Arachnoid cysts occur in one of the three layers of tissue that surround the brain and spinal cord. Most arachnoid cysts are stable and do not require treatment. They are four times more common in ...

Figure 2 A: Non-contrast-enhanced CT scan of the head showing a large CSF-density lesion measuring approximately 9 cm × 5 cm, together with expansion, thinning, and marked scalloping of the occipital ...

Arachnoid cysts are benign cerebrospinal fluid‐filled sacs that typically reside within the arachnoid membrane. Although most of these cysts remain asymptomatic, complications can arise when ...

Arachnoid cysts are benign, cerebrospinal fluid-filled sacs that typically arise from developmental anomalies in the arachnoid membrane. Although often discovered incidentally, these lesions can ...

CT angiography sensitivity ranged from 75.5–87.3%, while specificity held near 90% across scales. Sensitivity refers to how well a test finds its target, in this case, brain death.

Qualitative brainstem CT perfusion showed 98.5% sensitivity yet only 74.4% specificity. Qualitative whole-brain CT perfusion achieved 93.6% sensitivity and 92.3% specificity.

Federal authorities alleged that Squillante worked from home when he was employed as the head of equity trading at Irving Investors, an investment company headquartered in Denver, Colorado.

A case of thoracic intradural extramedullary arachnoid cyst is presented in which an intramedullary low grade glioma was suspected preoperatively. The cyst was widely fenestrated and postoperatively, ...

It can take a long time to get an appointment for a brain scan, so the specialist may give you a temporary diagnosis while you wait. Your scan may not show any unusual changes in your brain. This ...

Magnetic resonance imaging (MRI) scans produce detailed images of the organs and tissues in the body. Learn more about its uses here.