| Detection and Classification of Cranial Dural Arteriovenous Fistulas Using 4D-CT Angiography: Initial Experience. | |
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MedLine Citation:
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PMID: 20966056 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND AND PURPOSE: The criterion standard to diagnose and classify cranial DAVFs is DSA. Since this is invasive, relatively expensive and time-consuming, a noninvasive alternative is of interest. We aimed to evaluate the capabilities and pitfalls of 4D-CTA in a consecutive series of patients who presented with a newly diagnosed cranial DAVF, as demonstrated by conventional DSA. MATERIALS AND METHODS: Eleven patients were included in this study after biplane DSA demonstrated a cranial DAVF. They subsequently underwent 4D-CTA imaging by using a 320-detector CT scanner. DSA and 4D-CTA studies were independently read by 2 blinded observers, by using a standardized scoring sheet. 4D-CTA results were analyzed with DSA as the criterion standard. RESULTS: In 10 cases, there was full agreement between DSA and 4D-CTA regarding the Borden classification. However, in the remaining patient, a slow-filling DAVF with a low shunt volume was missed by both readers on 4D-CTA. In all 10 detected cases, ≥1 of the major contributing arteries could be identified with 4D-CTA. Although, by using DSA, the 2 observers identified additional arterial feeders in 7 and 8 cases, respectively, these discrepancies did not influence clinical decision making. CONCLUSIONS: Although novel 4D-CTA imaging may not rule out a small slow-flow DAVF, it appears to be a valuable new adjunct in the noninvasive diagnostic work-up, treatment planning, and follow-up of patients with cranial DAVFs. |
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Authors:
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P W A Willems; P A Brouwer; J J Barfett; K G Terbrugge; T Krings |
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Publication Detail:
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Type: Journal Article Date: 2010-10-21 |
Journal Detail:
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Title: AJNR. American journal of neuroradiology Volume: 32 ISSN: 1936-959X ISO Abbreviation: AJNR Am J Neuroradiol Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8003708 Medline TA: AJNR Am J Neuroradiol Country: United States |
Other Details:
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Languages: eng Pagination: 49-53 Citation Subset: IM |
Affiliation:
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Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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