MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis.

MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis. Research Abstract Details 

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MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis. Abstract Text:

G Sze,S Soletsky,R Bronen,G Krol,

MR imaging was used to investigate normal and abnormal meningeal enhancement, with an emphasis on meningeal carcinomatosis. Three groups of patients were studied on a 1.5-T system. In group 1, the normal meninges were examined in 20 patients and were found to show fine linear enhancement in short segments, especially in a parasagittal distribution. In group 2, all gadolinium-enhanced head scans were reviewed retrospectively. Abnormal meningeal enhancement was detected in 52 patients. In some of these, the enhancement was associated with pathologic conditions of the meninges, including leptomeningeal tumor and meningeal infections and other inflammatory conditions; in others the enhancement was adjacent to subdural hematomas, subacute infarcts, and skull lesions, such as metastases or postoperative defects. In group 3, 30 cases of meningeal carcinomatosis were studied prospectively. Enhancement was seen in approximately two-thirds of cases and usually was quite diffuse and applied to the inner table of the skull. Frank nodules were seen less often. Contrast-enhanced CT was equal to MR in the detection of nodules but was nearly always unable to show diffuse meningeal enhancement against the inner table of the skull. Contrast-enhanced MR was more sensitive than contrast-enhanced CT in the examination of normal and abnormal meninges. Abnormal findings, such as meningeal carcinomatosis, were demonstrated more often by MR than by CT.

MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis. Publishing Authors By Initials

G Sze,S Soletsky,R Bronen,G Krol,

For similar investigative techniques: epidemiologic methods: epidemiologic study characteristics as topic: epidemiologic studies: case-control studies: retrospective studies research abstracts see: investigative techniques: epidemiologic methods: epidemiologic study characteristics as topic: epidemiologic studies: case-control studies: retrospective studies research

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MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJNR. American journal of neuroradiology

VOLUME: 10

Page Numbers: 965-75

Journal Abbreviation:

ISSN: 0195-6108

DAY: 14

MONTH: 02

YEAR: 2008

MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis. Information

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LANGUAGE: eng

NlmUniqueID: 8003708

MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis. Keywords Mesh Terms:

KEYWORDS: Retrospective Studies

MESH TERMS: diagnostic use

Chemical & Substance for Abstract: MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis. Information

Substance Name: Gadolinium DTPA

Registry Number: 80529-93-7

Grant and Affiliation Information for MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis.

AFFILIATION: Department of Radiology, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.

Country: UNITED STATES

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MEDLINETA: AJNR Am J Neuroradiol

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