Clinical presentation of intracranial metastases.

Intracranial metastases are the single most costly neurologic ailment. This article provides the clinician with detailed statements of the patterns of their appearance and tumors of origin. Most common causative cancers are of lung, breast, or melanoma origin. Aggressive therapies carry with them the risk of nervous system dissemination of rare tumors, remote complications of these cancers and the morbidity of therapy.