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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">To evaluate the diagnostic accuracy of the percutaneous fine needle aspiration cytology &#40;FNAC&#41; for mediastinal lesions by using histology or follow-up clinical diagnosis as gold standard&#46;</p> <span class="elsevierStyleSectionTitle">Patients and Methods</span><p class="elsevierStyleSimplePara elsevierViewall">CT-guided percutaneous FNAC was performed on 131 patients with mediastinal lesions&#46; Helical CT was used with 3&#8211;10mm image thickness range and low radiation dose &#40;40mAs&#44; 120kV&#41;&#46; Samples were immediately examined by a cytologist to determine if they were representative&#46; Histological samples were obtained by means of biopsy or resection specimens in 73 patients and clinical follow-up in 50&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">The material was satisfactory for diagnosis in 126 patients &#40;95&#46;2 &#37;&#41;&#44; in whom 103 lesions &#40;78&#46;6&#37;&#41; were considered malignant &#40;62 primary tumours and 41 metastases&#41; and 23 &#40;17&#46;6&#37;&#41; benign&#46; In the 123 patients with clinical monitoring or pathological diagnosis&#44; using FNAC led to the identification of malignancy with a sensitivity of 95&#46;2 &#37; &#40;95&#37;CI&#58; 89&#46;2&#8211;97&#46;9&#37;&#41;&#44; specificity 84&#46;2&#37; &#40;95&#37;CI&#58; 62&#46;4&#8211;94&#46;5&#37;&#41;&#44; positive predictive value 97&#46;1&#37; &#40;95&#37;-CI&#58; 91&#46;7&#8211;99&#46;0&#37;&#41;&#44; negative predictive value 76&#46;2&#37; &#40;95&#37;CI&#58; 54&#46;9&#8211;89&#46;4&#37;&#41;&#44; likelihoodratio positive 6&#46;03 &#40;95&#37;CI&#58; 2&#46;13&#8211;17&#46;05&#41; and accuracy 93&#46;5&#37; &#40;95&#37;CI&#58; 87&#46;7&#8211;96&#46;7&#37;&#41;&#46; Pneumothorax was the most frequent complication &#40;3 cases&#41;&#46; There was good agreement between the cytological findings and the histological findings&#44; not only for malignant lesions &#40;kappa coefficient&#58; 0&#46;641&#41; but also for benign &#40;kappa 0&#46;607&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">CT-guided percutaneous FNAC is a safe and effective technique for the diagnosis of the mediastinal masses&#44; with a high diagnostic yield for malignancy depicting&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p class="elsevierStyleSimplePara elsevierViewall">Evaluar la validez diagn&#243;stica de la punci&#243;n aspiraci&#243;n con aguja fina &#40;PAAF&#41; percut&#225;nea en lesiones mediast&#237;nicas considerando la biopsia o el seguimiento cl&#237;nico como patr&#243;n de referencia&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y m&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se realiz&#243; PAAF percut&#225;nea guiada por TC a 131 pacientes con lesiones mediast&#237;nicas&#46; Se us&#243; un TC helicoidal con cortes de 3&#8211;10 mm y baja dosis de radiaci&#243;n &#40;40 mAs&#44; 120 kV&#41;&#46; Las muestras fueron examinadas in situ por un cit&#243;logo para determinar su validez&#46; Se obtuvo comprobaci&#243;n histol&#243;gica mediante biopsia o estudio de pieza quir&#250;rgica en 73 pacientes y seguimiento cl&#237;nico en 50&#44; compar&#225;ndose los resultados globales y en subgrupos&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">En 126 pacientes &#40;96&#44;2&#37;&#41; el material fue v&#225;lido para diagn&#243;stico&#46; Ciento tres lesiones &#40;78&#44;6&#37;&#41; fueron consideradas malignas &#40;62 tumores primarios y 41 met&#225;stasis&#41; y 23 &#40;17&#44;6&#37;&#41; benignas&#46; En los 123 pacientes de los que se dispuso de seguimiento cl&#237;nico o patol&#243;gico&#44; la PAAF permiti&#243; identificar malignidad con una sensibilidad del 95&#44;2&#37; &#40;IC95&#37;&#58; 89&#44;2&#8211;97&#44;9&#37;&#41;&#44; especificidad 84&#44;2&#37; &#40;IC95&#37;&#58; 62&#44;4&#8211;94&#44;5&#37;&#41;&#44; valor predictivo positivo 97&#44;1&#37; &#40;IC95&#37;&#58; 91&#44;7&#8211;99&#44;0&#37;&#41;&#44; valor predictivo negativo 76&#44;2&#37; &#40;IC95&#37;&#58; 54&#44;9&#8211;89&#44;4&#37;&#41;&#44; raz&#243;n de verosi- militud positiva 