Arachnoid granulation was hyperintense on T2WI, and CWs were isointense. Each case was carefully evaluated to determine the numbers and location. Exclusion criteria included the following: (1) ...

Results Arachnoid granulations and septations were found in all specimens. The majority of arachnoid granulations (50%, n=12) were located in the mid and proximal segments of the transverse sinus ...

Figure 1: Computed tomography of the head of a 72-year-old woman with adult onset epilepsy. Coronal (A) and axial (B) views showing a large arachnoid cyst in the right hemisphere, with typical ...

Hydrocephalus, a disorder of excess cerebrospinal fluid, affects roughly 1 in 500 live births per year. Communicating, or extra-ventricular hydrocephalus, is a subset of the disorder that is, in part, ...

Arachnoid cysts are the most common type of brain cyst. They're not tumors, but cysts filled with cerebrospinal fluid (a clear liquid that surrounds your brain and spinal cord). Most people who ...

Arachnoid granulations may increase in size with age, and intermediate and large granulations (3.0 to 9.5 mm in diameter) may herniate through dural defects and erode bone (aberrant granulations ...

Ifound the report by Jana Thoennissen and colleagues on bed rest after cervical or lumbar puncture to be a very searching study. 1 If a patient experiences headaches post-puncture while in an upright ...