Mesotelioma pleural
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Transcript of Mesotelioma pleural
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MESOTELIOMA PLEURAL
Jade Diaz Gonzalez
5to A
Neumologia Teorica
Dr. A.L.
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DEFINICION
Tumor derivado de la capa mesotelial de la pleura, de origen mesodérmico.
Pueden ser
Localizados
Difusos
Pueden presentar diferenciación:
Epitelial
Mesenquimal (fibrosa o sarcomatoide)
Mixta.
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EPIDEMIOLOGIA
Es el tumor pleural maligno mas comun. Incidencia en EUA
de 2,200 casos/año
Hombres, 5ta -6ta decada de vida.
Riesgo de 18 – 30% en trabajadores de asbesto con
exposicion de 20 – 50 años
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ETIOLOGIA
Asbesto (40%)
Amionato:
Azul/Crocidolita
Blanco/Crisotilo
Riesgo es proporcional a:
Densidad del polvo de amianto
Duración de la exposición
Tiempo transcurrido desde la primera exposición
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CARACTERISTICAS
Localizado: Benigno o Maligno. Asintomatico.
Difuso: Maligno. Con derrame pleural
seroso/sanguinolento.
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MANIFESTACIONES CLINICAS
Dolor torácico 60% discreto, persistente y
lentamente progresivo
Disnea 25%
Tos 20%
Derrame pleural unilateral
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DIAGNOSTICO
Radiografia
TAC
Biopsia (toracoscopia o toracotomía)
Toracosentesis (citologia)
Microscopia Electronica
Inmunohistoquimica GOLD STANDARD
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ESTUDIOS DE IMAGEN
Crecimiento en el grosor de las placas pleurales
Unilateral
Derecho
Invasion toracica, costillas y mesdiastino
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MARCADORES BIOQUIMICOS
Exudado
Prot. 4g/dl
Linfocitosis
LDH <600 IU/L
pH acido
Glucosa Baja
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MARCADORES INMUNOHISTOQUIMICOS
CK5-6
Calretinina
Antigeno tumoral-1 de Wilms
D2-40
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TRATAMIENTO
Cirugia Radical
Tratamiento Paliativo
Pronostico: variable, <6 meses
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Fin