PMID: 8599779Nov 1, 1995Paper

Supratentorial ectopic ependymoma

The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques
O VernetJ L Montes

Abstract

Ependymomas usually arise from the ventricular surface. We report an 11-year-old female who presented with a supratentorial ectopic ependymoma. The patient presented with a two-month-history of progressive headache, nausea and vomiting. Examination revealed papilledema, horizontal nystagmus, diplopia on upward gaze, and right pronator drift. CT scan showed an enhancing left precentral subcortical lesion measuring 3 cm in diameter with associated edema and mass effect. Its medial border was located 3 cm from the ependymal surface of the ventricle. A firm tumour was dissected from the centrum semiovale white matter, and removed in toto as confirmed on MRI. Pathological examination revealed histological, immuno-histochemical and electron microscopic features consistent with an ependymoma. Spine MRI and bone marrow aspirate, as well as lumbar puncture of cytology failed to show any dissemination. From the literature review, this represents an exceptional ependymoma located at the distance from the ventricular system or cisterns. Different pathogenic alternatives are discussed.

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Citations

Nov 27, 2010·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Murat KutlayUfuk Berber
Nov 20, 2014·Brain Tumor Research and Treatment·Min-Hee HanJeong-Hyun Hwang
Apr 2, 2013·Journal of Neurosurgery. Pediatrics·Tene A CageKurtis I Auguste
Feb 6, 2004·Brain Tumor Pathology·Atsuhiro KojimaYoichi Nakazato
May 17, 2002·Neurologia Medico-chirurgica·Hideo TakeshimaJun-ichi Kuratsu
Nov 21, 2007·Neuropathology : Official Journal of the Japanese Society of Neuropathology·Dennis J LumAndrew Law
Jul 1, 2005·Neurosurgery·Federico RoncaroliGiovanna Cenacchi
Nov 22, 2011·Journal of Korean Neurosurgical Society·Sang-Kook LeeSang-Dae Kim
Feb 24, 2001·Neuropathology : Official Journal of the Japanese Society of Neuropathology·Y SatoT Hayashi
Oct 12, 2010·Brain Pathology·Eun Kyung ParkKyu-Won Shim
Jul 17, 2015·Journal of Korean Neurosurgical Society·Kouji YamasakiHideo Takeshima
Dec 21, 2007·Brain Tumor Pathology·Takahito MiyazawaKatsuji Shima
Jul 24, 2021·Journal of Computer Assisted Tomography·Xiaoshuang WangJiawen Zhang
Mar 18, 2004·Neurosurgery Clinics of North America·Aaron S DumontMark E Shaffrey

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