Abstract

Intersection syndrome is a rare local inflammatory disorder of the dorsal distal forearm at the cross point between the first compartment and the second compartment. The most common pathological change is the tenosynovitis of the second compartment at the intersection. It is usually related to acute or chronic overuse of the upper extremities, which may cause constant friction between the two compartments leading to synovial sheath injury and followed by inflammation. This case of intersection syndrome is induced by physical blunt injury. One feature of this case is that the inflammatory condition involves not only the second compartment, but also the first compartment. Another feature is that the tenosynovitis of the second compartment extends down to the wrist. Based on this case and literature review, another mechanism for the syndrome is proposed.

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