Malformaciones vasculares cerebrales angiograficamente ocultas. Informe sobre cinco casos
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"apellidos" => "Ortega" ] ] ] ] ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1130147390709335?idApp=UINPBA00004B" "url" => "/11301473/0000000100000006/v1_201305151002/S1130147390709335/v1_201305151002/es/main.assets" ] "es" => array:12 [ "idiomaDefecto" => true "titulo" => "Malformaciones vasculares cerebrales angiograficamente ocultas. Informe sobre cinco casos" "tieneTextoCompleto" => 0 "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "367" "paginaFinal" => "374" ] ] "autores" => array:2 [ 0 => array:3 [ "autoresLista" => "A. Bárcena Orbe, C. Mestre Moreiro, J.M. Cañizal García, J. Rodríguez Hernández" "autores" => array:4 [ 0 => array:2 [ "nombre" => "A." "apellidos" => "Bárcena Orbe" ] 1 => array:2 [ "nombre" => "C." "apellidos" => "Mestre Moreiro" ] 2 => array:2 [ "nombre" => "J.M." "apellidos" => "Cañizal García" ] 3 => array:2 [ "nombre" => "J." "apellidos" => "Rodríguez Hernández" ] ] "afiliaciones" => array:1 [ 0 => array:1 [ "entidad" => "Servicio de Neurocirugía. Hospital del Aire. Madrid" ] ] ] 1 => array:3 [ "autoresLista" => "F. Esteban Alonso" "autores" => array:1 [ 0 => array:3 [ "nombre" => "F." "apellidos" => "Esteban Alonso" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "aff0010" ] ] ] ] "afiliaciones" => array:1 [ 0 => array:3 [ "entidad" => "Sección de Neurorradiología. Hospital del Aire. Madrid" "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "aff0010" ] ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "PalabrasClave" => array:2 [ "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec156575" "palabras" => array:5 [ 0 => "Malformación cerebrovascular oculta" 1 => "angioma" 2 => "resonancia magnética nuclear" 3 => "hematoma" 4 => "epilepsia" ] ] ] "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Key words" "identificador" => "xpalclavsec156574" "palabras" => array:5 [ 0 => "Occult cerebral vascular malformation" 1 => "angioma" 2 => "magnetic resonance images" 3 => "hematoma" 4 => "epilepsy" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "es" => array:2 [ "titulo" => "Resumen" "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Las malformaciones vasculares cerebrales ocultas o crípticas, (MVC), constituyen una entidad patológica, cuya certeza diagnóstica mejora progresivamente gracias al uso combinado de la Tomografía Axial Computada, (TAC), y la Resonancia Magnética Nuclear, (RMN), de alto campo magnético.</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">La apariencia de ciertas áreas lesionales con encendido postcontraste, que pasan desapercibidas con frecuencia en la TAC simple, asociadas a imágenes de RMN, sugerentes de hemorragias de diferente edad, rodeadas de halos hipointensos, sobre todo en secuencias T2, en relación a su vez con depósitos de hemosiderina, constituyen las características de estas lesiones. Sin embargo las imágenes otenidas son tan sólo fenómenos indirectos de la presencia de las MVC; por lo que es posible encontrar hallazgos TAC que dan lugar a falsos negativos, sobre todo en la fase de reabsorción del hematoma. De igual modo, en los exámenes RMN pueden aparecer diagnósticos falsamente positivos, (tumor hemorrágico, granuloma, etc…).</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Se describen en este trabajo cinco casos de MVC. Tres de ellas intervenidas quirúrgicamente, con la correspondiente corroboración histológica. Otra fue tratada mediante la unidad gamma, y finalmente es descrito el seguimiento del último paciente, no tratado, durante tres años de evolución.</p><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Discutimos los cambios sufridos por la hemoglobina extravasada, tras los tratamientos aplicados, así como su evolución espontánea en el caso no sometido a terapia, en relación a los hallazgos obtenidos por las imágenes RMN de control.</p><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Finalmente se cuestiona el valor de la RMN, como procedimiento diagnóstico de seguimiento y de valor pronóstico, tras la aplicación del tratamiento quirúrgico o radioterápico.