Skip to Content
Medical Term:


Pronunciation: ob-lit'er-a'shun


Blotting out, especially by filling of a natural space or lumen by fibrosis or inflammation. In radiology, disappearance of the contour of an organ when the adjacent tissue has the same x-ray absorption.

See: silhouette sign of Felson

[L. oblittero, to blot out]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.