6&#44;03 &#40;IC95&#37;&#58; 2&#44;13&#8211;17&#44;05&#41; y exactitud 93&#44;5&#37; &#40;IC95&#37;&#58; 87&#44;7&#8211;96&#44;7&#37;&#41;&#46; La complicaci&#243;n m&#225;s frecuente fue el neumot&#243;rax &#40;3 casos&#41;&#46; La correlaci&#243;n citohistol&#243;gica fue elevada tanto en las lesiones malignas &#40;kappa 0&#44;641&#41; como en las benignas &#40;kappa 0&#44;607&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">La PAAF percut&#225;nea guiada por TC es una t&#233;cnica segura y eficaz para el diagn&#243;stico de masas mediast&#237;nicas con alta rentabilidad para la detecci&#243;n de malignidad&#46;</p>"
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Original Article
Usefulness CT-guided F.N.A.C. in the Diagnosis of Mediastinal Lesions
Utilidad de la PAAF guiada por TC en el diagnóstico de lesiones mediastínicas
Virginia Pérez Dueñasa,
Corresponding author
virpedue@gmail.com

Corresponding author.
, Isabel Torres Sáncheza, Francisco García Ríob, Emilio Valbuena Durána, Blanca Vicandi Plazac, Jose María Viguer García-Morenoc
a Servicios de Radiología, Hospital Universitario La Paz, Madrid, Spain
b Servicios de Neumología, Hospital Universitario La Paz, Madrid, Spain
c Servicios de Anatomía Patológica, Hospital Universitario La Paz, Madrid, Spain
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">To evaluate the diagnostic accuracy of the percutaneous fine needle aspiration cytology &#40;FNAC&#41; for mediastinal lesions by using histology or follow-up clinical diagnosis as gold standard&#46;</p> <span class="elsevierStyleSectionTitle">Patients and Methods</span><p class="elsevierStyleSimplePara elsevierViewall">CT-guided percutaneous FNAC was performed on 131 patients with mediastinal lesions&#46; Helical CT was used with 3&#8211;10mm image thickness range and low radiation dose &#40;40mAs&#44; 120kV&#41;&#46; Samples were immediately examined by a cytologist to determine if they were representative&#46; Histological samples were obtained by means of biopsy or resection specimens in 73 patients and clinical follow-up in 50&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">The material was satisfactory for diagnosis in 126 patients &#40;95&#46;2 &#37;&#41;&#44; in whom 103 lesions &#40;78&#46;6&#37;&#41; were considered malignant &#40;62 primary tumours and 41 metastases&#41; and 23 &#40;17&#46;6&#37;&#41; benign&#46; In the 123 patients with clinical monitoring or pathological diagnosis&#44; using FNAC led to the identification of malignancy with a sensitivity of 95&#46;2 &#37; &#40;95&#37;CI&#58; 89&#46;2&#8211;97&#46;9&#37;&#41;&#44; specificity 84&#46;2&#37; &#40;95&#37;CI&#58; 62&#46;4&#8211;94&#46;5&#37;&#41;&#44; positive predictive value 97&#46;1&#37; &#40;95&#37;-CI&#58; 91&#46;7&#8211;99&#46;0&#37;&#41;&#44; negative predictive value 76&#46;2&#37; &#40;95&#37;CI&#58; 54&#46;9&#8211;89&#46;4&#37;&#41;&#44; likelihoodratio positive 6&#46;03 &#40;95&#37;CI&#58; 2&#46;13&#8211;17&#46;05&#41; and accuracy 93&#46;5&#37; &#40;95&#37;CI&#58; 87&#46;7&#8211;96&#46;7&#37;&#41;&#46; Pneumothorax was the most frequent complication &#40;3 cases&#41;&#46; There was good agreement between the cytological findings and the histological findings&#44; not only for malignant lesions &#40;kappa coefficient&#58; 0&#46;641&#41; but also for benign &#40;kappa 0&#46;607&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">CT-guided percutaneous FNAC is a safe and effective technique for the diagnosis of the mediastinal masses&#44; with a high diagnostic yield for malignancy depicting&#46;</p>"
      ]
      "es" => array:2 [
        "titulo" => "Resumen"
