Spatial and temporal pattern of sporadic signal voids in incoherent motion sensitive examinations of musculature in the lower leg
Guenter Steidle 1 and Fritz Schick 1
University Department of Radiology, Section
on Experimental Radiology, Tuebingen, Germany
IVIM sensitive MR images from single acquisitions
recorded in resting calf musculature often display
irregularly shaped areas with clear signal voids caused
by unconscious focal mechanical contraction at rest.
This work reports on systematic MR studies on the
spatial and temporal pattern of such signal voids in
calf musculature of 10 healthy. DWI or DTI measurements
in the skeletal musculature of the lower leg are
hampered by those sporadic activity-related signal
voids, when mean signals of series of measurements are
used for the calculations, and have to be considered for
quantitative DWI or DTI of skeletal musculature.
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