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Dynamic Time-Resolved Contrast-Enhanced Two-Dimensional MR Projection Angiography of the Pulmonary Circulation: Standard Technique and Clinical Applications

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84187

Buitrago-Téllez CH, Scheffler,  K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Zitation

Sonnet, S., Buitrago-Téllez CH, Scheffler, K., Strecker R, Bongartz, G., & Bremerich, J. (2002). Dynamic Time-Resolved Contrast-Enhanced Two-Dimensional MR Projection Angiography of the Pulmonary Circulation: Standard Technique and Clinical Applications. American Journal of Roentgenology, 179(1), 159-165. Retrieved from http://www.ajronline.org/content/179/1/159.abstract.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-DF80-0
Zusammenfassung
OBJECTIVE. Time-resolved pulmonary two-dimensional MR projection angiography is a fast acquisition technique that allows the generation of dynamic projection angiograms by a method similar to that used to generate digital subtraction angiograms. MR images are obtained after subtracting the mask defined at the beginning of the sequence from later images, thus generating time-resolved continuous projection angiograms that depict the passage of a bolus through the pulmonary circulation. This article describes the application of this novel technique in three patients with pathologic conditions not previously described with this modality and two control subjects. CONCLUSION. The analysis of the findings on dynamic time-resolved contrast-enhanced two-dimensional MR projection angiography shows that this technique is useful not only in revealing morphologic changes associated with pulmonary disorders but also in following the passage of the bolus through the cardiopulmonary circulation. The latter capability allows qualitative detection of normal or abnormal pathways and thus is potentially of value in the assessment of several pulmonary disorders.