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Vol. 31. Issue 3.
Pages 151-154 (May - June 2020)
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Vol. 31. Issue 3.
Pages 151-154 (May - June 2020)
Caso clínico
Papiloma del plexo coroideo del tercer ventrículo. Descripción de un caso
Choroid plexus papilloma of the third ventricle. A case report
Julián Castro Castroa,
Corresponding author
juliancastrocastro@yahoo.es

Autor para correspondencia.
, Olalla Lista Martíneza, Elisa Clara Cuevas Álvarezb, José María Iglesias Meleiroc, Cristina Pérez Lópezd
a Servicio de Neurocirugía, Complexo Hospitalario Universitario de Ourense, Orense, España
b Servicio de Anatomía Patológica, Complexo Hospitalario Universitario de Ourense, Orense, España
c Servicio de Pediatría, Complexo Hospitalario Universitario de Ourense, Orense, España
d Servicio de Radiodiagnóstico, Complexo Hospitalario Universitario de Ourense, Orense, España
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Resumen

El papiloma del plexo coroideo es un tumor poco frecuente del sistema nervioso central, que representa menos del 1% de todas las neoplasias intracraneales. Las ubicaciones habituales son el ventrículo lateral en bebés y niños y el cuarto ventrículo en adultos. El tercer ventrículo es una localización inhabitual, con pocos casos recogidos en la bibliografía.

Describimos el caso de un niño de 3 meses que ingresó en nuestro centro con signos de aumento de la presión intracraneal. Los estudios de neuroimagen mostraron una lesión en el tercer ventrículo, con hidrocefalia asociada. Al paciente se le extirpó completamente el tumor mediante abordaje transfrontal y cirugía de derivación ventriculoperitoneal. El curso postoperatorio del niño transcurrió sin incidentes y la imagen de resonancia magnética de seguimiento no reveló tumor residual. La histopatología de la lesión resecada confirmó el diagnóstico de papiloma del plexo coroideo.

Discutimos las características clínicas, radiológicas e histológicas de este tipo infrecuente de tumores.

Palabras clave:
Hidrocefalia
Imagen de resonancia magnética
Papiloma del plexo coroideo
Tercer ventrículo
Abstract

Choroid plexus papilloma is an uncommon tumour of the central nervous system, accounting for less than 1% of all intracranial neoplasm. The usual locations are the lateral ventricle in infants and children and the fourth ventricle in adults. The third ventricle is a rare location, with few cases reported in the literature.

We describe the case of a 3-month-old boy who was admitted to our centre with signs of raised intracranial pressure. Neuroimaging studies showed a third ventricular mass with associated hydrocephalus. The patient underwent complete tumour removal through a transfrontal approach and ventriculo-peritoneal shunt surgery. Postoperative course of the child was uneventful and follow-up magnetic resonance imaging revealed no residual tumour. Histopathology of the resected lesion confirmed the diagnosis of choroid plexus papilloma.

We discuss the clinical, radiological and histological features of this infrequent type of tumours.

Keywords:
Hydrocephalus
Magnetic resonance imaging
Choroid plexus papilloma
Third ventricle

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