Intersection syndrome refers to peritendinosis of the second extensor compartment (extensor carpi radialis brevis and longus) tendons due to the crossing tendons of the first extensor compartment (abductor pollicis longus and extensor pollicis brevis) tendons. The intersection occurs 4-8 cm proximal to Lister's tubercle.
MRI shows abnormal signal in the tendons beginning at the location of the intersection.
Sunday, October 11, 2009
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