Blister of Bone Sign

A term referring to a bubbly cystic lesion with a saccular protrusion of the cortex and multiple fine internal septa. The shell of the lesion may fracture resulting in extravasation of blood into the adjacent tissues, an imaging sign which is highly characteristic of aneurysmal bone cyst
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.