Intracranial dissemination of pituitary adenomas is a rare event that does not equate malignancy. Most of the cases have been reported as metastases from pituitary carcinoma. A case of papillary pituitary carcinoma developed 12 years after radiotherapy for prolactin-secreting hormone pituitary adenoma is presented.
Department of Neuropathology, National Institute of Neurology and Neurosurgery, Manuel Velasco Suárez, Delegación Tlalpan CP 14269, Mexico City, Mexico.
