Posterior fat pad sign (elbow)
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The posterior fat pad sign is the visualisation of a lucent crescent of fat located in the olecranon fossa on a true lateral view of an elbow joint with the elbow flexed at a right angle indicating an elbow joint effusion. Normally, the posterior fat pad will not be seen in this view.
In the setting of trauma, it suggests an occult non-displaced fracture. In children, a supracondylar fracture should be suspected. In adults, look for a radial head fracture.
See also
-<p>The <strong>posterior fat pad sign</strong> is the visualisation of a lucent crescent of fat located in the olecranon fossa on a true lateral view of an elbow joint with the elbow flexed at a right angle indicating an <a href="/articles/elbow-joint-effusion">elbow joint effusion</a>. Normally, the <a title="Elbow" href="/articles/elbow">posterior fat pad</a> will not be seen in this view. </p><p>In the setting of trauma, it suggests an occult non-displaced fracture. In children, a <a href="/articles/supracondylar-humeral-fracture-2">supracondylar fracture</a> should be suspected. In adults, look for a <a href="/articles/radial-head-fractures">radial head fracture</a>. </p><h4>See also</h4><ul><li><a title="Sail sign (elbow)" href="/articles/sail-sign-elbow-1">sail sign (anterior fat pad sign)</a></li></ul>- +<p>The <strong>posterior fat pad sign</strong> is the visualisation of a lucent crescent of fat located in the olecranon fossa on a true lateral view of an elbow joint with the elbow flexed at a right angle indicating an <a href="/articles/elbow-joint-effusion">elbow joint effusion</a>. Normally, the <a href="/articles/elbow">posterior fat pad</a> will not be seen in this view. </p><p>In the setting of trauma, it suggests an occult non-displaced fracture. In children, a <a href="/articles/supracondylar-humeral-fracture-2">supracondylar fracture</a> should be suspected. In adults, look for a <a href="/articles/radial-head-fractures">radial head fracture</a>. </p><h4>See also</h4><ul><li><a href="/articles/sail-sign-elbow-1">sail sign (anterior fat pad sign)</a></li></ul>
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Image 8 X-ray (Lateral (zoom)) ( create )
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