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Rev. patol. respir ; 19(4): 136-138, oct.-dic. 2016. ilus
Article in Spanish | IBECS | ID: ibc-159486

ABSTRACT

El sarcoma sinovial de pleura es una neoplasia poco frecuente que representa el 0,5% de los tumores malignos del pulmón. Se origina tras una translocación del cromosoma 18 y se cree que deriva de células mesenquimales pluripotenciales. Afecta principalmente a adultos jóvenes sin una clara predisposición de sexo. Se clasifica histológicamente en cuatro tipos: fusiforme, epitelioide, bifásico y pobremente diferenciado. El estudio inmunohistoquímico del tejido es fundamental para realizar el diagnóstico, mostrando reactividad positiva a la citoqueratina y antígeno epitelial de membrana. El pronóstico de la enfermedad es malo, con una tasa de supervivencia a los 5 años del 50%. Aunque no existe un consenso de cómo tratar esta patología, la extirpación quirúrgica total de la lesión es la opción terapéutica más utilizada y en algunos casos se utiliza radioterapia y quimioterapia adyuvante


Synovial sarcoma of the pleura is a rare neoplasia that represents 0.5% of lung malign tumors. It originates after a translocation of the 18th chromosome and it is believed that derives from pluripotent mesenchymal cells. It usually affects young adults without a clear sex predisposition. The histological classification consist in four types: monophasic spindle cell, monophasic epithelial, biphasic and poorly differentiated type. The immunohistochemistry study of the tissue is fundamental to make the diagnosis, showing positive reaction to cytokeratin and epithelial membrane antigen. The prognosis of the disease is poor, with a 50% five year survival rate. Even that doesn’t exist a consent to treat this pathology, the complete surgical removal of the tumor is the preferred therapeutic option and in some cases, adjuvant radiotherapy and chemotherapy is indicated


Subject(s)
Humans , Male , Aged , Sarcoma, Synovial/metabolism , Sarcoma, Synovial/pathology , Pleura/physiology , Lung Neoplasms/pathology , Translocation, Genetic/genetics , Sarcoma/pathology , Immunohistochemistry/methods , Immunohistochemistry/standards , Tomography, Emission-Computed/methods , Sarcoma, Synovial/complications , Sarcoma, Synovial/diagnosis , Lung Neoplasms/metabolism , Translocation, Genetic/physiology , Sarcoma/metabolism , Immunohistochemistry/classification , Immunohistochemistry , Tomography, Emission-Computed/instrumentation
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