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Titolo:
PITFALLS OF COLOR-CODED DUPLEX-SONOGRAPHY CAUSED BY COLOR DOPPLER ARTIFACTS
Autore:
ARNING C;
Indirizzi:
ALLGEMEINES KRANKENHAUS BARMBEK,NEUROL ABT,RUBENKAMP 148 D-22291 HAMBURG GERMANY
Titolo Testata:
Ultraschall in der Medizin
fascicolo: 3, volume: 18, anno: 1997,
pagine: 105 - 109
SICI:
0172-4614(1997)18:3<105:POCDCB>2.0.ZU;2-C
Fonte:
ISI
Lingua:
GER
Soggetto:
ULTRASOUND;
Keywords:
ARTIFACT; COLOR CODED DOPPLER; SONOGRAPHY; SPATIAL RESOLUTION; MISINTERPRETATION;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
C. Arning, "PITFALLS OF COLOR-CODED DUPLEX-SONOGRAPHY CAUSED BY COLOR DOPPLER ARTIFACTS", Ultraschall in der Medizin, 18(3), 1997, pp. 105-109

Abstract

The practical application of colour-coded duplex sonography shows that physico-technical artifacts of colour Doppler imaging may not be obvious in all cases and can lead to misinterpretation. Slice-thickness artifacts are due to restricted transversal resolution, as in the B-mode, and may cause false negative results in vascular occlusions. Specific problems in creating and processing the colour flow image interferewith lateral resolution and lead to errors in the quantification of stenoses from the colour Doppler image. Mirror image artifacts produce phantom pictures that can be easily identified as such in some cases, but may resemble recesses in the arterial wall in other cases. Phenomena of sound shadowing resulting from the same reasons as in B-mode maylead to assume vascular occlusions in cases of long-range stenoses. Artifacts of the sonication angle in case of blood vessel tortuosity may lead to misdiagnosis of a non-existent retrograde flow. The artifacts mentioned do restrict the capacity of colour coded duplex sonographyfor localising flow in the ultrasound image. Users of the method should therefore be familiar with these artifacts.

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Documento generato il 20/09/20 alle ore 07:11:22