vacuum phenomenon(redirected from Cleft Sign)
DiffDx Vertebral osteomyelitis, Schmorl’s nodes, spondylosis deformans, necrotic vertebral collapse
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
vacuum phenomenonImaging A linear or oval radiolucency that corresponds to gas in the intervertebral space, most often seen in degenerative disk disease DiffDx Vertebral osteomyelitis, Schmorl's nodes, spondylosis deformans, necrotic vertebral collapse, often with loss of height and reactive osteosclerosis.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
In radiographic studies, the appearance of gas within a joint space or bone, e.g., in a degenerated intravertebral disk.
Medical Dictionary, © 2009 Farlex and Partners