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Doppler sonographic enhancement of hepatic hemangiomas and hepatocellular carcinomas after perflenapent emulsion: preliminary study.

Abstract
Ultrasonographic microbubble contrast agents improve Doppler signals by increasing blood backscatter. We retrospectively reviewed our experience with perflenapent (EchoGen), an emulsion of liquid dodecafluoropentane, in the evaluation of 13 patients with focal hepatic lesions (10 hemangiomas and six hepatocellular carcinomas). Perflenapent improved the detection of color Doppler flow signals within the lesions. The hemangiomas showed peripheral nonpulsatile signals and the hepatocellular carcinomas showed more diffuse enhancement with both arterial and venous type signals. This preliminary study suggests that perflenapent administration may aid in the sonographic differentiation of these focal lesions.
AuthorsR Lopez-Ben, M L Robbin, T M Weber, J K Smith, L Needleman, L L Berland
JournalJournal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (J Ultrasound Med) Vol. 18 Issue 2 Pg. 109-16 (Feb 1999) ISSN: 0278-4297 [Print] England
PMID10206803 (Publication Type: Clinical Trial, Clinical Trial, Phase II, Clinical Trial, Phase III, Comparative Study, Journal Article, Multicenter Study, Randomized Controlled Trial)
Chemical References
  • Contrast Media
  • Emulsions
  • Fluorocarbons
  • perfluoropentane
Topics
  • Adult
  • Aged
  • Blood Flow Velocity
  • Carcinoma, Hepatocellular (blood supply, diagnostic imaging, physiopathology)
  • Contrast Media (administration & dosage)
  • Diagnosis, Differential
  • Emulsions
  • Female
  • Fluorocarbons (administration & dosage)
  • Follow-Up Studies
  • Hemangioma, Cavernous (blood supply, diagnostic imaging, physiopathology)
  • Hepatic Artery (diagnostic imaging)
  • Hepatic Veins (diagnostic imaging)
  • Humans
  • Image Enhancement (methods)
  • Injections, Intravenous
  • Liver Neoplasms (blood supply, diagnostic imaging, physiopathology)
  • Male
  • Middle Aged
  • Retrospective Studies
  • Ultrasonography, Doppler, Color

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