αγγείο-/angeio-(=vessel, receptacle), combining forms that are used as prefix meaning a vessel > άγγος/aggos(=tube)
+ωμα/-oma(=suffix meaning condition eg disease condition )
In 1928 by American neurosurgeon Harvey Cushing and his colleague Percival Bailey (Tumors Arising from the Blood Vessels of the Brain: Angiomatous Malformations and Hemangioblastomas.Arch Ophthal. 1929;1(4):544-545).
Angioblastoma isa benign tumor of the blood vessels in the brain characterized histologically by tufts of capillary-sized vessels in the dermis.