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Vol. 25. Issue 4.
Pages 189-193 (July - August 2014)
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Vol. 25. Issue 4.
Pages 189-193 (July - August 2014)
Caso clínico
Neurocitoma atípico de cerebelo que simula un hemangioblastoma. Presentación de un caso
Atypical cerebellar neurocytoma resembling a hemangioblastoma. A case report
Olalla Lista Martínez
Corresponding author
olallalista@hotmail.com

Autor para correspondencia.
, Luis Alfredo Rivas López, Jorge Francisco Pombo Otero, Santiago Amaro Cendón, Christian Bravo García, Juan Manuel Villa Fernández
Servicio de Neurocirugía y Anatomía Patológica, Hospital Universitario de A Coruña, A Coruña, España
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Resumen

Hasta agosto 2013 se han descrito alrededor de 105 casos de neurocitomas extraventriculares intracraneales, de los cuales el 6% se localizan en el cerebelo y el 22% son neurocitomas extraventriculares atípicos.

El neurocitoma extraventricular atípico es una variante infrecuente, con solo 24 casos descritos y con un pronóstico más sombrío que el neurocitoma central típico.

Se presenta un neurocitoma extraventricular atípico de cerebelo, nunca publicado hasta la fecha; de ahí el interés de este trabajo. Destaca la singularidad de ser un tumor quístico con nódulo mural, una presentación poco frecuente.

Los neurocitomas extraventriculares son tumores con baja incidencia que deben considerarse en el diagnóstico diferencial inicial de lesiones cerebelosas quísticas con nódulo mural.

Dado que el pronóstico depende del grado de atipia y de la resección quirúrgica, en casos de neurocitomas extraventriculares atípicos el seguimiento debe ser más estrecho, por el mayor riesgo de recidivas que presentan.

Palabras clave:
Neurocitoma
Extraventricular
Tumor cerebeloso
Atipia celular
Nódulo mural
Quístico
Abstract

Through August 2013, 105 cases of intracranial extraventricular neurocytoma (EVN) had been described; 6% were located in cerebellum and 22% were atypical EVN.

A rare morphologic form of neurocytoma, atypical EVN has had only 24 cases reported to date. Its prognosis is poorer than the typical central neurocytoma.

This case report describes an atypical cerebellar EVN, a form that has not been reported yet, hence the interest of this article. We emphasise its cystic nature and mural nodule, in an infrequent presentation.

EVN are low-incidence tumours that we need to take into consideration when making the differential diagnosis of cystic cerebellar lesions with mural nodule.

Given that the prognosis of atypical EVNs depends on the atypical nature and on the grade of resection, medical follow up has to be more constant, due to the greater degree of recurrence.

Keywords:
Neurocytoma
Extraventricular
Cerebellar tumour
Atypical cellular nature
Mural nodule
Cystic

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