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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Existe la posibilidad de que las neoplasias pulmonares puedan emitir c&#233;lulas malignas a la cavidad pleural por distintos mecanismos&#46; Esta posibilidad depende no s&#243;lo del tipo histol&#243;gico&#44; sino tambi&#233;n del estadio cl&#237;nico&#46;</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se analiza si la citolog&#237;a maligna hallada en el lavado pleural influye en la supervivencia y aparici&#243;n de met&#225;stasis pleurales en su evoluci&#243;n postoperatoria&#46;</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Presentamos una serie de 200 pacientes intervenidos quir&#250;rgicamente en el Hospital General Universitario de Valencia desde el 1 de febrero de 1990 al 30 de marzo de 1993&#46;</p><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Consta de dos grupos&#58; el grupo primero est&#225; formado por 150 pacientes diagnosticados de c&#225;ncer de pulm&#243;n &#40;CP&#41;&#44; ninguno de los cuales tuvo derrame pleural previo ni sufri&#243; punci&#243;n transtor&#225;cica durante su estudio preoperatorio&#46; Se excluyen de este grupo los pacientes tratados con quimioterapia &#40;QT&#41; o radioterapia &#40;RT&#41; neoadyuvantes&#44; con el fin de evitar falsos positivos&#44; y el grupo segundo o grupo testigo estaba formado por 50 pacientes sin patolog&#237;a tumoral a los que se realiz&#243; toracotom&#237;a por otras circunstancias&#46;</p><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">A todos ellos se les practic&#243; lavados pleurales con suero fisiol&#243;gico antes y despu&#233;s de las maniobras destinadas a la ex&#233;resis pulmonar&#46;</p><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Encontramos un 26&#44;6&#37; &#40;40&#47;150&#41; de citolog&#237;as positivas en la totalidad de lavados pre y posquir&#250;rgicos del grupo primero&#46; No encontramos citolog&#237;as positivas en el grupo testigo&#46;</p></span>"
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Vol. 32. Issue 7.
Pages 321-326 (August - September 1996)
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Vol. 32. Issue 7.
Pages 321-326 (August - September 1996)
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Valor pronóstico de la citología positiva hallada en el lavado pleural de pacientes con cáncer de pulmón. Estudio prospectivo
Prognostic value of positive findings of pleural lavage cytology in lung cancer patients. A prospective study
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A. Arnau Obrer1, A. Cantó Armengod, E. Martín Díaz
Servicios de Cirugía Torácica, Hospital General Universitario de Valencia
R. Navarro Ibáñez*, M. Ramón Capilla*, R. García Aguado**, M. Martorell Cebollada***
* Servicios de Neumología, Hospital General Universitario de Valencia
** Servicios de Ancstesia y Reanimación, Hospital General Universitario de Valencia
*** Servicios de Anatomía Patológica. Hospital General Universitario de Valencia
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Existe la posibilidad de que las neoplasias pulmonares puedan emitir células malignas a la cavidad pleural por distintos mecanismos. Esta posibilidad depende no sólo del tipo histológico, sino también del estadio clínico.

Se analiza si la citología maligna hallada en el lavado pleural influye en la supervivencia y aparición de metástasis pleurales en su evolución postoperatoria.

Presentamos una serie de 200 pacientes intervenidos quirúrgicamente en el Hospital General Universitario de Valencia desde el 1 de febrero de 1990 al 30 de marzo de 1993.

Consta de dos grupos: el grupo primero está formado por 150 pacientes diagnosticados de cáncer de pulmón (CP), ninguno de los cuales tuvo derrame pleural previo ni sufrió punción transtorácica durante su estudio preoperatorio. Se excluyen de este grupo los pacientes tratados con quimioterapia (QT) o radioterapia (RT) neoadyuvantes, con el fin de evitar falsos positivos, y el grupo segundo o grupo testigo estaba formado por 50 pacientes sin patología tumoral a los que se realizó toracotomía por otras circunstancias.

A todos ellos se les practicó lavados pleurales con suero fisiológico antes y después de las maniobras destinadas a la exéresis pulmonar.

Encontramos un 26,6% (40/150) de citologías positivas en la totalidad de lavados pre y posquirúrgicos del grupo primero. No encontramos citologías positivas en el grupo testigo.

Palabras clave:
Cáncer de pulmón
Lavados pleurales
Citología pleural

Pulmonary neoplasms can deposit malignant cells in the pleural cavity by a variety of mechanisms, depending not only on histological type but also on clinical stage.

We investigated the effect on survival rate of a finding of malignant cells in pleural lavage. We also investigated the effect of the presence of pleural metastasis on postoperative course of disease.

Two hundred surgical patients at Hospital General Universitario in Valencia between 1 February 1990 and 30 March 1993 were studied.

Two groups were formed. Group one: 150 patients with lung cancer, none of whom had had pleural effusion prior to suffering transthoracic puncture during the preoperative study. Patients treated with parallel chemotherapy or radiotherapy were excluded in order to circumvent false positives. Group two: 50 patients with no tumors who underwent thoracotomy for reasons other than lung cancer.

All patients underwent pleural lavage with saline before and after lung exeresis.

We found 26.6% (40/150) positive cytologies in the pre and postoperative lavages in the first group. None were found in the control group.

Key words:
Lung cancer
Pleural lavage
Pleural cytology
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Copyright © 1996. Sociedad Española de Neumología y Cirugía Torácica
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