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Abstract #4462

Diffusion Tensor Imaging of the brachial plexus as an aid to the diagnosis of inflammatory neuropathies: preliminary results.

Jos Oudeman1, Filip Eftimov2, Gustav J Strijkers3, Martijn Froeling4, Matthan W. A. Caan1, Ivo N. van Schaik2, Mario Maas1, Aart J Nederveen1, Marianne de Visser2, and Camiel Verhamme2

1Radiology, Academic Medical Center, Amsterdam, Netherlands, 2Neurology, Academic Medical Center, Amsterdam, Netherlands, 3Biomedical Engineering and Physics, Academic Medical Center, Amsterdam, Netherlands, 4Radiology, University Medical Center, Utrecht, Utrecht, Netherlands

Diagnosing -treatable- inflammatory neuropathies such as chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and multifocal motor neuropathy (MMN) can be challenging, especially differentiating MMN from -untreatable- focal spinal muscular atrophy (fSMA). One of the reasons is that conduction studies cannot evaluate reliably the proximal part of the brachial plexus. Therefore we investigated DTI of the brachial plexus in patients with CIDP, MMN, fSMA and healthy controls and found significant differences, indicating DTI might be a valuable diagnostic tool in the clinic.

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