Colloid Cyst in Pituitary Gland: A Case Report

Colloid cyst is a congenital lesion which is thought to be derived from the primitive neuroepithelium, and is most frequently located in the anterior half of the third ventricle. Colloid cysts rarely occur in the pituitary gland, and we describe a case of pituitary colloid cyst, including the CT, MRI and pathologic findings.

Neurilemmoma at Rare Sites: Two Cases Report

Although approximately 13% of neurilemmomas occur in the extracranial head and neck region, those originating in the trachea or at the base of the tongue are rare. We report the CT and MR imaging findings of two cases of neurilemmoma, one arising in the trachea and the other at the base of the tongue.