Elbow Fat Pads with New Signs and Extended Differential Diagnosis

Abstract
Although fat pad signs are classically associated with fracture, there are many nontraumatic disease processes which lead to positive fat pad sign [on radiograms]. Any intraarticular fluid or tissue accumulation may result in an abnormal posterior fat pad. A paradoxical positive posterior fat pad sign may occur in some instances of extraarticular disease. An extended differential diagnosis is presented.

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