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Vol. 57. Issue 1.
Pages 22-34 (January - February 2015)
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Vol. 57. Issue 1.
Pages 22-34 (January - February 2015)
Update in Radiology
DOI: 10.1016/j.rxeng.2014.07.001
High resolution neurography of the lumbosacral plexus on 3T magnetic resonance imaging
Neurograf??a de alta resoluci??n del plexo lumbosacro en resonancia magn??tica 3T
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C. Cejasa,
Corresponding author
ccejas@fleni.org.ar

Corresponding author.
, I. Escobara, M. Serraa, F. Barrosob
a Departamento de Im??genes, Fundaci??n para la lucha de las enfermedades neurol??gicas de la infancia Dr. Ra??l Carrea (FLENI), Buenos Aires, Argentina
b Departamento de Neurolog??a, Fundaci??n para la lucha de las enfermedades neurol??gicas de la infancia Dr. Ra??l Carrea (FLENI), Buenos Aires, Argentina
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Table 1. Motor and sensitive innervation of lumbosacral plexus.
Table 2. Study protocol of lumbosacral plexus.
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Abstract

Magnetic resonance neurography is a technique that complements clinical and electrophysiological study of the peripheral nerves and brachial and lumbosacral plexuses. Numerous focal processes (inflammatory, traumatic, primary tumors, secondary tumors) and diffuse processes (diabetic polyneuropathy, chronic idiopathic demyelinating polyneuropathy due to amyloidosis or Charcot–Marie–Tooth disease) can involve the lumbosacral plexus. This article reviews the anatomy of the lumbosacral plexus, describes the technique for neurography of the plexus at our institution, and shows the diverse diseases that affect it.

Keywords:
Lumbosacral plexus
Neuropathies
Magnetic resonance neurography
Resumen

La neurografía por resonancia magnética se ha convertido en una técnica de imagen complementaria al estudio clínico y electrofisiológico para explorar los nervios periféricos y los plexos braquial y lumbosacro. Este último es asiento de numerosos procesos focales (inflamatorios, traumáticos, tumorales primarios o secundarios) y difusos (polineuropatía diabética, la desmielinizante crónica idiopática, por amiloidosis o la enfermedad de Charcot-Marie-Tooth). El objetivo de este artículo es revisar la anatomía del plexo lumbosacro, describir la técnica de la neurografía del plexo en nuestra institución y mostrar las diversas enfermedades que lo afectan.

Palabras clave:
Plexo lumbosacro
Neuropat??as
Neurograf??a por resonancia magn??tica

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