., Iino M., Mansharana K., Leditsckea J., Woodford N. Contribution of postmortem multidetector CT scanning to identification of the deceased in a mass disaster: experience gained from the 2009 Victorian bushfires. Forensic Sci. Int. 2010, [Epub ahead of print]. 10.1016/j.forsciint.2010.05.026.
8. Weissleder R., Wittenberg J., Harisinghani M.G., Chen J.W. Imaging physics. Primer of Diagnostic Imaging 2007, 989-1069. Mosby Elsevier, Philadelphia. R. Weissleder, J. Wittenberg, M.G. Harisinghani, J.W. Chen (Eds.).
9. Huda W., Slone R. Computed tomography. Review of Radiologic Physics 2003, 121-136. Lippincott Williams & Wilkins, Philadelphia. W. Huda, R. Slone (Eds.).
10. Shiotani S., Kohno M., Ohashi N., Yamazaki K., Nakayama H., Ito Y., et al. Hyperattenuating aortic wall on postmortem computed tomography (PMCT). Radiat. Med. 2002, 20(4):201-206.
11. Jackowski C., Lussi A., Classens M., Kilchoer T., Bolliger S., Aghayev E. Extended CT scale overcomes restoration caused streak artifacts for dental identification in CT-3D color encoded automatic discrimination of dental restorations. J. Comput. Assist. Tomogr. 2006, 30(3):510-513.
12. Christe A., Aghayev E., Jackowski C., Thali M.J., Vock P. Drowning-post-mortem imaging findings by computed tomography. Eur. Radiol. 2008, 18(2):283-290.
13. Grabherr S., Ross S., Regenscheit P., Werner B., Oesterhelweg L., Bolliger S., Thali M.J. Detection of smuggled cocaine in cargo using MDCT. AJR Am. J. Roentgenol. 2008, 190(5):1390-1395.
14. Bolliger S.A., Oesterhelweg L., Spendlove D., Ross S., Thali M.J. Is differentiation of frequently encountered foreign bodies in corpses possible by Hounsfield density measurement?. J. Forensic Sci. 2009, 54(5):1119-1122.
15. Woisetschläger M., Lussi A., Persson A., Jackowski C. Fire victim identification by post-mortem dental CT: radiologic evaluation of restorative materials after exposure to high temperatures. Eur. J. Radiol. 2010, [Epub ahead of print]. 10.1016/j.ejrad.2010.06.012.
16. Flach P.M., Ross S.G., Christe A., Thali M.J. Clinical and forensic radiology are not the same. Brogdons's Forensic Radiology 2010, 409-439. CRC Press Taylor & Francis Group, Boca Raton. M.J. Thali, M.D. Viner, B.G. Brogdon (Eds.).
17. Siemens AG Medical Solutions, Syngo CT 2007E Gebrauchsanweisung, Siemens AG, Forchheim, 2007, p. 71.
18. Hofer M. Physikalische und technische grundlagen. CT-Kursbuch 2006, 6-13. Didamed Verlag GmbH, Düsseldorf. M. Hofer (Ed.).
19. Huda W., Slone R. X-ray interactions. Review of Radiologic Physics 2003, 34-48. Lippincott Williams & Wilkins, Philadelphia. W. Huda, R. Slone (Eds.).
20. Levi C., Gray J.E., McCullough E.C., Hattery R.R. The unreliability of CT numbers as absolute values. AJR Am. J. Roentgenol. 1982, 139(3):443-447.
21. Moström U., Ytterbergh C. Reliability of attenuation measurements in CT of the lumbar spine: evaluation with an anthropomorphic phantom. J. Comput. Assist. Tomogr. 1988, 12(3):474-481.
22. Strandberg S., Wretling M.L., Wredmark T., Shalabi A. Reliability of computed tomography measurements in assessment of thigh muscle cross-sectional area and attenuation. BMC Med. Imaging 2010, 10:18.
23. Kalender W.A. A phantom for standardization and quality control in spinal bone mineral measurements by QCT and DXA: design considerations and specifications. Med. Phys. 1992, 19(3):583-586.
24. Kalender W.A., Felsenberg D., Genant H.K., Fischer M., Dequeker J., Reeve J. The European Spine Phantom-a tool for standardization and quality control in spinal bone mineral measurements by DXA and QCT. Eur. J. Radiol. 1995, 20(2):83-92.