| MR of vascular encasement in parasellar masses: comparison with angiography and CT. | |
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MedLine Citation:
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PMID: 3124585 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The relationship between tumor mass and vascular involvement as seen on MR imaging was examined in 11 patients with masses in the parasellar region, and the findings were correlated with CT and angiography. In six cases, MR was superior to CT and angiography in depicting the relationship of the tumor to adjacent blood vessels. In these cases, MR demonstrated tumor surrounding the blood vessel without changing the diameter of its lumen. Angiography did not reveal encasement in these cases. In four cases, both MR and angiography showed signs of vascular encasement with narrowing of the vessel's lumen. In two cases, MR was equivocal while angiography revealed vascular encasement in one case and was negative for encasement in the other. CT was less sensitive than MR in defining vascular encasement since there is usually little contrast between an enhancing tumor and the major blood vessels. Coronal scanning appeared to be the best plane of imaging and correlated well with the anteroposterior angiogram. We propose that MR is the method of choice for evaluating arterial encasement by tumors and may obviate the need for angiography in those cases in which MR is positive for a basal lesion. |
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Authors:
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S C Young; R I Grossman; H I Goldberg; M V Spagnoli; D B Hackney; R A Zimmerman; L T Bilaniuk |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: AJNR. American journal of neuroradiology Volume: 9 ISSN: 0195-6108 ISO Abbreviation: AJNR Am J Neuroradiol Publication Date: 1988 Jan-Feb |
Date Detail:
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Created Date: 1988-02-26 Completed Date: 1988-02-26 Revised Date: 2008-02-14 |
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: 35-8 Citation Subset: IM |
Affiliation:
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Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia 19104. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Cerebral Angiography* Chordoma / blood supply*, pathology, radiography Female Humans Magnetic Resonance Imaging* Male Meningioma / blood supply*, pathology, radiography Middle Aged Pituitary Neoplasms / blood supply*, pathology, radiography Tomography, X-Ray Computed* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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