RESUMEN: La población femenina de adultos mayores suele presentar daños de los discos o meniscos articulares de la rodilla (DAR) generalmente derivados de procesos degenerativos de cartílago ocurridos en osteoartritis. Conocer patrones morfológicos estándares de los DAR en una población demográfic...
ABSTRACT Rheumatoid meningitis (RM) is a rare complication of rheumatoid arthritis (RA). RM mimics many other conditions such as subdural empyema, unsteady gait, focal brain dysfunction, stroke, relapsing-remitting motor signs, headache, neuropsychiatric disorders, seizures, parkinsonism, and meningeal t...
Objective: To investigate whether poor antidepressant tolerability is associated with functional brain changes in children and adolescents of parents with bipolar I disorder (at-risk youth). Methods: Seventy-three at-risk youth (ages 9-20 years old) who participated in a prospective study and had an ava...
Abstract Objective To evaluate the feasibility of magnetic resonance imaging (MRI) to obtain the critical shoulder angle (CSA) comparing the results obtained through radiography and MRI, and assess the learning curves. Methods In total, 15 patients were evaluated in a blinded and randomized way. The CS...
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...
Monomelic amyotrophy, also known as Hirayama disease, is a rare lower motor neuron syndrome due to localized lower motor neuron loss in the spinal cord at the cervical level. Clinically, monomelic amyotrophy is defined by the insidious onset of unilateral atrophy and weakness involving the hand and forea...
The increasing attention that is given to the protection of health professionals and patients has stimulated researchers and organizations to create alternatives to improve safety practices in health services, including in the Magnetic Resonance Imaging (MRI) environment. However, this theme still needs ...
Os métodos de imagem são de fundamental importância para o manejo de pacientes com
câncer de mama, especialmente no diagnóstico precoce de lesões mamárias não-palpáveis. Os principais exames de imagem utilizados neste contexto são a mamografia (MMG), ultrassonografia (US) e ressonância magnét...
Os cistos perineurais (Tarlov) referem-se a uma dilatação cística entre o perineuro e o endoneuro
das raízes nervosas dorsais, preenchidos com líquido cefalorraquidiano. Foram inicialmente descritos em
1938. Eles são mais frequentemente encontrados na coluna sacral, especialmente nas raízes nervos...
Analise de textura (AT) é um método de processamento de imagens utilizado para potencializar a capacidade de diagnóstico. Desta forma este estudo teve por objetivo caracterizar os parâmetros de AT da medular do côndilo e músculo pterigóideo lateral (ventre superior) em imagens de Ressonância Magn...