<tumour> Obsolete term for psammomatous meningioma or meningioma. ... Origin: psammo-+ G. -oma, tumour ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
sand tumornoun a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles Found on https://www.encyclo.co.uk/local/20974