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Nerve Disease at the Elbow

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PIN<br />

LEASH of HENRY<br />

! arterial branches arising from <strong>the</strong> recurrent radial artery<br />

! <strong>the</strong>y cross over <strong>the</strong> PIN just proximal to <strong>the</strong> arcade of Frohse<br />

! prominent vessels (hypertrophied leash ≥6 vessels) may cause PIN<br />

compression Husarik et al. Radiology 2009<br />

ARCADE of FROHSE<br />

PIN<br />

Supin<strong>at</strong>or<br />

Leash of Henry<br />

PIN<br />

PI Neurop<strong>at</strong>hy – zone #1<br />

PIN<br />

! PIN constriction <strong>at</strong> <strong>the</strong> arcade of Frohse<br />

Leash of Henry<br />

PIN<br />

PIN<br />

Supin<strong>at</strong>or<br />

Supin<strong>at</strong>or<br />

Supin<strong>at</strong>or<br />

Anterior Ganglia<br />

Arcade of Frohse<br />

22 nd Annual Conference on Musculoskeletal Ultrasound<br />

MUSCULOSKELETAL ULTRASOUND SOCIETY<br />

Leuven - September 19-22, 2012

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