American Journal of Roentgenology, Vol 166, 1079-1084, Copyright © 1996 by American Roentgen Ray Society
MR imaging of the foot: utility of complex oblique imaging planes
DA Rubin, JD Towers and CA Britton
Department of Radiology, University of Pittsburgh Medical Center, PA 15213, USA.
Successful MR imaging of the foot presents special challenges to the
radiologist. Accurate and confident diagnosis presupposes the ability to
produce high-resolution images of obliquely oriented, relatively small
structures. Orienting the foot within an appropriate local coil to bring
such structures into an orthogonal imaging plane, or even into a
conventional oblique plane, may be impossible or intolerably uncomfortable
for the patient. The frequent result is motion artifacts, which are
accentuated when using a small field of view. However, when patients are
comfortably positioned, the anatomy of interest often lies in a plane that
is not orthogonal to any of the conventional imaging planes. Fortunately,
commercially available MR imaging equipment can produce images in complex
oblique planes with relative ease. In this pictorial essay, we discuss the
technical considerations for expedient diagnostic MR imaging of the complex
anatomy of the foot and illustrate our experiences with this technique.
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