Magnetic resonance imaging of the brain creates cross-sectional views (slices) of both healthy and unhealthy tissue using powerful magnet and radio signals. Inform your physician if you have a pacemaker or other metal implant.
As tomografias computadorizadas usam equipamentos de raios-X e processamento computadorizado para produzir imagens 2 dimensionais do corpo. O paciente se deita em uma mesa e passa por uma máquina que parece um donut grande e quadrado.
In a lumbar puncture, a physician uses a thin, hollow needle to remove a sample of cerebrospinal fluid (the fluid that washes the brain and spinal cord) from between the bones and the lower part of the spine.