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Vol. 23. Num. 3.May 2012
Pages 89-130
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Vol. 23. Num. 3.May 2012
Pages 89-130
DOI: 10.1016/j.neucir.2012.02.003
Primary melanoma of the cauda equina, Case report and review of the literature
Melanoma primario de la cauda equina, caso clínico y revisión de la bibliografía
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Marta Cicuendeza,
Corresponding author
marta.cicuendez@gmail.com

Corresponding author. marta.cicuendez@gmail.com
, Igor Paredesa, Pablo M. Munarriza, Amaya Hilariob, Ana Cabelloc, Alfonso Lagaresa
a Department of Neurosurgery, Hospital 12 de Octubre, Madrid, Spain
b Department of Neuroradiology, Hospital 12 de Octubre, Madrid, Spain
c Department of Neuropathology, Hospital 12 de Octubre, Madrid, Spain
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The authors report the case of an 82 year-old woman with a primary malignant melanoma of the cauda equina resembling lumbar schwannoma in the MRI study. Melanocytic neoplasms are very rare but they should be included in the differential diagnosis of lesions involving the spinal nerves. The treatment of choice for these lesions is complete resection followed by radiotherapy. The outcomes reported in the literature are variable and are associated with the age of presentation, histopathological findings, extent of surgical resection and absence of metastatic lesions.

Keywords:
Primary melanoma
Spinal nerve tumour
Melanocytic neoplasm
Intradural tumour

Se presenta el caso clínico de una paciente de 82 años con un melanoma maligno primario de la cauda equina, que en las imágenes de resonancia magnética parecía un schawnnoma lumbar. Las neoplasias melanocíticas son muy raras, pero se deben incluir en el diagnóstico diferencial de las lesiones que afectan a los nervios espinales. Su tratamiento de elección es la resección completa, seguida de radioterapia. La evolución de estos pacientes es muy variable y va a depender de la edad del paciente, de los hallazgos histopatológicos, de la resección quirúrgica y de la ausencia de metástasis.

Palabras clave:
Melanoma primario
Tumor de la raíz espinal
Neoplasia melanocítica
Tumor intradural

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