Conjoined lumbosacral nerve roots: observations on three cases and review of the literature
Raices lumbares conjuntas: a proposito de tres casos y revision de la literatura
M. Artico
, S. Franchitto
Department of Human Physiology and Pharmacology V. Erspamer. University La Sapienza
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"apellidos" => "Bronzetti" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">***</span>" "identificador" => "aff0020" ] ] ] ] "afiliaciones" => array:3 [ 0 => array:3 [ "entidad" => "Addolorata Hospital Division of Radiology. University La Sapienza. Rome. Italy" "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "aff0010" ] 1 => array:3 [ "entidad" => "Service of Neuroradiology. University La Sapienza. Rome. Italy" "etiqueta" => "<span class="elsevierStyleSup">**</span>" "identificador" => "aff0015" ] 2 => array:3 [ "entidad" => "Department of Cardiovascular, Respiratory and Morphological Sciences. University La Sapienza. Rome. Italy" "etiqueta" => "<span class="elsevierStyleSup">***</span>" "identificador" => "aff0020" ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Raices lumbares conjuntas: a proposito de tres casos y revision de la literatura" ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2005-01-31" "fechaAceptado" => "2005-08-20" "PalabrasClave" => array:2 [ "en" => array:2 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Key words" "identificador" => "xpalclavsec159160" "palabras" => array:5 [ 0 => "Lumbosacral nerve root anomalies" 1 => "Conjoined nerve roots (CNR)" 2 => "Spine" 3 => "CT" 4 => "MRI" ] ] 1 => array:4 [ "clase" => "abr" "titulo" => "Abreviaturas" "identificador" => "xpalclavsec159159" "palabras" => array:4 [ 0 => "CT" 1 => "MRI" 2 => "RM" 3 => "TAC" ] ] ] "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec159161" "palabras" => array:5 [ 0 => "Anomalías de los nervios raquídeos lumbares" 1 => "Raíces lumbares conjuntas (RLC)" 2 => "Columna vertebral" 3 => "Tomografía Computarizada" 4 => "Resonancia magnética" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:2 [ "titulo" => "Summary" "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Lumbosacral nerve root anomalies are a rare group of congenital anatomical anomalies. Various types of anomalies of the lumbosacral nerve roots have been documented in the available international literature. Generally speaking, these anomalies may consist of a bifid, conjoined structure, of a transverse course or of a characteristic anastomized appearance. Firstly described as an incidental finding during autopsies or surgical procedures performed for lumbar disk herniations and often asymptomatic, lumbosacral nerve root anomalies have been more frequently described in the last years due to the advances made in radiological diagnosis (metrizamide myelography and CT, MRI).</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Our study comprised three patients with conjoined lumbosacral nerve roots, representing 0.25% of a total of 1200 patients who underwent lumbosacral CT/MRI procedures in the Addolorata Hospital and in the Service of Neuroradiology of the University of Rome “La Sapienza” during the last three years (March 2001-March 2004). We report our experience with three cases of conjoined lumbosacral nerve roots and analyze the most important literature on this topic.</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">MR imaging is a better diagnostic procedure (in comparison to CT) for the differentiation of nerve root anomalies and, in particular, coronal sections furnish a precise definition of the profile of the conjoined/enlarged rootlets. In fact, the accurate information derived from MRI of multiple planes may be priceless for the preoperative and diagnostic evaluation of lumbosacral nerve root anomalies.