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Color Doppler Energy(CDE):초기 10개월간의 경험

Color Doppler Energy(CDE) : Initial ten-Months Experience


Purpose : Color Doppler Imaging(CDI) has shortcomings, including random noise, aliasing, and angle dependence. To overcome these, a method using CD US, termed power doppler or Color Doppler Energy(CDE), has recently been introduced. The purpose of this study was to show the clinical usefulness of CDE. Materials and Methods : We retrospectively analyzed the CDI and CDE of 61 cases(20 renal pseudotumors, 8 musculoskeletal inflammations, 17 epididymitis or epididymo-orchitis, 3 vaicoceles, 1 normal testis, 1 hepatocellualar carcinoma, 7 renal cell carcinomas, 1 renal angiomyolipoma, and 3 splenic varices). CDI and CDE scans were obtained at the same region with constant scan plane. The color gain was increased until noise first became perceptible, and scans were always obtained in such a way that the maximum amount of vascularity was shown. Thereafter, the vascularity, vascular displacement, and the vascular relationship between CDI and CDE were compared. Result : In 17 of 20 cases of pseudotumor in the kidney, normal vascularity was identified in CDI and CDE, but was more clearly visible in CDE. In three cases, there was no visible vascularity in CDI, but normal vascularity in CDE. In eight cases of musculoskeletal inflammation and 17 cases of epididymitis with or without or chitis, the vascularity was increased due to hyperemia, which was more prominently seen in CDE than in CDI. In three varicoceles, CDE appeared to be better in demonstration low velocity flow. In one patient who was suspected of having acute testicular torsion, CDE was helpful in excluding this suspicion. In one case of hepatocellular carcinoma, seven cases of renal cellcarcinoma, one case of renal angiomyolipoma, and three cases of splenic varices, CDE was better than CDI in showing the vascularity, vascular relationship, and vascular displacement. Conclusion : CDE is a potentially useful adjunct to standard CDI.

참고문헌 (9)

  1. Power Doppler expands standard color capability , Jonathan M. Rubin;Ronald S. Adler , Diagn Imaging / v.,pp.66-69, 1993
  2. Doppler Artifacts , Kremkau FW , J Vasc Technol / v.14,pp.41;123;239, 1991
  3. Researchers Tell of Experience with Color Doppler Energy , Brenda Tilke , Adv Radiol Sci Prof / v.12,pp.2-3, 1994
  4. Color Doppler Energy Imaging , Franklin Tessler;Matthew Rifkin , Admini Radiol / v.,pp.17-20, 1994
  5. Princikples and instrumentation , Kremkau FW;c\Christopher R.(ed);B. Merritt(ed) , Doppler Color Imaging. (1st ed) / v.,pp.7-61, 1992
  6. power Doppler US : A Potentially Useful Alternative to Mean frequency-based Color Doppler US , Jonathan M. Rubin;Ronald O. Bude;Paul L. Carson;Robert L. Bree;Ronal S. Adler , Radiology / v.190,pp.853-856, 1994
  7. Power Doppler provides adjunct to standard CDI , Karen Sandrick , Diagn Imaging / v.,pp., 1995
  8. CDE : New Clinical Information to Lead to New Applications , Jim Arenson;John Allison , Adv Radiol Sci Prof / v.12,pp.2;4, 1994
  9. Power versus Conventional Color Doppler Sonography : Comparison in the Depiction of Normal Intrarenal Vasculature , Ronald O. Bude;Jonathan M. Rubin;Ronal S. Adler , Radiology / v.192,pp.777-780, 1994

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