inverted V sign

inverted V sign

Imaging A radiologic appearance caused by lateral umbilical ligaments made prominent by gas percolated on either side of the ligaments, characteristic in a plain supine film of pneumoperitoneum, when the Pts are too sick for erect studies. See also Double wall sign.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.