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Rev. chil. neurocir ; 37: 81-86, jul. 2011. ilus
Article in Spanish | LILACS | ID: lil-708082

ABSTRACT

El carcinoma de células de Merkel es un tumor maligno y muy raro de la piel. Este tumor emerge de las células epiteliales que presentan una diferenciación neuroendocrina. Ocurre más comúnmente en los adultos masculinos mayores. Las metástasis intracraneales de un carcinoma de células de Merkel son aun más raras. En este articulo, se presentara un caso de un paciente masculino de 70 años con antecedente de carcinoma de células de Merkel quien debuto con una ptosis que progresivamente presento una parálisis completa del tercer par craneal. En los estudios realizados al paciente, se encontró una lesión infiltrante al seno cavernoso y a la silla turca que resulto ser una metástasis por un carcinoma de células de Merkel. En esta publicación, se discutirá el caso clínico y se revisará la literatura al respecto de estas lesiones raras del sistema nervioso central.


Merkel cell carcinoma is a rare and malignant tumor of the skin. This lesion arises from epithelial cells that have undergone neuroendocrine differentiation. They are more commonly found in older male adults. Intracranial metastases from Markel cell carcinoma are even rarer. We will present a case of a 70 year old male with known history of Merkel cell carcinoma that suddenly presented with a right eye ptosis and progressively presented complete third nerve palsy. The patient was studied and was found to have an infiltrating lesion of the cavernous sinus and the sellar region. This tumor resulted in a metastasis from a Merkel Cell Carcinoma. In this article we will discuss the clinical case of this patient and we will review the literature concerning this rare lesion of the Central nervous system.


Subject(s)
Humans , Male , Aged , Cavernous Sinus , Carcinoma, Merkel Cell/surgery , Carcinoma, Merkel Cell/complications , Carcinoma, Merkel Cell/diagnosis , Carcinoma, Merkel Cell/mortality , Carcinoma, Merkel Cell/radiotherapy , Diagnostic Imaging , Neoplasm Metastasis , Sella Turcica/pathology
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