title: Metastases of malignant neoplasms to intracranial tumours: the "tumour-in-a-tumour" phenomenon.
abstract: This is a report of two observations of the metastatic spread of carcinomas to meningiomas. A survey of the relevant literature is given.
mesh_terms: D001932:Brain Neoplasms / Q000473:pathology / Q000556:secondary*; D002277:Carcinoma / Q000473:pathology; D006801:Humans; D008297:Male; D008577:Meningeal Neoplasms / Q000473:pathology*; D008579:Meningioma / Q000473:pathology*; D008875:Middle Aged; D009362:Neoplasm Metastasis