Rupture of the tendon of flexor pollicis longus is suspected when active flexion of the interphalangeal joint of the thumb is not possible. This can be a result of trauma but, when spontaneous, diagnostic confusion can exist as incomplete palsy of the anterior interosseous nerve can present in a similar way. We describe a simple clinical sign which can differentiate between these conditions.
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| http://dx.doi.org/10.1016/j.jhsb.2005.06.005 | DOI Listing |
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