Journal Information
Vol. 30. Issue 3.
Pages 144-148 (May - June 2019)
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Vol. 30. Issue 3.
Pages 144-148 (May - June 2019)
Caso clínico
Tumor glioneuronal papilar. Descripción de un caso
Papillary glioneuronal tumor. A case report
Julián Castro Castroa,
Corresponding author
juliancastrocastro@yahoo.es

Autor para correspondencia.
, Olalla Lista Martíneza, Nuria Caramés Díazb, Noemi Conde Lorenzoc
a Servicio de Neurocirugía, Complexo Hospitalario Universitario de Ourense, Ourense, España
b Servicio de Anatomía Patológica, Complexo Hospitalario Universitario de Ourense, Ourense, España
c Servicio de Pediatría, Complexo Hospitalario Universitario de Ourense, Ourense, España
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Resumen

El tumor glioneuronal papilar (TGNP) es una neoplasia del sistema nervioso central de reciente descripción. En el año 2007, la Organización Mundial de la Salud clasificó este tumor como una neoplasia neuronal-glial de grado i. Los pacientes suelen ser niños o adultos jóvenes que presentan clínica de cefalea o crisis comiciales.

Describimos el caso de un paciente varón de 13 años de edad que fue remitido a nuestro centro tras presentar un traumatismo craneal leve a consecuencia de un accidente de circulación. La tomografía computarizada realizada en urgencias mostraba una lesión temporo-occipital derecha hipointensa. La imagen de resonancia magnética confirmó la presencia de una lesión indicativa de un tumor cerebral primario. Se realizó una exéresis quirúrgica completa de la lesión, con adecuada recuperación postoperatoria. El estudio de anatomía patológica de la lesión demostró una estructura seudopapilar con astrocitos y neuronas, compatible con TGNP.

Discutimos los hallazgos clínicos, radiológicos e histológicos de este tipo de tumores poco frecuentes.

Palabras clave:
Tumor glioneuronal papilar
Imagen de resonancia magnética
Tumor cerebral
Patología
Abstract

Papillary glioneuronal tumor (PGNT) is a recently described central nervous system neoplasm. In 2007, the World Health Organization classified this tumor as a grade I neuronal-glial neoplasm. Patients are usually juvenile and young adults who commonly present with headache or seizures.

We report a case of a 13-year-old boy that was related to our hospital after suffering a mild head injury result of an automobile accident. Emergent CT scan showed a right hypointense temporo-occipital lesion. MRI confirmed the presence of a lesion suggestive of a primary brain tumor. The patient underwent total resection of the tumor, followed by an uneventful recovery. Pathological analysis of the lesion revealed characteristic pseudopapillary structure with astrocytes and neurons, compatible with PGNT.

We discuss the clinical, Radiological and histological features of this infrequent type of tumors.

Keywords:
Papillary glioneuronal tumor
Magnetic resonance imaging
Brain tumor
Pathology

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