Hybrid subtraction for improved arteriography

Research output: Contribution to journalArticlepeer-review


A hybrid subtraction method to reduce the motion sensitivity of temporal subtraction for intravenous arteriography is described. Hybrid subtraction uses dual-energy scanned projection radiography to provide pre- and post-contrast images with the soft tissues subtracted. These pre- and post-contrast soft-tissue-cancelled images are then subtracted. Because involuntary motion (such as swallowing or bowel peristalsis) often affects soft tissues primarily, this hybrid technique provides better visualization of carotid and abdominal arteries than temporal or dual-energy subtraction alone.

Original languageEnglish (US)
Pages (from-to)828-831
Number of pages4
Issue number3
StatePublished - 1981
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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