Výsledky vyhledávání - "F. W. Wehrli"

Trabecular bone volume fraction mapping by low-resolution MRI

Autor: M A, Fernández-Seara, H K, Song, F W, Wehrli

Publikováno v: Magnetic resonance in medicine. 46(1)

Trabecular bone volume fraction (TBVF) is highly associated with the mechanical competence of trabecular bone. TBVF is ordinarily measured by histomorphometry from bone biopsies or, noninvasively, by means of high-resolution microcomputed tomography

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::c429f611a5e1b08d206519015f80b0a0
https://pubmed.ncbi.nlm.nih.gov/11443716

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In vivo MR micro imaging with conventional radiofrequency coils cooled to 77 degrees K

Autor: A C, Wright, H K, Song, F W, Wehrli

Publikováno v: Magnetic resonance in medicine. 43(2)

Cryogenically cooled conventional surface coils are shown to provide significant signal-to-noise ratio (SNR) gains for MR micro imaging of tissue structure in vivo. Measurements are described which employ a simple, all-polyvinyl chloride (PVC) vacuum

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::d895880bf7dc10a54ac4cfea39782015
https://pubmed.ncbi.nlm.nih.gov/10680678

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In vivo micro-imaging using alternating navigator echoes with applications to cancellous bone structural analysis

Autor: H K, Song, F W, Wehrli

Publikováno v: Magnetic resonance in medicine. 41(5)

In micro-magnetic resonance imaging of cancellous bone architecture, involuntary subject motion even on a sub-millimeter scale is detrimental and generally precludes accurate quantification of architectural parameters. In this work a navigator-assist

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::948e477c7813ea089fc1796090a33029
https://pubmed.ncbi.nlm.nih.gov/10332878

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New architectural parameters derived from micro-MRI for the prediction of trabecular bone strength

Autor: F W, Wehrli, S N, Hwang, H K, Song

Publikováno v: Technology and health care : official journal of the European Society for Engineering and Medicine. 6(5-6)

This article reviews recent progress in magnetic resonance microimaging of cancellous bone in vitro and in vivo from the perspective of the authors' laboratory. It is shown that in particular in vivo the key technical prerequisites to satisfy are: (i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::c443d47edf8ea962aefaf1b2944ebf4a
https://pubmed.ncbi.nlm.nih.gov/10100934

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