</p>" ] "en" => array:2 [ "titulo" => "Summary" "resumen" => "<p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Occult cerebral vascular malformation, (OCVM) is a condition in which the diagnostic specifity day to day improves by using both the Computed Tomography, (CT), and High-Field Magnetic Resonance, (MR), images in combination. The appearance of CT enhanced postcontrast areas, perhaps irrelevant on plain CT films, associated to multiple hemorrhages of varying ages sourrounded by a hypointense zone, most prominent on T2 weighted MR sequences and representing hemosiderin deposits, are characteristic but indirect findings of OCVM. However, CT Scans show false-negative suspicious images in the solving hematoma phase, while MR procedures are capable of false positive diagnosis (bleeding tumor, granuloma, etc…).</p><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Five cases of OCVMs are described here, three of them were operated upon and histological assesment being obtained; another one was managed with highenergy stereotactic radiotherapy; and a 3-years followup period of the fifth, a non-treated patient, is also showed. Secondary biochemical-induced changes on the extravasated hemoglobin and its magnetic behaviour correlations are discussed in sorne detail. Finally, the rol of postherapy MR is questioned on the basis of its nonspecific hematological subproducts-related images.</p>" ] ] "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara">Bárcena Orbe, J.; Mestre Moreiro, C.; Cañizal García, J. M.; Rodríguez Hernández, J.; Esteban Alonso, F.: Malformaciones vasculares cerebrales angiograficamente ocultas. Informe sobre cinco casos. Neurocirugía, 1990; 1: 367–374.</p>" ] ] "bibliografia" => array:2 [ "titulo" => "Bibliografía" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:20 [ 0 => array:3 [ "identificador" => "bib1" "etiqueta" => "1." "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Blood flow effects in magnetic resonance imaging" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:1 [ 0 => "L. 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| Year/Month | Html | Total | |
|---|---|---|---|
| 2023 March | 7 | 3 | 10 |
| 2020 November | 2 | 5 | 7 |
| 2018 November | 0 | 2 | 2 |
| 2018 March | 0 | 6 | 6 |
| 2018 February | 10 | 1 | 11 |
| 2018 January | 14 | 20 | 34 |
| 2017 December | 20 | 12 | 32 |
| 2017 November | 11 | 34 | 45 |
| 2017 October | 22 | 24 | 46 |
| 2017 September | 23 | 28 | 51 |
| 2017 August | 15 | 24 | 39 |
| 2017 July | 24 | 20 | 44 |
| 2017 June | 27 | 24 | 51 |
| 2017 May | 20 | 23 | 43 |
| 2017 April | 29 | 11 | 40 |
| 2017 March | 13 | 13 | 26 |
| 2017 February | 8 | 13 | 21 |
| 2017 January | 14 | 7 | 21 |
| 2016 December | 36 | 19 | 55 |
| 2016 November | 45 | 30 | 75 |
| 2016 October | 50 | 19 | 69 |
| 2016 September | 50 | 23 | 73 |
| 2016 August | 55 | 21 | 76 |
| 2016 July | 41 | 27 | 68 |
| 2015 December | 2 | 0 | 2 |
| 2015 July | 0 | 5 | 5 |
| 2015 June | 10 | 23 | 33 |
| 2015 May | 19 | 33 | 52 |
| 2015 April | 15 | 18 | 33 |
| 2015 March | 14 | 22 | 36 |
| 2015 February | 11 | 34 | 45 |
| 2015 January | 13 | 21 | 34 |
| 2014 December | 17 | 30 | 47 |
| 2014 November | 12 | 24 | 36 |
| 2014 October | 18 | 41 | 59 |
| 2014 September | 13 | 52 | 65 |
| 2014 August | 17 | 49 | 66 |
| 2014 July | 13 | 32 | 45 |
| 2014 June | 10 | 36 | 46 |
| 2014 May | 15 | 36 | 51 |
| 2014 April | 7 | 52 | 59 |
| 2014 March | 11 | 49 | 60 |
| 2014 February | 13 | 65 | 78 |
| 2014 January | 11 | 56 | 67 |
| 2013 December | 12 | 66 | 78 |
| 2013 November | 13 | 95 | 108 |
| 2013 October | 15 | 53 | 68 |
| 2013 September | 18 | 69 | 87 |
| 2013 August | 13 | 51 | 64 |
| 2013 July | 18 | 49 | 67 |
| 2013 June | 17 | 32 | 49 |
| 2013 May | 16 | 28 | 44 |
| 2013 April | 17 | 28 | 45 |
| 2013 March | 10 | 25 | 35 |
| 2013 February | 7 | 12 | 19 |
| 2013 January | 13 | 16 | 29 |
| 2012 December | 14 | 17 | 31 |
| 2012 November | 2 | 4 | 6 |
| 2012 October | 0 | 1 | 1 |
| 2012 September | 0 | 2 | 2 |
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