Monarch Disease Ontology id MONDO_0003223 (meninges hemangiopericytoma) is a solitary fibrous tumor/hemangiopericytoma that arises from the meninges. Also known as: hemangiopericytoma of meninges, hemangiopericytoma of the meninges, meningeal cluster hemangiopericytoma, meningeal cluster spindle cell tumor, meningeal cluster spindle cell tumour, meningeal hemangiopericytoma, meningeal solitary fibrous tumor/hemangiopericytoma.