Los tumores neuroectodérmicos primitivos constituyen un controvertido grupo tumoral de estirpe maligna. Su ubicación vertebral es rara, y a nivel de la cola de caballo lo es más. Presentamos el caso de un varón de 40 años con una historia progresiva de dolor bajo de espalda y dificultad para caminar. Tras diagnosticar un tumor neuroectodérmico primitivo de la cola de caballo, apreciamos una siembra ascendente hacia el espacio subaracnoideo intacraneal y una evolución desfavorable.
Se analizan los casos publicados en la literatura de tumores primarios neuroectodérmicos primitivos de la médula espinal.
Primitive neuroectodermal tumors are malignant neoplasms whose classification has been controversial. Spinal primitive neuroectodermal tumors are rare and at the cauda equina are even less common. We report the case of a 40 year-old man with a history of progressive back pain and gait difficulty. After the diagnosis of a primitive neuroectodermal tumor of the cauda equina, the patient presented seeding to the intracranial subarachnoid space followed by a poor outcome.
We review the literature of primary spinal primitive neuroectodermal tumors.
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