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Review
. 2016 Nov-Dec;40(6):1118-1130.
doi: 10.1016/j.clinimag.2016.07.003. Epub 2016 Jul 11.

Magnetic resonance neurography in the diagnosis of neuropathies of the lumbosacral plexus: a pictorial review

Nathaniel M Robbins  1 , Vinil Shah  2 , Nancy Benedetti  2 , Jason F Talbott  2 , Cynthia T Chin  2 , Vanja C Douglas  3
Affiliations
Review

Magnetic resonance neurography in the diagnosis of neuropathies of the lumbosacral plexus: a pictorial review

Nathaniel M Robbins et al. Clin Imaging. 2016 Nov-Dec.

Abstract

Magnetic resonance neurography (MRN) is an important tool to detect abnormalities of peripheral nerves. This pictorial review demonstrates the MRN features of a variety of neuropathies affecting the lumbosacral plexus (LSP) and lower extremity nerves, drawn from over 1200 MRNs from our institution and supplemented by the literature. Abnormalities can be due to spinal compression, extraspinal compression, malignancy, musculoskeletal disease, iatrogenesis, inflammation, infection, and idiopathic disorders. We discuss indications and limitations of MRN in diagnosing LSP neuropathies. As MRN becomes more widely used, physicians must become familiar with the differential diagnosis of abnormalities detectable with MRN of the LSP.

Keywords: Lumbosacral; Magnetic resonance imaging; Peripheral neuropathy; Plexitis; Plexopathy.

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