        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p class="elsevierStyleSimplePara elsevierViewall">Evaluar la validez diagn&#243;stica de la punci&#243;n aspiraci&#243;n con aguja fina &#40;PAAF&#41; percut&#225;nea en lesiones mediast&#237;nicas considerando la biopsia o el seguimiento cl&#237;nico como patr&#243;n de referencia&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y m&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se realiz&#243; PAAF percut&#225;nea guiada por TC a 131 pacientes con lesiones mediast&#237;nicas&#46; Se us&#243; un TC helicoidal con cortes de 3&#8211;10 mm y baja dosis de radiaci&#243;n &#40;40 mAs&#44; 120 kV&#41;&#46; Las muestras fueron examinadas in situ por un cit&#243;logo para determinar su validez&#46; Se obtuvo comprobaci&#243;n histol&#243;gica mediante biopsia o estudio de pieza quir&#250;rgica en 73 pacientes y seguimiento cl&#237;nico en 50&#44; compar&#225;ndose los resultados globales y en subgrupos&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">En 126 pacientes &#40;96&#44;2&#37;&#41; el material fue v&#225;lido para diagn&#243;stico&#46; Ciento tres lesiones &#40;78&#44;6&#37;&#41; fueron consideradas malignas &#40;62 tumores primarios y 41 met&#225;stasis&#41; y 23 &#40;17&#44;6&#37;&#41; benignas&#46; En los 123 pacientes de los que se dispuso de seguimiento cl&#237;nico o patol&#243;gico&#44; la PAAF permiti&#243; identificar malignidad con una sensibilidad del 95&#44;2&#37; &#40;IC95&#37;&#58; 89&#44;2&#8211;97&#44;9&#37;&#41;&#44; especificidad 84&#44;2&#37; &#40;IC95&#37;&#58; 62&#44;4&#8211;94&#44;5&#37;&#41;&#44; valor predictivo positivo 97&#44;1&#37; &#40;IC95&#37;&#58; 91&#44;7&#8211;99&#44;0&#37;&#41;&#44; valor predictivo negativo 76&#44;2&#37; &#40;IC95&#37;&#58; 54&#44;9&#8211;89&#44;4&#37;&#41;&#44; raz&#243;n de verosi- militud positiva 6&#44;03 &#40;IC95&#37;&#58; 2&#44;13&#8211;17&#44;05&#41; y exactitud 93&#44;5&#37; &#40;IC95&#37;&#58; 87&#44;7&#8211;96&#44;7&#37;&#41;&#46; La complicaci&#243;n m&#225;s frecuente fue el neumot&#243;rax &#40;3 casos&#41;&#46; La correlaci&#243;n citohistol&#243;gica fue elevada tanto en las lesiones malignas &#40;kappa 0&#44;641&#41; como en las benignas &#40;kappa 0&#44;607&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">La PAAF percut&#225;nea guiada por TC es una t&#233;cnica segura y eficaz para el diagn&#243;stico de masas mediast&#237;nicas con alta rentabilidad para la detecci&#243;n de malignidad&#46;</p>"
      ]
    ]
    "bibliografia" => array:2 [
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        0 => array:1 [
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                  "contribucion" => array:1 [
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                      "titulo" => "Punci&#243;n transbronquial aspirativa en el estudio de las adenopat&#237;as mediast&#237;nicas&#58; rentabilidad y coste-beneficio"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
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                            0 => "P&#46; Mart&#237;nez-Olondris"
                            1 => "M&#46; Molina-Molina"
                            2 => "A&#46; Xaubet"
                            3 => "R&#46;M&#46; Marrades"
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                    0 => array:2 [
                      "titulo" => "Diagnosis of anterior mediastinal masses with ultrasonically guided core needle biopsy"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:6 [
                            0 => "V&#46; Annessi"
                            1 => "M&#46; Paci"
                            2 => "S&#46; De Franco"
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                            4 => "G&#46; Ferrari"
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                        "fecha" => "2003"
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                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
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                            0 => "G&#46; Aviram"
                            1 => "J&#46; Greif"
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                0 => array:2 [
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                      "titulo" => "Computed tomographyguided biopsy of mediastinal lesions&#58; fine versus cutting needles"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
                            0 => "A&#46;P&#46; De Farias"
                            1 => "D&#46; Deheinzelin"
                            2 => "R&#46;N&#46; Younes"
                            3 => "R&#46; Chojniak"
