Spectral CT of the abdomen: Where are we now?

Sharon Z. Adam*, Aviad Rabinowich, Rivka Kessner, Arye Blachar

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review


Spectral CT adds a new dimension to radiological evaluation, beyond assessment of anatomical abnormalities. Spectral data allows for detection of specific materials, improves image quality while at the same time reducing radiation doses and contrast media doses, and decreases the need for follow up evaluation of indeterminate lesions. We review the different acquisition techniques of spectral images, mainly dual-source, rapid kV switching and dual-layer detector, and discuss the main spectral results available. We also discuss the use of spectral imaging in abdominal pathologies, emphasizing the strengths and pitfalls of the technique and its main applications in general and in specific organs.

Original languageEnglish
Article number138
JournalInsights into Imaging
Issue number1
StatePublished - Dec 2021


  • Abdominal Imaging
  • Dual energy CT
  • Iodine maps
  • Mono-energetic images
  • Spectral CT


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