Elbow Epicondylitis
KEY FACTS
Terminology
Imaging
IMAGING
General Features
Ultrasonographic Findings
Thickened, hypoechogenic tendon with surface bowing and disruption of normal fibrillar pattern
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Elbow Epicondylitis
(lateral epicondylitis or tennis elbow) with a small tear (avulsion) 
at the insertion into the lateral epicondyle. The radial collateral ligament 
is normal.
of the common extensor origin from the lateral epicondyle. Only the superficial fibers remain intact. The radial head 
is normal.
of the common extensor tendon insertion. There is a small, deep-seated intrasubstance tear 
. Early dystrophic tendon calcification 
is present. It is important to grade tendinosis severity as minimal, mild, moderate, or severe as this relates to the likelihood of tear.
indicative of active disease. The small tear 
is also shown.