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                      ]
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                  ]
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                    0 => array:1 [
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              ]
            ]
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                  "contribucion" => array:1 [
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                      "titulo" => "Diagnostic accuracy of image-guided percutaneous fine needle aspiration biopsy of the mediastinum"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
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                            0 => "M&#46;W&#46; Assaad"
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                  ]
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                          ]
                        ]
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                    ]
                  ]
                ]
              ]
            ]
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              "etiqueta" => "10&#46;"
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                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "The diagnostic value of image guided percutaneous fine needle aspiration biopsy in equivocal mediastinal masses"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:5 [
                            0 => "M&#46;G&#46; G&#252;ll&#252;o&#287;lu"
                            1 => "Z&#46; Kili&#231;aslan"
                            2 => "A&#46; Toker"
                            3 => "G&#46; Kalayci"
                            4 => "D&#46; Yilmazbayhan"
                          ]
                        ]
                      ]
                    ]
                  ]
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                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
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                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
                            0 => "F&#46; Desai"
                            1 => "M&#46; Shah"
                            2 => "S&#46; Patel"
                            3 => "S&#46;N&#46; Shukla"
                          ]
                        ]
                      ]
                    ]
                  ]
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                    ]
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                          ]
                        ]
                      ]
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                  ]
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                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            13 => array:3 [
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                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Minimally invasive approaches for histological diagnosis of anterior mediastinal masses"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
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                            0 => "W&#46;T&#46; Fang"
                            1 => "M&#46;Y&#46; Xu"
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                          ]
                        ]
                      ]
                    ]
                  ]
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Article information
ISSN: 15792129
Original language: English
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2014 November 42 15 57
2014 October 52 15 67
2014 September 50 20 70
2014 August 53 19 72
2014 July 34 16 50
2014 June 55 15 70
2014 May 50 19 69
2014 April 67 13 80
2014 March 73 12 85
2014 February 62 21 83
2014 January 53 17 70
2013 December 53 12 65
2013 November 50 5 55
2013 October 63 9 72
2013 September 47 11 58
2013 August 60 10 70
2013 July 66 12 78
2013 June 39 11 50
2013 May 47 8 55
2013 April 29 4 33
2013 March 11 3 14
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Archivos de Bronconeumología

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