Definition: Solitary lesions of bone that typically cause a bulging of the overlying cortex bearing some resemblance to the saccular protrusion of the aortic wall in aortic aneurysm, hence the name. (Dorland, 27th ed)
non-neoplastic; nothing to do with "aneurysm": see MeSH definition; /blood supply /chem /secret /ultrastruct permitted; coord IM with precord organ/diseases term (IM) (but not BONE DISEASES)
Other names Cysts, Aneurysmal Bone; Cyst, Aneurysmal Bone; Bone Cyst, Aneurysmal; Aneurysmal Bone Cysts; Aneurysmal Bone Cyst