Dog ear sign (abdomen)
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The dog ear sign represents the presence of fluid or blood in the pelvic peritoneal recess inon a supine abdominal radiograph. The appearance of the sign comes from a convex soft-tissue density representing fluid or blood in the lateral pelvic peritoneal recess separated from the bladder by a thin hyperlucent strip of extraperitoneal fat which is reminiscent of dog ears.
-<p>The<strong> dog ear sign</strong> represents the presence of fluid or blood in the pelvic peritoneal recess in a supine abdominal radiograph. The appearance of the sign comes from a convex soft-tissue density representing fluid or blood in the lateral pelvic peritoneal recess separated from the bladder by a thin hyperlucent strip of extraperitoneal fat which is reminiscent of dog ears.</p>- +<p>The<strong> dog ear sign</strong> represents the presence of fluid or blood in the pelvic peritoneal recess on a <a title="Supine abdominal radiograph" href="/articles/abdomen-ap-supine-view-1">supine abdominal radiograph</a>. The appearance of the sign comes from a convex soft-tissue density representing fluid or blood in the lateral pelvic peritoneal recess separated from the bladder by a thin hyperlucent strip of extraperitoneal fat which is reminiscent of dog ears.</p>
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