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BRAIN METASTASES
10% of intracranialmass lesions are metastasis, 10-38% of patients with systemic cancer have brain metastasis:
adults: lung, breast, GU tract, colon/rectum, melanoma, sinuses.
children: neuroblastoma, embryonal rhabdomyosarcoma, Wilms tumour.
Location: most in mediumcerebralarterydistribution at the cortex, 20% in posterior fossa.
See also: haemorrhagic metastasis.