Noun: sand tumor
Usage: US (elsewhere: sand tumour)
Usage: US (elsewhere: sand tumour)
- A tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles
"sand tumor bodies were observed in the meningioma biopsy";
- psammoma, sand tumour [Brit, Cdn]
Derived forms: sand tumors