Material differentiation by dual energy CT: initial experience View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2007-06

AUTHORS

Thorsten R. C. Johnson, Bernhard Krauß, Martin Sedlmair, Michael Grasruck, Herbert Bruder, Dominik Morhard, Christian Fink, Sabine Weckbach, Miriam Lenhard, Bernhard Schmidt, Thomas Flohr, Maximilian F. Reiser, Christoph R. Becker

ABSTRACT

The aim of this study was to assess the feasibility of a differentiation of iodine from other materials and of different body tissues using dual energy CT. Ten patients were scanned on a SOMATOM Definition Dual Source CT (DSCT; Siemens, Forchheim, Germany) system in dual energy mode at tube voltages of 140 and 80 kVp and a ratio of 1:3 between tube currents. Weighted CT Dose Index ranged between 7 and 8 mGy, remaining markedly below reference dose values for the respective body regions. Image post-processing with three-material decomposition was applied to differentiate iodine or collagen from other tissue. The results showed that a differentiation and depiction of contrast material distribution is possible in the brain, the lung, the liver and the kidneys with or without the underlying tissue of the organ. In angiographies, bone structures can be removed from the dataset to ease the evaluation of the vessels. The differentiation of collagen makes it possible to depict tendons and ligaments. Dual energy CT offers a more specific tissue characterization in CT and can improve the assessment of vascular disease. Further studies are required to draw conclusions on the diagnostic value of the individual applications. More... »

PAGES

1510-1517

References to SciGraph publications

Journal

TITLE

European Radiology

ISSUE

6

VOLUME

17

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00330-006-0517-6

DOI

http://dx.doi.org/10.1007/s00330-006-0517-6

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1018874898

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/17151859


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Download the RDF metadata as:  json-ld nt turtle xml License info

HOW TO GET THIS DATA PROGRAMMATICALLY:

JSON-LD is a popular format for linked data which is fully compatible with JSON.

curl -H 'Accept: application/ld+json' 'https://scigraph.springernature.com/pub.10.1007/s00330-006-0517-6'

N-Triples is a line-based linked data format ideal for batch operations.

curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1007/s00330-006-0517-6'

Turtle is a human-readable linked data format.

curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/pub.10.1007/s00330-006-0517-6'

RDF/XML is a standard XML format for linked data.

curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1007/s00330-006-0517-6'


 

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