RESUMO
Tumors of the Meckel cave are very rare lesions, especially if they are malignant. We report the case of a patient who presented with a breast metastasis in the Meckel cave and a clinical presentation similar to that of a fifth nerve schwannoma.
Os tumores do cavo de Meckel são lesões muito raras, especialmente se forem malignos. Relatamos o caso de uma paciente que apresentou metástase mamária no cavo de Meckel e quadro clínico semelhante a schwannoma do quinto nervo.
RESUMO
Background Stroke is a clinical syndrome characterized by a sudden-onset neurological deficit of vascular cause. Stroke-like clinical symptoms that are later found to have nonvascular disorders have been termed stroke mimics (MIM), and their incidence ranges from 1.3 to 25% in patients not treated with thrombolytic therapy. Eventually, intravenous thrombolysis of MIM may occur. Case Description We describe a 74-year-old woman with abrupt global aphasia who received thrombolytic therapy after the presumed diagnosis of acute ischemic stroke. She gradually improved despite the finding of an asymptomatic left temporal hematoma on the computed tomography (CT) scan. Two months later, she presented with a new focal neurological deficit and was diagnosed with a glioblastoma in the topography of the previous bleeding. Conclusion This case highlights the rare occurrence of hemorrhage after thrombolysis in patients with MIM.
Introdução O acidente vascular encefálico (AVC) é uma síndrome clínica caracterizada por déficit neurológico de início súbito. Casos nos quais a sintomatologia é semelhante aos AVCs e que, posteriormente, são identificados como distúrbios não vasculares, foram denominados de stroke mimics, cuja incidência varia entre 1,3 e 25% em pacientes diagnosticados com AVC. Eventualmente, pode ocorrer trombólise intravenosa de stroke mimics. Descrição do caso Descrevemos o caso de uma mulher de 74 anos com afasia global abrupta que recebeu terapia trombolítica após o diagnóstico presumido de AVC isquêmico. A paciente apresentou melhora gradual dos sintomas apesar do achado na tomografia computadorizada (TC) de crânio de um hematoma temporal esquerdo assintomático. Dois meses depois, a paciente apresentou novo déficit neurológico focal e foi diagnosticada com glioblastoma na topografia do sangramento anterior. Conclusão Este caso destaca a rara ocorrência de hemorragia após trombólise em paciente portador de glioblastoma e com diagnóstico inicial de AVC isquêmico.
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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.
Assuntos
Humanos , Masculino , Adulto , Terceiro Ventrículo/cirurgia , Terceiro Ventrículo/patologia , Neoplasias Meníngeas/cirurgia , Meningioma/cirurgia , Neoplasias Meníngeas/patologia , Neoplasias Meníngeas/diagnóstico por imagem , Meningioma/patologia , Meningioma/diagnóstico por imagemRESUMO
BACKGROUND: The association between remote cerebellar hematoma (RCH) and spinal surgery is poorly understood and rarely reported. We present seven cases of RCH after spinal surgery. METHODS: Seven patients were diagnosed with RCH utilizing computed tomography and/or magnetic resonance, between 2012 and 2016. Their clinical presentations, imaging data, treatment modalities, and outcome were analyzed. There were five females and two males with an average age of 55.8 ± 8.4 years. The age of onset ranged from 43 to 67 years and the time to clinical presentation ranged from 3 h to 5 days. Patients presented with: diplopia/strabismus (one patient), dysphagia/urinary incontinence (one patient), respiratory arrest (one patient), meningismus (one patient), and dysarthria (two patients), along with other symptoms/signs. RESULTS: Three patients were successfully managed without surgery, two required external ventricular drainage, and two were treated with posterior fossa decompression plus ventriculostomy. Four patients recovered completely, two showed mild residual deficits at discharge, while one expired 7 days postoperatively. CONCLUSION: RCH is an uncommon and underdiagnosed complication of spine surgery. It should be suspected when intracranial symptoms occur after spinal procedures.
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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.