Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
iceberg signThoraco-abdominal sign Imaging A sharply-demarcated radiopacity seen in plain films of the chest or abdomen that may be either sub- or supradiaphragmatic, corresponding to a paravertebral TB abscess, aneurysm, esophagogastric lesion or the azygous continuation of the inferior vena cava.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.