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Switchable Multicoil Array for MR Micro-Imaging of Breast Lesions

Summary: Switchable Multicoil Array for MR Micro-Imaging
of Breast Lesions
Dmitri Artemov,* Geraldine Revelon, Ergin Atalar, David A. Bluemke,
Zaver M. Bhujwalla, and Elias A. Zerhouni
High-resolution breast imaging may improve differentiation
between benign and malignant lesions and may be important for
refining treatment strategy. This article presents a new, flexible
design of a breast-imaging coil capable of providing breast
images of a high level of spatial resolution. Referred to as a
switchable coil array, the design uses small-diameter surface
coils that provide high sensitivity of detection, which, combined
with a relatively small field of view, affords a high degree of
spatial resolution (up to 200 m). Remote selection of the coil
pair closest to the position of the lesion in the breast permits
coverage of the whole breast without changing the position of
the coils or the patient. High-resolution MR images of phantom
and volunteer patients with benign and malignant breast lesions
are presented. Magn Reson Med 41:569574, 1999. 1999
Wiley-Liss, Inc.
Key words: breast imaging; RF coils; high resolution; coil array


Source: Atalar, Ergin - Department of Electrical and Electronics Engineering, Bilkent University


Collections: Engineering; Biology and Medicine