Reporte de caso: ALKOMA oculto o emergente en una paciente no fumadora con cáncer de pulmón de célula no pequeña metastásico
Case report: occult versus emergent ALKOMA in a never-smoker female patient with advanced non-small cell lung cancer
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Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-SinDerivadas 4.0.
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Introducción: el cáncer de pulmón es una enfermedad genómicamente diversa y prevalente en nuestro medio. Los rearreglos de ALK se presentan en una minoría de los casos de cáncer de pulmón de célula no pequeña, pero seleccionan a una población de pacientes altamente sensible a inhibidores específicos y con una proporción igualmente alta de sobrevivientes a largo plazo.
Caso clínico: en este reporte se describe el caso de una mujer nunca fumadora que debuta con un adenocarcinoma de pulmón metastásico y una evaluación inicial de ALK negativa por inmunohistoquímica (D5F3). La paciente recibió tratamiento con quimioinmunoterapia seguido de radioterapia corporal ablativa estereotáctica, logrando un importante beneficio clínico. Tras la progresión, se detecta en tejido una fusión EML4-ALK. Al momento de la publicación, la condición de la paciente permanece favorable y mantiene una respuesta parcial tras el inicio de terapia con alectinib más ramucirumab.
Conclusión: la identificación de los mecanismos de resistencia asociados a la progresión permite identificar dianas terapéuticas y mejorar los desenlaces oncológicos de los pacientes.
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