Results: 6

Pleomorphic Xanthoastrocytoma with Oligodendroglioma-Like Areas with Negative 1p19q Co-Deletion

Arq. bras. neurocir; 40 (2), 2021
The most common mixed glioma encountered in routine surgical practice is oligoastrocytoma (OA); however, its is currently considered a vanishing entity. The 2016 classification of the World Health Organization (WHO) discourages the diagnosis of tumors as mixed glioma. The recommendations are that diffuse...

Biomarcadores radiológicos en RM para una aproximación al diagnóstico molecular en gliomas IDH-mutados (grado II y III)

Rev. argent. radiol; 85 (1), 2021
Resumen Objetivo: Analizar características por resonancia magnética (RM) de gliomas IDH-mutados (grado II y III) en base a parámetros cualitativos, a fin de valorar el rendimiento del signo del mismatch T2-FLAIR y otras características morfológicas de los tumores, en predecir el estado del 1p/19q ...

A Diffuse Leptomeningeal Glioneural Tumor Case Producing Hydrocephalus and Polyradiculopathy

Arq. bras. neurocir; 39 (3), 2020
The present report describes the case of a male 17-year-old patient who progressively developed a hydrocephalus and polyradiculopathy due to involvement of central nervous system (CNS) by a diffuse leptomeningeal glioneuronal tumor (DLGNT). The tumor had partial remission in response to the treatment wit...

Oligodendroglioma anaplásico quístico: reporte de caso

Rev. chil. radiol; 26 (1), 2020
Resumen: Los oligodendrogliomas anaplásicos son gliomas infiltrantes grado III de la organización mundial de la salud (OMS). Son tumores poco frecuentes y representan el 5-10% de todas las neoplasias intracraneales primarias. Su incidencia es de 0.3 por 100.000 habitantes por año en Estados Unidos. Co...

Oligodendroglioma with Sarcomatous Transformation: Case Report and Literature Review

Arq. bras. neurocir; 38 (2), 2019
Oligodendrogliomas are infiltrative tumors of the central nervous systemconsidered to be morphologically stable and to offer a better prognosis. Here, we describe the case of a 36- year-old man with an initial diagnosis of oligodendroglioma, World Health Organization (WHO) grade II, who presented transfo...

Superior Sagittal Sinus Invasion by Malignant Glioma: Case Report and Literature Review

Arq. bras. neurocir; 38 (1), 2019
Anaplastic oligodendrogliomas (AOs) correspond to 23% of all oligodendrogliomas. They correspond to a tumor with malignant histological characteristics, focal or diffuse, associated with a worse prognosis. In the present case report, we describe the case of a 30-year-old female submitted to resection of...