<oncology, tumour> A haemangioma, or type of tumour composed of blood vessel or angioblast cells, which occurs in the brain. ... (09 Oct 1997) ... Found on http://www.encyclo.co.uk/local/20973
A rare, slow growing type of brain tumour. Develops from blood vessel cells in the brain. Is almost always benign. Found on https://www.encyclo.co.uk/local/20753