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 ...
A 61-year-old man with a decade-long history of a pulsatile bruit in his right ear presented to our institution for workup by ambulance after a seizure. He had received treatment previously for ...