Chiari malformation, an anomaly of the posterior cranial fossa, also known as Arnold–Chiari malformation, was described in autopsies by Hans Chiari, an Austrian pathologist, in 1891. He defined four ...

Cerebellar Mutism Syndrome (CMS) is a complex neurobehavioural disorder primarily affecting children following surgical resection of posterior fossa tumours. Characterised by transient loss or severe ...

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

NEW ORLEANS — In children with posterior fossa syndrome (PFS), arterial spin-labeling (ASL) perfusion imaging shows that decreased frontal lobe blood flow is a strong physiologic correlate of disease ...

Retrosigmoid craniotomy is a surgical approach that can treat brain tumors, lesions, and other health conditions that affect the posterior fossa, an area at the back of the skull. Approaches like this ...

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 ...