David Stelzeneder1, Sabine Goed1,
Gtz Hannes Welsch1,2, Clemens Hirschfeld1, Tatjana
Paternostro-Sluga3, Karin Pieber3, Klaus Friedrich1,
Michael Reisegger1, Tallal Charles Mamisch4, Siegfried
Trattnig1
1Department of Radiology, MR Centre,
Medical University of Vienna, Vienna, Austria; 2Department of
Trauma Surgery, University of Erlangen, Erlangen, Germany; 3Department
of Physical Medicine and Rehabilitation, Medical University of Vienna,
Vienna, Austria; 4Department of Orthopedic Surgery, University of
Bern, Inselspital, Bern, Switzerland
The
purpose of our study was to evaluate the short-time variability of T2
relaxation time values in the supine position in different compartments of
the lumbar intervertebral disc. We performed a segmental analysis of two
serial T2 mapping sequences obtained with a delay of 40 minutes. There was a
significant T2 decrease in the anterior nucleus and an increase in the
posterior annulus region. The data can be interpreted as a water shift from
the anterior to the posterior compartments of the intervertebral disc, what
can be a result of supine position with slight hip flexion.
Keywords