Las metástasis cerebrales son las lesiones intracraneales que se observan con mayor frecuencia en adultos. Por otra parte, los meningiomas son los tumores intracraneales primarios más frecuentes luego de los gliomas y son bien conocidas las características imagenológicas de estos, tanto en TAC como en RM. Sin embargo, hay lesiones que pueden simular meningiomas en estudios por imágenes, entre las que encontramos metástasis de tumores extracraneanos, afrontándonos a un reto diagnóstico y terapéutico. Presentamos el caso de una paciente con metástasis meníngea de un leiomiosarcoma uterino que no era conocido en el momento de la intervención quirúrgica.
Brain metastases are the most commonly seen intracranial lesions in adults. What is more, meningiomas are the most common primary intracranial tumours after gliomas and their imaging characteristics are well known in both CT and MRI scans. However, there are lesions that can mimic meningiomas in imaging studies, including metastases of extracranial tumours, confronting us with a diagnostic and therapeutic challenge. We present the case of a patient with meningeal metastasis of a uterine leiomyosarcoma that was not known at the time of the surgical intervention.
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