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Neurochirurgie ; 70(4): 101553, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38547561

RESUMEN

BACKGROUND: Ependymal cysts (EC) typically present supra-tentorially near the lateral ventricle, juxta ventricular, or temporoparietal regions. Previous cases have also identified infratentorial EC of the brainstem, cerebellum, and subarachnoid spaces. They are mostly asymptomatic. In this paper, we present the first-ever case of a symptomatic medullary ependymal cyst treated with surgery, along with a comprehensive review of the literature on EC of other parts of the brain stem. CASE DESCRIPTION: This 51-year-old female presented with hearing loss, dizziness, diplopia, and ataxia. Radiographic imaging indicated the presence of a non-enhancing lesion in the medulla with a mass effect on the brainstem. Pathological examination confirmed its characterization as an ependymal cyst. The patient underwent a suboccipital craniotomy for the fenestration of the medullary ependymal cyst under neuro-navigation, Intra-op ultrasound and intra-operative neuro-monitoring. Histopathological examination confirmed the diagnosis of an ependymal cyst. At one month follow-up, her KPS is 90, ECOG PS 1, and her ataxia has improved with complete resolution of diplopia. CONCLUSION: Due to their rarity and potential similarity to other cystic structures, EC may be overlooked or incorrectly diagnosed resulting in mismanagement and surgical disaster. Therefore, a comprehensive understanding and awareness of their distinct characteristics are essential for accurate diagnosis and appropriate management.


Asunto(s)
Bulbo Raquídeo , Humanos , Femenino , Persona de Mediana Edad , Bulbo Raquídeo/cirugía , Bulbo Raquídeo/patología , Epéndimo/cirugía , Epéndimo/patología , Quistes del Sistema Nervioso Central/cirugía , Quistes del Sistema Nervioso Central/diagnóstico , Neoplasias del Tronco Encefálico/cirugía , Neoplasias del Tronco Encefálico/diagnóstico , Neoplasias Infratentoriales/cirugía , Neoplasias Infratentoriales/diagnóstico , Imagen por Resonancia Magnética , Craneotomía/métodos
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