Arachnoid Cyst of the Posterior Cranial Fossa: (Left) T1-weighted axial MRI; (Right) T2-weighted axial MRI. Note the large cystic lesion in the posterior fossa. As the cyst contains fluid, it is dark ...

Arachnoid cysts are common congenital malformations. They contain fluid but generally do not communicate with the ventricular system. The most common locations are the Sylvian fissure and middle ...

Chiari malformation, an anomaly of the posterior cranial fossa ... a brain tumor, or an arachnoid cyst, with a tumor or cyst particularly implicated when it is large. 9,13,17,25,26 Symptoms ...

CLEVELAND, OH (WOIO) -It has been reported in the past that Ohio State University’s Head Football Coach Urban Meyer suffers from an arachnoid cyst in his brain and it is ultimately what has lead ...