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 ...

Medical imaging scans that create detailed images of the body’s internal structures are widely used in medicine. Doctors need them to detect and manage certain types of cancer, assess the extent of ...

A CT scan (also called a CAT scan) is a series of cross-sectional X-ray images of the body. Learn why a CT scan is performed and what to expect during one.

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.

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 ...

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 ...

Finally, in the CT-first arm, there were 25 (30%) positive and 59 (70%) negative scans. MRI performed in the CT-negative patients detected two (3%) additional cases of confirmed axSpA.

The woman's first CT scan was ordered after she had a consultation with the respirologist in November 2023. At that time, the paperwork for the scan indicated that it was for lung cancer screening ...

Your scan may reveal a nodule on your lungs, but that doesn’t mean that you have cancer. Nodules are found in up to half of adults who have a chest X-ray or CT scan of the lungs. [3] But, less ...

A Connecticut attorney who shot and killed a man outside of his law firm in Litchfield in 2021 after the man allegedly attacked him has been sentenced to 2 ½ years in prison. Robert Fisher, Jr ...

In addition, memory recall was similarly poor for those who used LLM, as 83.3% of ChatGPT users couldn’t quote from essays they wrote minutes earlier. “Quoting accuracy was significantly ...