Pinealomas and Tumors of the Posterior Portion of the Third Ventricle

T HIS is a review of 45 patients with tumors in the region of the pineal body and posterior third ventricle treated in the Department of Neurosurgery of the Lahey Clinic Foundation from 1934 to 1965. The pinealomas referred to in this report cannot be considered separately from other tumors of the posterior portion of the third ventricle for most of the diagnoses were unverified and based mainly upon clinical and radiologic findings. Tumors of the surrounding regions are not considered.