| Diffusion magnetic resonance imaging with gadofosveset trisodium as a negative contrast agent for lymph node metastases assessment. | |
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MedLine Citation:
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PMID: 21264658 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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PURPOSE: The aim of this study was to assess the feasibility of using intravenously administered gadofosveset trisodium as a negative contrast agent for lymph node (LN) assessment with diffusion-weighted imaging (DWI) using a VX2 tumor model in rabbits. MATERIALS AND METHODS: VX2 cells were injected in the right hind limb of five Japanese white rabbits to induce ipsilateral popliteal LN metastasis. DWI was performed before and every 7.5 min (until 1 h) after intravenous gadofosveset trisodium administration, at 1.5 T. Signal intensities (SIs) of right (metastatic) and left (nonmetastatic) popliteal LNs at each time point were measured and compared to each other using two-sided unpaired t-tests. RESULTS: The SIs of metastatic lymph nodes were significantly higher (P < 0.05) than those of nonmetastatic LNs at each time point after intravenous gadofosveset trisodium administration. Although the SI of metastatic LNs was significantly higher (P = 0.0237) than that of nonmetastatic LNs before contrast injection, this difference became even more significant (P ≤ 0.0105) after gadofosveset trisodium administration. CONCLUSION: The SI of metastatic LNs at DWI is less suppressed than that of nonmetastatic LNs after the intravenous administration of gadofosveset trisodium. Therefore, intravenously administered gadofosveset trisodium shows promise for use as a negative contrast agent for discriminating metastatic from nonmetastatic LNs at DWI. |
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Authors:
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Tomohiro Yamashita; Taro Takahara; Thomas C Kwee; Shuichi Kawada; Tomohiko Horie; Chie Inomoto; Kazunobu Hashida; Hiroshi Yamamuro; Kazunori Myojin; Peter R Luijten; Yutaka Imai |
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Publication Detail:
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Type: Journal Article Date: 2011-01-26 |
Journal Detail:
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Title: Japanese journal of radiology Volume: 29 ISSN: 1867-108X ISO Abbreviation: Jpn J Radiol Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101490689 Medline TA: Jpn J Radiol Country: Japan |
Other Details:
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Languages: eng Pagination: 25-32 Citation Subset: IM |
Affiliation:
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Department of Diagnostic Radiology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Japan, tomyam999@gmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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