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Abstract #2874

T2 mapping of lumbosacral nerves in patients suffering from unilateral radicular pain due to degenerative disc disease

Nico Sollmann1, Dominik Weidlich2, Barbara Cervantes2, Elisabeth Klupp2, Carl Ganter2, Hendrik Kooijman3, Claus Zimmer1, Ernst J. Rummeny2, Bernhard Meyer4, Thomas Baum1, Jan S. Kirschke1, and Dimitrios C. Karampinos2

1Department of Diagnostic and Interventional Neuroradiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany, 2Department of Diagnostic and Interventional Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany, 3Philips Healthcare, Hamburg, Germany, 4Department of Neurosurgery, Klinikum rechts der Isar, Technische Universität München, Munich, Germany

It is long known that findings in conventional anatomical imaging do not necessarily correlate with clinical symptoms in patients suffering from unilateral lumbosacral radicular syndrome (LRS), which regularly occurs in the context of disc herniation due to degeneration with unilateral nerve contact. The present study investigates the performance of quantitative imaging by using magnetic resonance neurography (MRN) using T2 mapping for LRS diagnostics at the lumbosacral plexus. As the main finding, it shows that nerves affected by degenerative disc herniation are characterized by elevated T2 values, in contrast to contralateral nerves or a non-affected control level.

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