</p>" ] "es" => array:2 [ "titulo" => "Resumen" "resumen" => "<p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Las anomalías congénitas de los nervios raquídeos lumbares no son muy frecuentes y suelen ser difíciles de detectar en TAC sin contraste. La raíces lumbares pueden ser conjuntas o bífidas y frecuentemente son descubiertas en las autopsias clínicas. Cursan habitualmente con dolor (episodios de lumbalgia y lumbociatalgia) y sin déficit motor ni sensitivo. Las raíces conjuntas frecuentemente se aprecian en la RM.</p><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Presentamos tres casos de raíces lumbares conjuntas intervenidos en el Servicio de Radiología del Hospital Addolorata de Roma y en el Servicio de Neurorradiología del Hospital Universitario de Roma “La Sapienza” entre 2001 y 2004, representando 0.25% de todos los 1200 pacientes evaluados mediante TAC y RM, y revisamos los aspectos diagnósticos presentados en la literatura mundial.</p><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">La RM es, en muchas ocasiones, superior a la TAC simple en el diagnóstico de las anomalías de las raíces nerviosas; además la RM tiene la ventaja de los planos sagitales y coronales.</p><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">La visualización de la médula y la cola de caballo, sin necesidad de contraste intratecal, hace que la RM sea el examen ideal para identificar las raíces nerviosas conjuntas, ofreciendo una ventaja clara sobre la TAC.</p>" ] ] "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara">Artico, M.; Carloia, S.; Piacentini, M.; Ferretti, G.; Dazzi, M.; Franchitto, S.; Bronzetti, E.: Conjoined lumbosacral nerve roots: observations on three cases and review of the literature. 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| año/Mes | Html | Total | |
|---|---|---|---|
| 2023 Marzo | 1 | 1 | 2 |
| 2018 Febrero | 12 | 10 | 22 |
| 2018 Enero | 17 | 8 | 25 |
| 2017 Diciembre | 17 | 9 | 26 |
| 2017 Noviembre | 46 | 7 | 53 |
| 2017 Octubre | 11 | 9 | 20 |
| 2017 Septiembre | 6 | 7 | 13 |
| 2017 Agosto | 14 | 6 | 20 |
| 2017 Julio | 10 | 6 | 16 |
| 2017 Junio | 21 | 7 | 28 |
| 2017 Mayo | 15 | 8 | 23 |
| 2017 Abril | 21 | 9 | 30 |
| 2017 Marzo | 29 | 14 | 43 |
| 2017 Febrero | 6 | 9 | 15 |
| 2017 Enero | 9 | 12 | 21 |
| 2016 Diciembre | 33 | 17 | 50 |
| 2016 Noviembre | 25 | 21 | 46 |
| 2016 Octubre | 33 | 19 | 52 |
| 2016 Septiembre | 35 | 22 | 57 |
| 2016 Agosto | 0 | 22 | 22 |
| 2016 Julio | 0 | 15 | 15 |
| 2015 Diciembre | 2 | 0 | 2 |
| 2015 Julio | 3 | 0 | 3 |
| 2015 Junio | 21 | 17 | 38 |
| 2015 Mayo | 33 | 12 | 45 |
| 2015 Abril | 22 | 16 | 38 |
| 2015 Marzo | 26 | 11 | 37 |
| 2015 Febrero | 20 | 19 | 39 |
| 2015 Enero | 30 | 15 | 45 |
| 2014 Diciembre | 12 | 14 | 26 |
| 2014 Noviembre | 9 | 17 | 26 |
| 2014 Octubre | 17 | 12 | 29 |
| 2014 Septiembre | 19 | 20 | 39 |
| 2014 Agosto | 12 | 12 | 24 |
| 2014 Julio | 15 | 21 | 36 |
| 2014 Junio | 28 | 22 | 50 |
| 2014 Mayo | 22 | 18 | 40 |
| 2014 Abril | 23 | 8 | 31 |
| 2014 Marzo | 21 | 19 | 40 |
| 2014 Febrero | 21 | 16 | 37 |
| 2014 Enero | 18 | 26 | 44 |
| 2013 Diciembre | 22 | 14 | 36 |
| 2013 Noviembre | 27 | 15 | 42 |
| 2013 Octubre | 26 | 13 | 39 |
| 2013 Septiembre | 33 | 15 | 48 |
| 2013 Agosto | 34 | 23 | 57 |
| 2013 Julio | 38 | 24 | 62 |
| 2013 Junio | 37 | 18 | 55 |
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| 2013 Abril | 30 | 25 | 55 |
| 2013 Marzo | 30 | 13 | 43 |
| 2013 Febrero | 17 | 7 | 24 |
| 2013 Enero | 27 | 16 | 43 |
| 2012 Diciembre | 19 | 14 | 33 |
| 2012 Noviembre | 2 | 1 | 3 |
| 2012 Octubre | 0 | 2 | 2 |
| 2012 Septiembre | 0 | 2 | 2 |
| 2012 Enero | 6 | 0 | 6 |
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