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1.
Arq. bras. neurocir ; 39(2): 149-153, 15/06/2020.
Artículo en Inglés | LILACS | ID: biblio-1362530

RESUMEN

Introduction Meningiomas are the most common primary intracranial tumors, accounting for up to 35% of the neoplasms in this category. Approximately 10­20% of these neoplasms are histologically atypical, and the lymphoplasmacyte-rich meningioma (LPM) corresponds to a very rare subtype of meningioma that is characterized histopathologically by massive infiltrates of inflammatory cells. The case described in the present study is the sixth case of an intraventricular LPM found in the literature and the first case considering the location in the third ventricle. Case Description A 21-year-old male without previous comorbidities sought medical attention due to visual impairment (complaining of intermittent visual blur) for 2 months. A magnetic resonance imaging of the brain confirmed the presence of a well-delimited solid mass in the third ventricle of 3.0 2.3 cmwith a cystic component that extended itself inferiorly and distorted the visual pathway anatomy. Neurosurgeons decided to access the lesion using an interhemispheric transcallosal approach with a transforaminal access, and the lesion was resected completely. The patient has an ambulatorial endocrinological follow-up and is neurologically stable 6 months after the procedure. No new visual deficits were noted. Conclusion Lymphoplasmacyte-rich meningioma is a very rare intracranial tumor, and the involvement of the third ventricle make this case unique.


Asunto(s)
Humanos , Masculino , Adulto , Tercer Ventrículo/cirugía , Tercer Ventrículo/patología , Neoplasias Meníngeas/cirugía , Meningioma/cirugía , Neoplasias Meníngeas/patología , Neoplasias Meníngeas/diagnóstico por imagen , Meningioma/patología , Meningioma/diagnóstico por imagen
2.
Arq. bras. neurocir ; 38(3): 215-218, 15/09/2019.
Artículo en Inglés | LILACS | ID: biblio-1362587

RESUMEN

Spinal anesthesia is a technique commonly used for local anesthesia and in obstetric surgeries. Rarely, the formation of an intracranial subdural hematoma (SDH) may result from spinal anesthesia, constituting a serious condition that often leads to severe neurological deficits. The presentation and course of this pathology may occur in a completely different way, which makes its diagnosis and management difficult. In the present article, the authors report two cases of patients with intracranial SDH after spinal anesthesia with completely different presentations and outcomes, demonstrating the variability of the manifestations of this condition. A quick review of key points of its pathophysiology, symptomatology, diagnosis, and treatment was also performed.


Asunto(s)
Humanos , Femenino , Adulto , Hematoma Intracraneal Subdural/cirugía , Hematoma Intracraneal Subdural/fisiopatología , Hematoma Intracraneal Subdural/tratamiento farmacológico , Hematoma Intracraneal Subdural/diagnóstico por imagen , Anestesia Raquidea/efectos adversos , Anestesia Raquidea/métodos
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