MR Elastography is a new technique aimed at non-invasively measuring the stiffness of tissues. It has recently given interesting results in the assessment of liver fibrosis. The objectives of the current study are: 1. to develop an imaging protocol for MR Elastography of the kidneys; 2. To calculate the stiffness of normal kidneys; 3. To evaluate the variability of the measurements of kidney stiffness by repeating the procedure twice on the same volunteers.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
10
Ten healthy volunteers will undergo MR Elastography using a pneumatic driver connected to a commercially available speaker and the stiffness of the left kidney will be measured. The examination will be repeated on the same volunteers at least one month later and the same stiffness measurements will be performed.
Department of Urinary an Vascular Radiology, Hôpital E. Herriot
Lyon, France
Normal kidney stiffness (measured from MRE data)
Time frame: 2 months
Variability of stiffness measurement (on repeat examination)
Time frame: 2 months
Tolerance of the procedure
Time frame: 2 months
Percentage of partial and total technical failures
Time frame: 2 months
Quality criteria of stiffness measurements (area of the ROIs used for measurement, mean induced displacement measured in the ROIs)
Time frame: 2 months
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