Results: 52

Lesiones oncológicas intracraneales de apariencia quística

Rev. argent. radiol; 85 (1), 2021
Resumen La presencia de lesiones quísticas de etiología oncológica en el encéfalo es cada vez más frecuente. El rol del especialista en imágenes es describir sus características, morfología y comportamiento con el contraste endovenoso, para llegar a realizar un diagnóstico presuntivo y enumerar ...

Hemorragia encefálica por angiopatía amiloidea

Rev. méd. Chile; 149 (1), 2021
Amyloid angiopathy (AA) is a selective deposition of amyloid in the walls of the brain vessels. It is a form of sporadic and localized amyloidosis, constituted by the Aβ4 protein, the same of Alzheimer's disease senile plaques. The most consistent clinical effect of AA is spontaneous brain hemorrhag...

Stereotactic biopsy for lesions in brainstem and deep brain: a single-center experience of 72 cases

Braz. j. med. biol. res; 54 (8), 2021
Stereotactic biopsies for lesions in the brainstem and deep brain are rare. This study aimed to summarize our 6-year experience in the accurate diagnosis of lesions in the brain stem and deep brain and to discuss the technical note and strategies. From December 2011 to January 2018, 72 cases of intracran...

Neurobiology of bipolar disorders: a review of genetic components, signaling pathways, biochemical changes, and neuroimaging findings

Bipolar disorder (BD) is a chronic mental illness characterized by changes in mood that alternate between mania and hypomania or between depression and mixed states, often associated with functional impairment. Although effective pharmacological and non-pharmacological treatments are available, several p...

Facial palsy as a neurological complication of SARS-CoV-2

Arq. neuropsiquiatr; 78 (10), 2020

Possible acute multifocal demyelinating lesions in a COVID-19 patient

Arq. neuropsiquiatr; 78 (10), 2020

Neospora caninum DNA distribution in tissues of gerbils as experimental models of chronic neosporosis

Neospora caninum is the main etiologic agent of neosporosis in domestic animals and its pathogenesis comprises two characteristic phases: acute and chronic. Rodents are used as experimental models to mimic acute and chronic bovine neosporosis. In this study, we inoculated a total of 27 female gerbils, wi...

Hiperactividad simpática paroxística: una entidad subdiagnosticada: caso clínico

Rev. méd. Chile; 148 (7), 2020
Paroxysmal sympathetic hyperactivity may appear after brain injury. Its clinical manifestations are sporadic and self-limited crisis of arterial hypertension, hyperthermia, tachycardia, hyperhidrosis, muscle tension, sialorrhea and mydriasis. These subside with the administration of morphine and beta-blo...

Acute ischemic stroke in a patient with COVID-19

Arq. neuropsiquiatr; 78 (7), 2020